/* Zarpa brand palette — mirrors Zarpa.Client/Resources/Styles/Colors.xaml. */
:root {
    --primary: #0B3D5C;
    --accent: #2AA5A0;
    --off-black: #1f1f1f;
    --gray-400: #919191;
    --gray-600: #404040;
    --page-bg: #F2F4F8;
    --card-border: #D8DEE6;
}

* {
    box-sizing: border-box;
    /* The mobile browsers' tap flash is a sharp-cornered rectangle that ignores
       border-radius — replaced by our own :active feedback below. */
    -webkit-tap-highlight-color: transparent;
}

button:active,
a:active {
    filter: brightness(0.95);
}

/* FocusOnNavigate (App.razor) focuses the page's h1 for screen readers;
   that focus is programmatic, so no visible ring. */
h1:focus {
    outline: none;
}

html, body {
    margin: 0;
    min-height: 100vh;
    background: var(--page-bg);
    color: var(--off-black);
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
}

h1 {
    font-size: 1.5rem;
    margin: 0 0 0.25rem 0;
}

.tagline {
    color: var(--gray-600);
    margin: 0 0 1.25rem 0;
}

.page-loading {
    color: var(--gray-600);
}

.error {
    color: #D64545;
    margin: 0.75rem 0 0 0;
}

/* Layout */
.topbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--primary);
    color: white;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.18);
}

.topbar-inner {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0.7rem 1.25rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: white;
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-decoration: none;
}

.topbar-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    flex: 1;
}

    .topbar-nav a {
        color: rgba(255, 255, 255, 0.75);
        text-decoration: none;
        padding: 0.4rem 0.75rem;
        border-radius: 8px;
        font-size: 0.95rem;
        transition: background 0.15s ease, color 0.15s ease;
    }

        .topbar-nav a:hover {
            color: white;
            background: rgba(255, 255, 255, 0.08);
        }

        .topbar-nav a.active {
            color: white;
            background: rgba(255, 255, 255, 0.16);
            font-weight: 600;
        }

.topbar-user {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    margin-left: auto;
    flex-shrink: 0;
}

.menu-toggle {
    display: none;
    margin-left: auto;
    background: transparent;
    color: white;
    border: none;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    padding: 0.2rem 0.4rem;
}

.nav-user-mobile {
    display: none;
}

/* Mobile: nav collapses behind the hamburger; user block moves into the dropdown. */
@media (max-width: 860px) {
    .menu-toggle {
        display: block;
    }

    .topbar-user {
        display: none;
    }

    .topbar-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0.15rem;
        background: var(--primary);
        padding: 0.5rem 1.25rem 1rem;
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.25);
    }

        .topbar-nav.open {
            display: flex;
        }

        .topbar-nav a {
            padding: 0.7rem 0.75rem;
        }

    .nav-user-mobile {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 0.9rem;
        border-top: 1px solid rgba(255, 255, 255, 0.2);
        margin-top: 0.5rem;
        padding-top: 0.8rem;
    }
}

.user-name {
    font-size: 0.9rem;
}

.content {
    max-width: 560px;
    margin: 0 auto;
    padding: 1.5rem 1rem;
}

/* Buttons */
.btn-primary {
    display: inline-block;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 10px;
    padding: 0.7rem 1.2rem;
    font-size: 1rem;
    cursor: pointer;
}

    .btn-primary:disabled {
        opacity: 0.6;
        cursor: default;
    }

.btn-link {
    text-decoration: none;
}

.btn-outline {
    background: transparent;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 8px;
    padding: 0.35rem 0.8rem;
    font-size: 0.85rem;
    cursor: pointer;
}

/* Sign-in card */
.auth-wrap {
    display: flex;
    justify-content: center;
    padding-top: 8vh;
}

.auth-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 10px rgba(16, 42, 67, 0.08);
    padding: 2rem 1.75rem;
    width: 100%;
    max-width: 400px;
    display: flex;
    flex-direction: column;
}

    .auth-card .auth-logo {
        align-self: center;
        margin-bottom: 0.75rem;
    }

    .auth-card label {
        font-size: 0.85rem;
        font-weight: 600;
        color: var(--gray-600);
        margin: 0.9rem 0 0.3rem 0;
    }

    .auth-card input {
        border: 1.5px solid var(--card-border);
        border-radius: 10px;
        padding: 0.65rem 0.85rem;
        font-size: 1rem;
        outline: none;
    }

        .auth-card input:focus {
            border-color: var(--accent);
        }

    .auth-card .btn-primary {
        margin-top: 1.4rem;
    }

    .auth-card .field-error {
        color: #D64545;
        font-size: 0.82rem;
        margin: 0.3rem 0 0 0;
    }

.terms-row {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--gray-600);
    cursor: pointer;
}

    .terms-row input {
        width: 1.05rem;
        height: 1.05rem;
        accent-color: var(--accent);
        flex-shrink: 0;
    }

    .terms-row a {
        color: var(--primary);
        font-weight: 600;
    }

/* Links to the static legal pages, under every page. */
.site-footer {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.3rem 1.2rem;
    padding: 1.5rem 16px 2rem;
    font-size: 0.85rem;
}

    .site-footer a {
        color: var(--gray-600);
    }

.auth-footer {
    text-align: center;
    font-size: 0.9rem;
    color: var(--gray-600);
    margin: 1.3rem 0 0 0;
}

    .auth-footer a {
        color: var(--primary);
        font-weight: 600;
    }

.code-input {
    letter-spacing: 0.5em;
    text-align: center;
    font-size: 1.3rem;
}

/* Social sign-in */
.divider {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--gray-400);
    font-size: 0.85rem;
    margin: 1.4rem 0 1rem 0;
}

    .divider::before,
    .divider::after {
        content: "";
        flex: 1;
        border-top: 1px solid var(--card-border);
    }

.btn-social {
    background: white;
    color: var(--off-black);
    border: 1.5px solid var(--card-border);
    border-radius: 10px;
    padding: 0.6rem 1rem;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: 0.55rem;
}

    .btn-social:hover {
        border-color: var(--gray-400);
    }

/* Licenses (home) */
.license-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
}

.license-card {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    background: white;
    border: 1.5px solid var(--card-border);
    border-radius: 12px;
    padding: 0.9rem 1.1rem;
    width: 100%;
    text-align: left;
    font: inherit;
    cursor: pointer;
    transition: border-color 0.15s ease;
}

    .license-card:hover {
        border-color: var(--gray-400);
    }

    .license-card.selected {
        border-color: var(--accent);
        background: #EAF6F5;
    }

.license-check {
    margin-left: auto;
    background: var(--accent);
    color: white;
    border-radius: 50%;
    width: 1.5rem;
    height: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.license-code {
    background: var(--primary);
    color: white;
    font-weight: 700;
    font-size: 0.85rem;
    border-radius: 8px;
    padding: 0.35rem 0.6rem;
    min-width: 3.2rem;
    text-align: center;
}

.license-name {
    color: var(--off-black);
}

/* Inicio dashboard: two progress cards, wide layout like Perfil/Temas. */
.inicio-page {
    width: min(920px, calc(100vw - 2.5rem));
    position: relative;
    left: 50%;
    transform: translateX(-50%);
}

/* Landing for visitors without a session (Shared/Landing.razor on "/"). Breaks
   out of the 560px .content column like the dashboard. */
.landing {
    width: min(920px, calc(100vw - 2rem));
    position: relative;
    left: 50%;
    transform: translateX(-50%);
}

.landing-hero {
    text-align: center;
    padding: 1.5rem 0 1rem;
}

    .landing-hero h1 {
        font-size: clamp(1.6rem, 4vw, 2.3rem);
        line-height: 1.2;
        color: var(--primary);
        margin-bottom: 0.8rem;
    }

.landing-lead {
    max-width: 40rem;
    margin: 0 auto 1.5rem;
    font-size: 1.1rem;
    color: var(--gray-600);
}

.landing-actions {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.25rem;
}

.landing-secondary {
    color: var(--primary);
    font-weight: 600;
}

.landing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    margin: 2rem 0;
}

    .landing-grid p {
        margin: 0;
        color: var(--gray-600);
        line-height: 1.55;
    }

@media (max-width: 760px) {
    .landing-grid {
        grid-template-columns: 1fr;
    }
}

.landing-calendar {
    text-align: center;
}

    .landing-calendar h2 {
        font-size: 1.25rem;
        margin-bottom: 0.3rem;
    }

.landing-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.4rem 1rem;
    line-height: 1.8;
}

    .landing-links a {
        color: var(--primary);
    }

.topbar-guest {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-left: auto;
}

    .topbar-guest a:not(.btn-outline) {
        color: white;
        text-decoration: none;
        font-size: 0.9rem;
    }

.inicio-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.75rem;
    align-items: stretch;
    margin-top: 1rem;
}

@media (max-width: 760px) {
    .inicio-grid {
        grid-template-columns: 1fr;
    }
}

.inicio-card {
    display: flex;
    flex-direction: column;
}

.inicio-hero {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    margin-bottom: 0.8rem;
}

.inicio-hero-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--off-black);
}

.inicio-hero-de {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-400);
}

.inicio-hero-label {
    font-size: 0.85rem;
    color: var(--gray-400);
}

.inicio-legend {
    margin-top: 1rem;
}

.inicio-cta {
    margin-top: auto;
    padding-top: 1.1rem;
    text-align: center;
}

/* Two-column pages (Perfil, Temas): card left/right split, centered on the
   viewport because they need more room than the 560px content column. */
.perfil-grid,
.temas-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.75rem;
    align-items: start;
    width: min(920px, calc(100vw - 2.5rem));
    position: relative;
    left: 50%;
    transform: translateX(-50%);
    margin-top: 1rem;
}

/* Temas gets a wider canvas: the topic squares take the lion's share on the
   left, the progress panel stays a narrower right rail. */
.temas-grid {
    width: min(1100px, calc(100vw - 2.5rem));
    grid-template-columns: 2fr 1fr;
}

@media (max-width: 760px) {
    .perfil-grid,
    .temas-grid {
        grid-template-columns: 1fr;
    }
}

.retro-card {
    background: white;
    border: 1.5px solid var(--card-border);
    border-radius: 16px;
    box-shadow: 3px 3px 0 rgba(16, 42, 67, 0.08);
    padding: 1.3rem 1.4rem 1.5rem;
}

.retro-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--off-black);
    border-bottom: 1.5px dashed var(--card-border);
    padding-bottom: 0.6rem;
    margin: 0 0 1.2rem 0;
}

/* Account deletion block at the bottom of the Datos personales card. */
.danger-zone {
    margin-top: 1.6rem;
    border-top: 1.5px dashed var(--card-border);
    padding-top: 1rem;
}

.danger-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: #b3261e;
    margin: 0 0 0.8rem 0;
}

.danger-warning {
    font-size: 0.85rem;
    color: #5b5b5b;
    line-height: 1.5;
    margin: 0 0 0.9rem 0;
}

.danger-actions {
    display: flex;
    gap: 0.7rem;
}

.btn-danger-outline,
.btn-danger,
.btn-cancel {
    font: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    padding: 0.55rem 1rem;
    border-radius: 10px;
    cursor: pointer;
}

.btn-danger-outline {
    background: white;
    color: #b3261e;
    border: 1.5px solid #b3261e;
}

    .btn-danger-outline:hover {
        background: #fdf0ef;
    }

.btn-danger {
    background: #b3261e;
    color: white;
    border: 1.5px solid #b3261e;
}

    .btn-danger:hover:not(:disabled) {
        background: #8f1d17;
    }

.btn-cancel {
    background: white;
    color: var(--off-black);
    border: 1.5px solid var(--card-border);
}

.btn-danger:disabled,
.btn-cancel:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Square license cards (overrides the shared selector inside Perfil only) */
.perfil-grid .license-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.perfil-grid .license-card {
    position: relative;
    flex-direction: column;
    justify-content: center;
    text-align: center;
    gap: 0.55rem;
    aspect-ratio: 1;
    padding: 0.75rem;
    border-radius: 14px;
    transition: transform 0.12s ease, border-color 0.12s ease, box-shadow 0.12s ease;
}

    .perfil-grid .license-card:hover {
        transform: translate(-1px, -1px);
        box-shadow: 3px 3px 0 rgba(16, 42, 67, 0.1);
    }

    .perfil-grid .license-card.selected {
        box-shadow: 3px 3px 0 rgba(42, 165, 160, 0.35);
    }

    .perfil-grid .license-card .license-code {
        font-size: 1rem;
        min-width: auto;
        padding: 0.35rem 0.7rem;
    }

    .perfil-grid .license-card .license-name {
        font-size: 0.84rem;
        line-height: 1.25;
        color: var(--gray-600);
    }

    .perfil-grid .license-card .license-check {
        position: absolute;
        top: 0.55rem;
        right: 0.55rem;
        margin-left: 0;
    }

/* Perfil columns: titulación + comunidad on the left, datos personales + tu
   examen on the right. */
.perfil-left,
.perfil-right {
    display: grid;
    gap: 1.75rem;
}

/* Community flag: every file is 3:2, so a height alone sizes it. */
.comunidad-flag {
    height: 1.5rem;
    aspect-ratio: 3 / 2;
    object-fit: cover;
    border-radius: 3px;
    box-shadow: 0 0 0 1px rgba(16, 42, 67, 0.12);
    flex-shrink: 0;
    vertical-align: middle;
}

    /* Inline next to a name in running text (taglines, headers). */
    .comunidad-flag.inline {
        height: 1em;
        margin: 0 0.3em 0.15em 0.1em;
        border-radius: 2px;
    }

.comunidad-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr));
    gap: 0.6rem;
}

.comunidad-card {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: white;
    border: 1.5px solid var(--card-border);
    border-radius: 10px;
    padding: 0.6rem 0.8rem;
    width: 100%;
    text-align: left;
    font: inherit;
    color: var(--off-black);
    cursor: pointer;
    transition: border-color 0.15s ease;
}

    .comunidad-card:hover {
        border-color: var(--gray-400);
    }

    .comunidad-card.selected {
        border-color: var(--accent);
        background: #EAF6F5;
    }

    .comunidad-card .license-check {
        width: 1.3rem;
        height: 1.3rem;
        font-size: 0.75rem;
    }

.comunidad-name {
    font-size: 0.92rem;
    line-height: 1.25;
}

/* Perfil's left column is narrow — two cards per row at most. */
.perfil-grid .comunidad-grid {
    grid-template-columns: repeat(auto-fill, minmax(11rem, 1fr));
}

/* Personal data (right column) */
.retro-avatar {
    width: 4.2rem;
    height: 4.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: white;
    font-size: 1.8rem;
    font-weight: 700;
    border-radius: 50%;
    box-shadow: 3px 3px 0 rgba(42, 165, 160, 0.45);
    margin-bottom: 1.2rem;
}

.datos-list {
    margin: 0 0 1.2rem 0;
}

.datos-row {
    padding: 0.6rem 0;
    border-bottom: 1.5px dashed var(--card-border);
}

    .datos-row dt {
        font-size: 0.75rem;
        text-transform: uppercase;
        letter-spacing: 0.1em;
        color: var(--gray-400);
        margin-bottom: 0.15rem;
    }

    .datos-row dd {
        margin: 0;
        font-weight: 700;
        color: var(--off-black);
        overflow-wrap: anywhere;
    }

    /* Inline rename of the display name (Nombre -> Editar). */
    .datos-row dt {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 0.75rem;
    }

.datos-edit {
    font: inherit;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: none;
    letter-spacing: 0;
    color: var(--primary);
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
}

    .datos-edit:hover {
        text-decoration: underline;
    }

.datos-editor {
    margin-top: 0.35rem;
}

.datos-input {
    width: 100%;
    padding: 0.55rem 0.75rem;
    font: inherit;
    color: var(--off-black);
    background: white;
    border: 1.5px solid var(--card-border);
    border-radius: 10px;
    outline: none;
}

    .datos-input:focus {
        border-color: var(--accent);
    }

    .datos-input:disabled {
        opacity: 0.6;
    }

.datos-actions {
    display: flex;
    gap: 0.7rem;
    margin-top: 0.7rem;
}

    .datos-actions .btn-primary {
        font-size: 0.9rem;
        padding: 0.55rem 1rem;
    }

.retro-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.35rem 0.75rem;
    border-radius: 99px;
}

    .retro-tag.ok {
        background: #DFF3EC;
        color: #1E7A76;
    }

    .retro-tag.warn {
        background: #FCEFC7;
        color: #8A6D1A;
    }

/* Progress bars (topics + session) */
.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 0.75rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gray-600);
    margin-bottom: 0.4rem;
}

.progress-track {
    background: var(--card-border);
    border-radius: 99px;
    height: 8px;
    overflow: hidden;
}

.progress-fill {
    background: var(--accent);
    height: 100%;
    border-radius: 99px;
    transition: width 0.25s ease;
}

/* Topics — square cards (left) */
.topic-squares {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

@media (max-width: 900px) {
    .topic-squares {
        grid-template-columns: repeat(2, 1fr);
    }
}

.topic-square {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    aspect-ratio: 1;
    padding: 0.85rem;
    text-align: center;
    font: inherit;
    background: white;
    border: 1.5px solid var(--card-border);
    border-radius: 14px;
    cursor: pointer;
    transition: transform 0.12s ease, border-color 0.12s ease, box-shadow 0.12s ease;
}

    .topic-square:hover:not(:disabled) {
        border-color: var(--accent);
        background: #F4FBFA;
        transform: translate(-2px, -2px);
        box-shadow: 4px 4px 0 rgba(42, 165, 160, 0.25);
    }

    .topic-square:disabled {
        cursor: default;
        opacity: 0.6;
    }

.topic-num {
    background: var(--primary);
    color: white;
    font-weight: 700;
    font-size: 0.85rem;
    border-radius: 8px;
    padding: 0.25rem 0.55rem;
}

.topic-square-name {
    color: var(--off-black);
    font-size: 0.86rem;
    line-height: 1.25;
}

.topic-square-empty {
    color: var(--gray-400);
    font-size: 0.78rem;
}

.topic-square-count {
    color: var(--gray-400);
    font-size: 0.78rem;
}

.topic-square-footer {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    margin-top: 0.2rem;
}

    .topic-square-footer .progress-track {
        display: block;
        flex: 1;
    }

    .topic-square-footer .progress-fill {
        display: block;
    }

.topic-square-pct {
    color: var(--gray-600);
    font-size: 0.78rem;
    font-weight: 600;
    min-width: 2.2rem;
    text-align: right;
}

/* Progress panel (right): donut + legend + totals */
.temas-stats {
    position: sticky;
    top: 5rem;
}

.donut {
    position: relative;
    width: 180px;
    aspect-ratio: 1;
    border-radius: 50%;
    margin: 0.5rem auto 1.2rem;
}

    .donut::after {
        content: "";
        position: absolute;
        inset: 21%;
        background: white;
        border-radius: 50%;
    }

.donut-center {
    position: absolute;
    inset: 0;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.1rem;
}

.donut-pct {
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--off-black);
}

.donut-sub {
    font-size: 0.8rem;
    color: var(--gray-400);
}

.donut-legend {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.55rem;
}

    .donut-legend li {
        display: flex;
        align-items: center;
        gap: 0.6rem;
        font-size: 0.9rem;
        color: var(--gray-600);
    }

    .donut-legend strong {
        margin-left: auto;
        color: var(--off-black);
    }

.chip {
    width: 12px;
    height: 12px;
    border-radius: 4px;
    flex-shrink: 0;
}

.chip-ok {
    background: #2AA5A0;
}

.chip-ko {
    background: #D64545;
}

.chip-rest {
    background: #AEBACA;
}

.stats-summary {
    border-top: 1.5px dashed var(--card-border);
    margin: 1.1rem 0 0 0;
    padding-top: 0.9rem;
    font-size: 0.9rem;
    color: var(--gray-600);
}

    .stats-summary strong {
        color: var(--off-black);
    }

/* Practice session */
.back-link {
    display: inline-block;
    color: var(--gray-600);
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.session-progress {
    margin-top: 0.75rem;
}

.question-card {
    position: relative;
    background: white;
    border-radius: 16px;
    padding: 1.1rem 1.2rem;
    margin-top: 1rem;
    font-size: 1.05rem;
    font-weight: 700;
    box-shadow: 0 4px 10px rgba(16, 42, 67, 0.08);
}

/* TEMPORAL: id de la pregunta en la esquina, para localizar errores en la BD durante las pruebas. */
.debug-id {
    position: absolute;
    top: 3px;
    right: 8px;
    font-size: 0.6rem;
    font-weight: 400;
    color: #9aa5b1;
    user-select: all;
    line-height: 1;
}

.answer-list {
    display: grid;
    gap: 0.6rem;
    margin-top: 1rem;
}

.answer {
    display: block;
    width: 100%;
    text-align: left;
    font: inherit;
    background: white;
    border: 1.5px solid var(--card-border);
    border-radius: 12px;
    padding: 0.85rem 1rem;
    cursor: pointer;
    transition: border-color 0.15s ease;
    touch-action: manipulation;
}

    .answer:hover:not(:disabled) {
        border-color: var(--gray-400);
    }

    .answer:disabled {
        cursor: default;
    }

    /* Same palette as the app's answer cards. */
    .answer.correct {
        background: #DFF3EC;
        border-color: var(--accent);
    }

    .answer.wrong {
        background: #FBE9E9;
        border-color: #D64545;
    }

.answer-letter {
    font-weight: 700;
    color: var(--primary);
    margin-right: 0.55rem;
}

.feedback {
    font-size: 1.05rem;
    font-weight: 700;
    margin: 1rem 0 0 0;
}

    .feedback.ok {
        color: var(--accent);
    }

    .feedback.ko {
        color: #D64545;
    }

.btn-explanation {
    background: white;
    color: var(--primary);
    border: 1px solid var(--primary);
    border-radius: 10px;
    padding: 0.55rem 0.9rem;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: 0.8rem;
}

.explanation-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.8rem;
}

    .explanation-row .btn-next-inline {
        margin-top: 0.8rem;
        padding: 0.55rem 1.4rem;
    }

.explanation-card {
    background: white;
    border-radius: 16px;
    padding: 1.1rem 1.2rem;
    margin-top: 0.8rem;
    box-shadow: 0 4px 10px rgba(16, 42, 67, 0.08);
}

    .explanation-card img {
        max-width: 100%;
        border-radius: 8px;
        cursor: zoom-in;
    }

/* Fullscreen image viewer */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.88);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: zoom-out;
}

    .lightbox img {
        max-width: 95vw;
        max-height: 95vh;
        border-radius: 8px;
        background: white;
    }

.lightbox-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: none;
    border-radius: 50%;
    width: 2.6rem;
    height: 2.6rem;
    font-size: 1.1rem;
    cursor: pointer;
}

    .lightbox-close:hover {
        background: rgba(255, 255, 255, 0.3);
    }

/* Real-exam picker (Examen) */
.examen-page {
    /* Wider than the 560px content column — centered on the viewport. */
    width: min(880px, calc(100vw - 2.5rem));
    position: relative;
    left: 50%;
    transform: translateX(-50%);
}

.year-header {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--primary);
    border-bottom: 1.5px dashed var(--card-border);
    padding-bottom: 0.4rem;
    margin: 1.6rem 0 0.75rem 0;
}

.exam-list {
    display: grid;
    gap: 0.6rem;
}

.exam-card {
    /* Fixed columns: month | model | status | meta — the chips line up
       vertically across rows, independent of the title's length. */
    display: grid;
    grid-template-columns: 11rem minmax(8.5rem, auto) minmax(6rem, auto) 1fr;
    align-items: center;
    gap: 0.75rem;
    background: white;
    border: 1.5px solid var(--card-border);
    border-radius: 12px;
    padding: 0.8rem 1rem;
    width: 100%;
    text-align: left;
    font: inherit;
    cursor: pointer;
    transition: border-color 0.15s ease;
}

    .exam-card:hover {
        border-color: var(--accent);
    }

.exam-model-cell,
.exam-status {
    justify-self: start;
}

@media (max-width: 680px) {
    .exam-card {
        grid-template-columns: 1fr auto;
    }

    .exam-meta {
        grid-column: 1 / -1;
    }
}

.status-chip {
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 99px;
    padding: 0.2rem 0.6rem;
}

    .status-chip.apto {
        background: #DFF3EC;
        color: #1E7A76;
    }

    .status-chip.noapto {
        background: #FBE9E9;
        color: #B23B3B;
    }

    .status-chip.empezado {
        background: #EDF1F6;
        color: var(--gray-600);
    }

.exam-title {
    display: flex;
    align-items: baseline;
    gap: 0.7rem;
}

.exam-month {
    font-weight: 700;
    color: var(--off-black);
}

.exam-model {
    background: var(--primary);
    color: white;
    font-size: 0.78rem;
    font-weight: 700;
    border-radius: 8px;
    padding: 0.2rem 0.55rem;
}

.exam-meta {
    color: var(--gray-400);
    font-size: 0.85rem;
    justify-self: end;
    text-align: right;
}

/* Exam simulation session */
.exam-topbar {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.exam-topbar-title {
    font-weight: 700;
    color: var(--off-black);
    flex: 1;
}

.exam-timer {
    font-variant-numeric: tabular-nums;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--primary);
    background: white;
    border: 1.5px solid var(--card-border);
    border-radius: 10px;
    padding: 0.3rem 0.7rem;
}

    .exam-timer.low {
        color: #D64545;
        border-color: #D64545;
    }

.qnav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-bottom: 0.5rem;
}

.qnav-btn {
    width: 2.1rem;
    height: 2.1rem;
    font: inherit;
    font-size: 0.8rem;
    background: white;
    border: 1.5px solid var(--card-border);
    border-radius: 8px;
    cursor: pointer;
    color: var(--gray-600);
}

    .qnav-btn.answered {
        background: #DFF3EC;
        border-color: var(--accent);
        color: #1E7A76;
    }

    .qnav-btn.current {
        border-color: var(--primary);
        border-width: 2px;
        font-weight: 700;
        color: var(--primary);
    }

.question-img {
    display: block;
    max-width: 100%;
    border-radius: 8px;
    margin-top: 0.8rem;
}

.answer.selected {
    background: #EAF6F5;
    border-color: var(--accent);
    border-width: 2px;
}

.exam-controls {
    display: flex;
    gap: 0.7rem;
    margin-top: 1.1rem;
}

    .exam-controls .btn-primary {
        margin-left: auto;
    }

/* Exam result */
.verdict {
    text-align: center;
    font-size: 1.7rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    border-radius: 14px;
    padding: 0.9rem;
    margin-top: 0.75rem;
}

    .verdict.apto {
        background: #DFF3EC;
        color: #1E7A76;
    }

    .verdict.noapto {
        background: #FBE9E9;
        color: #B23B3B;
    }

.result-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.6rem;
    margin-top: 0.9rem;
}

.stat {
    background: white;
    border: 1.5px solid var(--card-border);
    border-radius: 12px;
    padding: 0.7rem 0.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.15rem;
}

.stat-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--off-black);
}

    .stat-value.ok {
        color: #1E7A76;
    }

    .stat-value.ko {
        color: #D64545;
    }

.stat-label {
    font-size: 0.75rem;
    color: var(--gray-400);
    text-align: center;
}

.section-heading {
    font-size: 1.02rem;
    color: var(--off-black);
    margin: 1.5rem 0 0.7rem 0;
}

.topic-result-list {
    display: grid;
    gap: 0.4rem;
}

.topic-result {
    display: flex;
    justify-content: space-between;
    gap: 0.75rem;
    background: white;
    border: 1.5px solid var(--card-border);
    border-radius: 10px;
    padding: 0.55rem 0.9rem;
    font-size: 0.9rem;
    color: var(--gray-600);
}

    .topic-result.atlimit {
        border-color: #E0A800;
        background: #FCF3D7;
        color: #8A6D1A;
    }

    .topic-result.exceeded {
        border-color: #D64545;
        background: #FBE9E9;
        color: #B23B3B;
        font-weight: 600;
    }

.topic-note {
    color: var(--gray-400);
    font-size: 0.84rem;
    margin: -0.3rem 0 0.7rem 0;
}

.review-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.review-question {
    position: relative;
    background: white;
    border: 1.5px solid var(--card-border);
    border-radius: 14px;
    padding: 1rem 1.1rem;
    margin-top: 0.8rem;
}

.review-title {
    display: flex;
    gap: 0.6rem;
    align-items: baseline;
    font-weight: 700;
    color: var(--off-black);
    margin-bottom: 0.7rem;
}

.review-unanswered {
    color: #B23B3B;
    font-size: 0.85rem;
    font-weight: 600;
    margin: 0 0 0.5rem 0;
}

.answer.review {
    cursor: default;
}

/* Confirmation modal */
.modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(11, 61, 92, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.modal-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 12px 32px rgba(16, 42, 67, 0.25);
    padding: 1.5rem 1.6rem;
    width: 100%;
    max-width: 420px;
}

.modal-title {
    font-size: 1.1rem;
    color: var(--off-black);
    margin: 0 0 0.6rem 0;
}

.modal-text {
    color: var(--gray-600);
    font-size: 0.95rem;
    margin: 0 0 1.3rem 0;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.7rem;
}

.explanation-text {
    color: var(--gray-600);
    font-size: 0.95rem;
}

    .explanation-text p {
        margin: 0.5rem 0;
    }

.btn-next {
    display: block;
    width: 100%;
    margin-top: 1rem;
}

/* Topic completed */
.completed-card {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.9rem;
    margin-top: 2.5rem;
    text-align: center;
}

.completed-check {
    align-self: center;
    background: var(--accent);
    color: white;
    border-radius: 50%;
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.completed-text {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0;
}

.btn-outline-dark {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
    border-radius: 10px;
    padding: 0.65rem 1.2rem;
    font-size: 1rem;
    text-align: center;
    cursor: pointer;
}

/* Blazor infrastructure (template defaults, kept as-is below) */
#blazor-error-ui {
    color-scheme: light only;
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    box-sizing: border-box;
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

    #blazor-error-ui .dismiss {
        cursor: pointer;
        position: absolute;
        right: 0.75rem;
        top: 0.5rem;
    }

.loading-progress {
    position: absolute;
    display: block;
    width: 8rem;
    height: 8rem;
    inset: 20vh 0 auto 0;
    margin: 0 auto 0 auto;
}

    .loading-progress circle {
        fill: none;
        stroke: #e0e0e0;
        stroke-width: 0.6rem;
        transform-origin: 50% 50%;
        transform: rotate(-90deg);
    }

        .loading-progress circle:last-child {
            stroke: #2AA5A0;
            stroke-dasharray: calc(3.141 * var(--blazor-load-percentage, 0%) * 0.8), 500%;
            transition: stroke-dasharray 0.05s ease-in-out;
        }

.loading-progress-text {
    position: absolute;
    text-align: center;
    font-weight: bold;
    inset: calc(20vh + 3.25rem) 0 auto 0.2rem;
}

    .loading-progress-text:after {
        content: var(--blazor-load-percentage-text, "Cargando");
    }

/* Static intro under the spinner in index.html — what crawlers and the first
   paint see before Blazor replaces #app. */
.loading-intro {
    position: absolute;
    inset: calc(20vh + 10rem) 0 auto 0;
    max-width: 32rem;
    margin: 0 auto;
    padding: 0 16px;
    text-align: center;
    color: #555;
}

    .loading-intro h1 {
        font-size: 1.4rem;
        margin: 0 0 0.5rem;
        color: #2AA5A0;
    }

    .loading-intro .loading-legal {
        font-size: 0.85rem;
    }

        .loading-intro .loading-legal a {
            color: #555;
        }

    .loading-intro .loading-links {
        font-size: 0.85rem;
        line-height: 1.8;
    }

        .loading-intro .loading-links a {
            color: #555;
        }

/* Admin — Usuarios tab (AdminUsuarios.razor). Breaks out of the 560px .content
   column and spans the whole viewport (minus a small gutter) so the table has
   room; it still scrolls sideways on phones. */
.admin-page {
    width: calc(100vw - 2.5rem);
    position: relative;
    left: 50%;
    transform: translateX(-50%);
    margin-top: 1rem;
}

.admin-card {
    padding-bottom: 1rem;
}

.admin-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-bottom: 1rem;
}

.admin-search,
.admin-select {
    font: inherit;
    font-size: 0.95rem;
    padding: 0.55rem 0.8rem;
    border: 1.5px solid var(--card-border);
    border-radius: 10px;
    background: white;
    color: var(--off-black);
}

.admin-search {
    flex: 1 1 220px;
    min-width: 0;
}

    .admin-search:focus,
    .admin-select:focus {
        outline: none;
        border-color: var(--accent);
    }

.admin-btn {
    padding: 0.55rem 1.1rem;
    font-size: 0.95rem;
}

.admin-message {
    color: #1E7A76;
    background: #DFF3EC;
    border-radius: 10px;
    padding: 0.6rem 0.9rem;
    margin: 0 0 0.9rem 0;
    font-size: 0.9rem;
}

.admin-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.admin-table {
    width: 100%;
    min-width: 960px;
    border-collapse: collapse;
    font-size: 0.88rem;
}

    .admin-table th {
        text-align: left;
        font-size: 0.72rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.04em;
        color: var(--gray-400);
        padding: 0.5rem 0.6rem;
        border-bottom: 1.5px solid var(--card-border);
        white-space: nowrap;
    }

    .admin-table td {
        padding: 0.7rem 0.6rem;
        border-bottom: 1px solid #EDF1F6;
        vertical-align: top;
        line-height: 1.4;
    }

    .admin-table tr.is-admin td {
        background: #F7FAFD;
    }

.admin-user-name {
    font-weight: 600;
    color: var(--off-black);
}

.admin-you {
    color: var(--gray-400);
    font-weight: 400;
    font-size: 0.8rem;
    margin-left: 0.25rem;
}

.admin-user-email {
    color: var(--gray-600);
    word-break: break-all;
}

.admin-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
    margin-top: 0.35rem;
}

.admin-muted {
    color: var(--gray-600);
}

.admin-small {
    font-size: 0.78rem;
    color: var(--gray-400);
}

.admin-block {
    display: block;
    margin-top: 0.3rem;
}

.admin-actions {
    white-space: nowrap;
}

.admin-btn-sm {
    font-size: 0.8rem;
    padding: 0.35rem 0.7rem;
    border-radius: 8px;
    margin: 0 0.25rem 0.25rem 0;
}

.admin-pager {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
    color: var(--gray-600);
    font-size: 0.9rem;
}

.status-chip.warn {
    background: #FCEFC7;
    color: #8A6D1A;
}

.status-chip.admin {
    background: var(--primary);
    color: white;
}

/* Admin — Contenido tab (AdminContenido.razor): two stat matrices side by side on
   wide screens, stacked when the viewport cannot fit two 520px columns. */
.admin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(520px, 100%), 1fr));
    gap: 1.5rem;
    align-items: start;
}

.admin-subtitle {
    margin: 0 0 0.35rem 0;
    font-size: 1.1rem;
}

.admin-hint {
    margin: 0 0 1rem 0;
    color: var(--gray-600);
    font-size: 0.88rem;
}

.admin-table.admin-table-stats {
    min-width: 560px;
}

    .admin-table.admin-table-stats tfoot td {
        font-weight: 600;
        border-top: 1.5px solid var(--card-border);
        border-bottom: none;
        background: #F7FAFD;
    }

/* Temas por titulación: one block per titulación — its exam rules in the heading,
   only its own temas in the table. The four columns fit where the old matrix could
   not, so these tables are allowed to be narrower than the other stat tables. */
.admin-license-block + .admin-license-block {
    margin-top: 1.5rem;
    padding-top: 1.3rem;
    border-top: 1.5px solid var(--card-border);
}

.admin-license-head {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.2rem 0.5rem;
    margin-bottom: 0.6rem;
}

.admin-license-code {
    margin: 0;
    font-size: 1rem;
    color: var(--off-black);
}

.admin-license-name {
    color: var(--gray-600);
    font-size: 0.9rem;
}

.admin-license-meta {
    flex-basis: 100%;
    color: var(--gray-400);
    font-size: 0.82rem;
}

.admin-table.admin-table-topics {
    min-width: 380px;
}

.admin-num,
.admin-table th.admin-num {
    text-align: right;
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}

.admin-dash {
    color: var(--gray-400);
}

.admin-table tr.is-empty td,
.admin-table tr.is-empty .admin-user-name {
    color: var(--gray-400);
}

/* Admin — Convocatorias tab (AdminConvocatorias.razor): last imported sitting vs.
   convocatoria site and next expected sitting per comunidad, with a full-width
   notes row under each one; the site, the date and the notes save on change. */
.admin-table.admin-table-convocatorias {
    min-width: 1100px;
}

/* The Convocatorias card runs edge to edge: .admin-page is 100vw − 2.5rem wide, so
   the card bleeds 1.25rem past it on each side, and the table cancels the card's
   side padding — the rule between comunidades then spans the whole screen. 100vw
   counts the vertical scrollbar, so the page clips the few pixels that spill over. */
.admin-card.admin-card-bleed {
    margin-left: -1.25rem;
    margin-right: -1.25rem;
    border-left: none;
    border-right: none;
    border-radius: 0;
    box-shadow: none;
}

    .admin-card.admin-card-bleed .admin-table-wrap {
        margin-left: -1.4rem;
        margin-right: -1.4rem;
    }

body:has(.admin-card-bleed) {
    overflow-x: clip;
}

    /* Each comunidad is its own row group (tbody.admin-comunidad): the data row
       and its notes read as one block — no rule between them, a thick dark rule and
       some air where the next comunidad starts, and the blocks alternating between
       two light tints — a cool blue and a warm sand, so neighbours never share a
       colour and the boundary is obvious even where the notes run long. */
    .admin-table.admin-table-convocatorias tbody tr:not(.admin-notes-row) td {
        border-bottom: none;
        padding-bottom: 0.4rem;
    }

    .admin-table.admin-table-convocatorias .admin-comunidad tr:first-child td {
        border-top: 4px solid var(--primary);
        padding-top: 0.9rem;
    }

    .admin-table.admin-table-convocatorias .admin-comunidad:nth-of-type(odd) td {
        background: #EAF3FA;
    }

    .admin-table.admin-table-convocatorias .admin-comunidad:nth-of-type(even) td {
        background: #FBF5E9;
    }

    .admin-table.admin-table-convocatorias .admin-comunidad .admin-user-name {
        font-size: 1rem;
        color: #B23B3B;
    }

.admin-notes-row td {
    padding-top: 0;
    padding-bottom: 1rem;
}

.admin-notes-label {
    display: block;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--gray-400);
    margin-bottom: 0.25rem;
}

.admin-notes {
    display: block;
    width: 100%;
    resize: vertical;
    min-height: 4.5rem;
    line-height: 1.5;
}

.admin-files {
    list-style: none;
    margin: 0.3rem 0 0 0;
    padding: 0;
    font-size: 0.78rem;
    color: var(--gray-600);
}

    .admin-files li {
        word-break: break-all;
    }

.admin-field {
    font: inherit;
    font-size: 0.9rem;
    padding: 0.4rem 0.6rem;
    border: 1.5px solid var(--card-border);
    border-radius: 8px;
    background: white;
    color: var(--off-black);
}

    .admin-field:focus {
        outline: none;
        border-color: var(--accent);
    }

.admin-url {
    width: 100%;
    min-width: 220px;
}

.admin-field:disabled {
    opacity: 0.6;
    cursor: default;
}

/* Suscripción: the three plans side by side, one column on phones. */
.plan-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 1.25rem;
}

@media (max-width: 760px) {
    .plan-grid {
        grid-template-columns: 1fr;
    }
}

.plan-card {
    display: flex;
    flex-direction: column;
    text-align: center;
}

.plan-price {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
    margin: 0;
}

.plan-note {
    color: var(--gray-600);
    font-size: 0.9rem;
    margin: 0.3rem 0 1.1rem;
}

.plan-card .btn-primary {
    margin-top: auto;
}

.plan-legal {
    color: var(--gray-400);
    font-size: 0.82rem;
    margin-top: 1rem;
}

/* Topic practice — question screen (TopicSession.razor). Breaks out of the 560px
   .content column like the dashboard: question + answers on the left, the
   explanation beside them on wide screens, stacked below on phones. The lightbox
   and the restart modal stay OUTSIDE .ts-page, because its transform would make
   their position: fixed relative to it. */
.ts-page {
    width: min(1180px, calc(100vw - 2rem));
    position: relative;
    left: 50%;
    transform: translateX(-50%);
    outline: none;
}

.ts-header {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 0.75rem 1.5rem;
    margin: 0.25rem 0 1.25rem;
}

.ts-header-main {
    flex: 1 1 420px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.ts-header-line {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.25rem 1rem;
}

.ts-title {
    margin: 0;
    font-size: 1.35rem;
    color: var(--primary);
}

.ts-count {
    font-size: 0.9rem;
    font-weight: 600;
    color: #4A5A68;
}

.ts-tally {
    display: flex;
    gap: 0.5rem;
}

.ts-pill {
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.35rem 0.75rem;
    border-radius: 99px;
    white-space: nowrap;
}

    .ts-pill.ok {
        background: #E6F5F4;
        color: #1E6B67;
    }

    .ts-pill.ko {
        background: #FFF4E5;
        color: #8A4B0B;
    }

.ts-layout {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 1.5rem;
}

.ts-main {
    flex: 999 1 540px;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.ts-aside {
    flex: 1 1 320px;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Bar between question and explanation (js/ts-splitter.js). Only where the two
   columns sit side by side; below that they stack and the bar is hidden. */
.ts-splitter {
    display: none;
}

@media (min-width: 900px) {
    .ts-layout {
        flex-wrap: nowrap;
        gap: 0;
    }

    .ts-main {
        flex: 1 1 0;
    }

    .ts-aside {
        flex: 0 0 var(--ts-aside-w, 360px);
        max-width: calc(100% - 420px);
    }

    .ts-splitter {
        display: block;
        flex: 0 0 1.5rem;
        align-self: stretch;
        min-height: 12rem;
        position: relative;
        cursor: col-resize;
        touch-action: none;
        outline: none;
    }

        .ts-splitter::before {
            content: "";
            position: absolute;
            top: 0;
            bottom: 0;
            left: 50%;
            width: 2px;
            transform: translateX(-50%);
            border-radius: 2px;
            background: transparent;
            transition: background 0.15s;
        }

        .ts-splitter::after {
            content: "";
            position: absolute;
            top: 6rem;
            left: 50%;
            width: 6px;
            height: 2.75rem;
            transform: translateX(-50%);
            border-radius: 6px;
            background: #C9D3E1;
            transition: background 0.15s;
        }

        .ts-splitter:hover::before,
        .ts-splitter:focus-visible::before,
        .ts-resizing .ts-splitter::before {
            background: #C9D3E1;
        }

        .ts-splitter:hover::after,
        .ts-splitter:focus-visible::after,
        .ts-resizing .ts-splitter::after {
            background: var(--primary);
        }
}

.ts-resizing {
    cursor: col-resize;
    user-select: none;
}

.ts-card {
    position: relative;
    background: white;
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.ts-question {
    margin: 0;
    font-size: 1.3rem;
    line-height: 1.4;
    font-weight: 700;
    color: #14212B;
}

.ts-answers {
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.ts-answer {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    width: 100%;
    min-height: 56px;
    padding: 0.75rem 1rem;
    text-align: left;
    font: inherit;
    font-size: 1.05rem;
    color: #14212B;
    background: white;
    border: 2px solid var(--card-border);
    border-radius: 14px;
    cursor: pointer;
    touch-action: manipulation;
    transition: border-color 0.15s ease, background 0.15s ease;
}

    .ts-answer:hover:not(:disabled) {
        border-color: var(--primary);
        background: #F7F9FC;
    }

    .ts-answer:focus-visible {
        outline: 3px solid rgba(42, 165, 160, 0.45);
        outline-offset: 2px;
    }

    .ts-answer:disabled {
        cursor: default;
    }

    .ts-answer.correct {
        background: #E6F5F4;
        border-color: var(--accent);
    }

    .ts-answer.wrong {
        background: #FCEBEB;
        border-color: #D9534F;
    }

    .ts-answer.dim {
        opacity: 0.6;
    }

.ts-letter {
    flex: none;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    background: #EEF2F8;
    color: var(--primary);
}

.ts-answer.correct .ts-letter {
    background: var(--accent);
    color: white;
}

.ts-answer.wrong .ts-letter {
    background: #D9534F;
    color: white;
}

.ts-answer-text {
    flex: 1 1 auto;
}

.ts-mark {
    flex: none;
}

.ts-answer.correct .ts-mark {
    color: #1E7A76;
}

.ts-answer.wrong .ts-mark {
    color: #B23B3B;
}

.ts-hint {
    margin: 0;
    font-size: 0.85rem;
    color: #4A5A68;
}

.ts-verdict {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    padding: 1.1rem 1.25rem;
    border-radius: 18px;
}

    .ts-verdict.ok {
        background: #E6F5F4;
        color: #0F4F4C;
    }

    .ts-verdict.ko {
        background: #FFF4E5;
        color: #6B3A08;
    }

.ts-verdict-title {
    font-size: 1.2rem;
}

.ts-verdict-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
}

.ts-next {
    min-height: 48px;
    padding: 0.7rem 1.6rem;
    font-weight: 700;
    border-radius: 12px;
}

    .ts-next:focus-visible {
        outline: 3px solid rgba(11, 61, 92, 0.35);
        outline-offset: 2px;
    }

.ts-secondary {
    min-height: 48px;
    padding: 0.7rem 1.2rem;
    font: inherit;
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary);
    background: transparent;
    border: 1px solid #B9C6D3;
    border-radius: 12px;
    cursor: pointer;
}

.ts-explanation {
    background: white;
    border: 1px solid var(--card-border);
    border-radius: 20px;
    overflow: hidden;
}

.ts-image-btn {
    display: block;
    width: 100%;
    padding: 0;
    border: none;
    background: #0F2236;
    cursor: zoom-in;
}

    .ts-image-btn img {
        display: block;
        width: 100%;
        height: auto;
    }

.ts-explanation-body {
    padding: 1.1rem 1.25rem 1.25rem;
}

.ts-explanation-title {
    margin: 0 0 0.25rem;
    font-size: 1.05rem;
    color: var(--primary);
}

.ts-shortcuts {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    font-size: 0.85rem;
    color: #4A5A68;
    background: white;
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 0.9rem 1.1rem;
}

    .ts-shortcuts strong {
        color: var(--primary);
    }

    .ts-shortcuts kbd {
        font: inherit;
        font-weight: 700;
        background: #EEF2F8;
        border-radius: 6px;
        padding: 0 0.35rem;
        color: var(--primary);
    }

/* Phones have no keyboard: the shortcut card only takes room there. */
@media (max-width: 760px) {
    .ts-shortcuts,
    .ts-hint {
        display: none;
    }

    .ts-card {
        padding: 1.1rem;
    }

    .ts-question {
        font-size: 1.15rem;
    }

    .ts-next {
        flex: 1 1 100%;
    }
}

/* Inicio — study dashboard (Home.razor). Breaks out of the 560px .content column
   like the question screen: "continúa donde lo dejaste" + quick review side by
   side, then the topic list ordered weakest first. */
.home-page {
    width: min(1180px, calc(100vw - 2rem));
    position: relative;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding-bottom: 1rem;
}

.home-head {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem;
}

.home-greeting {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.home-title {
    margin: 0;
    font-size: 2rem;
    line-height: 1.15;
    color: var(--primary);
}

.home-today {
    margin: 0;
    font-size: 1.05rem;
    color: #33424F;
}

.home-exam-chip {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: white;
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 0.75rem 1.1rem;
    color: #C26A12;
}

.home-exam-text {
    display: flex;
    flex-direction: column;
    color: #14212B;
}

    .home-exam-text strong {
        font-size: 0.95rem;
    }

.home-exam-label {
    font-size: 0.8rem;
    color: #4A5A68;
}

.home-exam-change {
    margin-left: 0.4rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
}

.home-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
}

.home-hero {
    flex: 2 1 520px;
    min-width: 0;
    background: var(--primary);
    color: white;
    border-radius: 24px;
    padding: 1.75rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.75rem;
}

.home-hero-main {
    flex: 1 1 300px;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.home-kicker {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #9FD8D5;
}

.home-hero-title {
    margin: 0;
    font-size: 1.6rem;
    line-height: 1.2;
}

.home-hero-text {
    margin: 0;
    font-size: 1rem;
    color: #DCE8F0;
}

.home-hero-track {
    height: 10px;
    background: rgba(255, 255, 255, 0.18);
    border-radius: 99px;
    overflow: hidden;
}

    .home-hero-track div {
        height: 100%;
        background: var(--accent);
        border-radius: 99px;
    }

.home-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 0.25rem;
}

.home-btn-light,
.home-btn-ghost {
    display: inline-flex;
    align-items: center;
    min-height: 48px;
    padding: 0 1.4rem;
    border-radius: 14px;
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
}

.home-btn-light {
    background: white;
    color: var(--primary);
}

    .home-btn-light:hover {
        background: #E6F5F4;
    }

.home-btn-ghost {
    color: white;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.35);
}

    .home-btn-ghost:hover {
        background: rgba(255, 255, 255, 0.08);
    }

.home-ring {
    flex: 0 0 auto;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.9rem;
    color: #DCE8F0;
}

    .home-ring text {
        font-family: inherit;
    }

.home-ring-sub {
    font-size: 0.8rem;
    color: #9FB6C8;
}

.home-card {
    background: white;
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.home-quick {
    flex: 1 1 300px;
    min-width: 0;
    gap: 0.75rem;
}

.home-card-head {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.5rem;
}

.home-card-title {
    margin: 0;
    font-size: 1.25rem;
    color: var(--primary);
}

.home-card-note {
    font-size: 0.9rem;
    color: #4A5A68;
}

.home-quick-item {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    padding: 0.85rem;
    border-radius: 16px;
    text-decoration: none;
    color: #14212B;
    transition: filter 0.15s ease;
}

    a.home-quick-item:hover {
        filter: brightness(0.97);
    }

    .home-quick-item.warm {
        background: #FFF4E5;
        color: #14212B;
    }

    .home-quick-item.teal {
        background: #E6F5F4;
    }

    .home-quick-item.navy {
        background: #EEF2F8;
    }

    .home-quick-item.done {
        background: #F5F7FA;
    }

.home-quick-icon {
    flex: none;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
}

.home-quick-item.warm .home-quick-icon {
    color: #C26A12;
}

.home-quick-item.teal .home-quick-icon,
.home-quick-item.done .home-quick-icon {
    color: #1E7A76;
}

.home-quick-item.navy .home-quick-icon {
    color: var(--primary);
}

.home-quick-text {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    min-width: 0;
}

    .home-quick-text strong {
        font-size: 1rem;
    }

    .home-quick-text span {
        font-size: 0.85rem;
        color: #4A5A68;
    }

.home-topics {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 2rem;
}

.home-topic {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.85rem 0.25rem;
    border-bottom: 1px solid #E8ECF1;
    text-decoration: none;
    color: #14212B;
}

    .home-topic:hover .home-topic-line strong {
        color: var(--primary);
        text-decoration: underline;
    }

.home-topic-num {
    flex: none;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: #EEF2F8;
    color: var(--primary);
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.home-topic-body {
    flex: 1 1 auto;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.home-topic-line {
    display: flex;
    justify-content: space-between;
    gap: 0.5rem;
    font-size: 0.95rem;
}

    .home-topic-line span {
        color: #4A5A68;
        font-size: 0.85rem;
    }

.home-topic-track {
    display: block;
    height: 8px;
    background: #EEF2F8;
    border-radius: 99px;
    overflow: hidden;
}

    .home-topic-track span {
        display: block;
        height: 100%;
        background: var(--accent);
        border-radius: 99px;
    }

        .home-topic-track span.low {
            background: #E08A2B;
        }

.home-chip {
    flex: none;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.3rem 0.6rem;
    border-radius: 99px;
    white-space: nowrap;
}

    .home-chip.warm {
        background: #FFF4E5;
        color: #8A4B0B;
    }

    .home-chip.teal {
        background: #E6F5F4;
        color: #1E6B67;
    }

    .home-chip.navy {
        background: #EEF2F8;
        color: var(--primary);
    }

    .home-chip.muted {
        background: #F2F4F8;
        color: #5B6B78;
    }

@media (max-width: 760px) {
    .home-title {
        font-size: 1.6rem;
    }

    .home-exam-chip {
        width: 100%;
    }

    .home-hero {
        padding: 1.25rem;
    }

    .home-topics {
        grid-template-columns: minmax(0, 1fr);
    }

    .home-card {
        padding: 1.1rem;
    }
}

/* Inicio — the exam-date box: the user's own date, a suggestion from the
   community's next sitting, or an inline date picker. */
.home-exam-chip {
    flex-wrap: wrap;
}

.home-exam-sub {
    font-size: 0.85rem;
    color: #4A5A68;
}

.home-exam-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-left: auto;
}

.home-exam-form {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.3rem;
}

.home-exam-input {
    min-height: 40px;
    padding: 0 0.6rem;
    font: inherit;
    font-size: 0.95rem;
    border: 1px solid var(--card-border);
    border-radius: 10px;
    color: #14212B;
}

.home-exam-btn {
    min-height: 40px;
    padding: 0 0.9rem;
    font: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 10px;
    border: 1px solid #B9C6D3;
    background: white;
    color: var(--primary);
    cursor: pointer;
    white-space: nowrap;
}

    .home-exam-btn.primary {
        background: var(--primary);
        border-color: var(--primary);
        color: white;
    }

    .home-exam-btn.link {
        border-color: transparent;
        background: transparent;
        text-decoration: underline;
        padding: 0 0.4rem;
    }

    .home-exam-btn:disabled {
        opacity: 0.6;
        cursor: default;
    }

.home-exam-error {
    font-size: 0.85rem;
    color: #B23B3B;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

/* Landing: "Prueba cómo se estudia aquí" — text and a still of the question
   screen, both leading to /prueba. */
.landing-try {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 2rem;
    margin: 0 0 2.5rem;
    padding: 1.75rem;
    border-radius: 20px;
    background: #EAF4F4;
}

.landing-try-text h2 {
    font-size: 1.5rem;
    color: var(--primary);
    margin: 0.3rem 0 0.6rem;
}

.landing-try-text p {
    color: var(--gray-600);
    line-height: 1.55;
    margin: 0 0 1.25rem;
}

.landing-try-kicker {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #1E6B67;
}

.landing-try-preview {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    padding: 1.25rem;
    border-radius: 16px;
    background: white;
    border: 1px solid var(--card-border);
    box-shadow: 0 10px 30px rgba(16, 42, 67, 0.08);
    color: var(--gray-800, #1F2933);
    text-decoration: none;
    transition: transform 0.15s;
}

    .landing-try-preview:hover {
        transform: translateY(-2px);
    }

.landing-try-q {
    font-weight: 700;
    font-size: 1.05rem;
    margin-bottom: 0.2rem;
}

.landing-try-a {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.55rem 0.7rem;
    border: 1.5px solid var(--card-border);
    border-radius: 10px;
    font-size: 0.92rem;
}

    .landing-try-a b {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 1.6rem;
        height: 1.6rem;
        border-radius: 7px;
        background: #EEF2F8;
        color: var(--primary);
        font-size: 0.8rem;
        flex: none;
    }

    .landing-try-a i {
        margin-left: auto;
        font-style: normal;
        font-weight: 700;
    }

    .landing-try-a.correct {
        border-color: #2AA5A0;
        background: #E6F5F4;
    }

        .landing-try-a.correct b {
            background: #2AA5A0;
            color: white;
        }

    .landing-try-a.dim {
        opacity: 0.5;
    }

.landing-try-verdict {
    margin-top: 0.3rem;
    font-size: 0.88rem;
    font-weight: 700;
    color: #1E6B67;
}

@media (max-width: 760px) {
    .landing-try {
        grid-template-columns: 1fr;
        padding: 1.25rem;
        gap: 1.25rem;
    }
}

/* /prueba — the no-account mini test (Prueba.razor) on the ts-* question screen. */
.prueba-licenses {
    display: flex;
    gap: 0.35rem;
}

.prueba-license {
    border: 1.5px solid var(--card-border);
    background: white;
    color: var(--primary);
    font-weight: 700;
    font-size: 0.85rem;
    padding: 0.3rem 0.7rem;
    border-radius: 99px;
    cursor: pointer;
}

    .prueba-license.selected {
        background: var(--primary);
        border-color: var(--primary);
        color: white;
    }

.prueba-topic {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: #1E6B67;
    margin-bottom: -0.6rem;
}

.prueba-question-image {
    max-width: 100%;
    max-height: 320px;
    object-fit: contain;
    align-self: center;
    border-radius: 10px;
}

.prueba-aside-cta {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    padding: 1rem 1.1rem;
    border-radius: 16px;
    background: #EAF4F4;
    font-size: 0.92rem;
    line-height: 1.45;
}

    .prueba-aside-cta strong {
        color: var(--primary);
    }

    .prueba-aside-cta a {
        font-weight: 700;
        color: var(--primary);
    }

.prueba-result {
    max-width: 30rem;
    margin-left: auto;
    margin-right: auto;
}

.prueba-cta {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    padding: 1rem;
    border-radius: 14px;
    background: #EAF4F4;
    line-height: 1.5;
}

    .prueba-cta strong {
        color: var(--primary);
    }

.prueba-link {
    color: var(--primary);
    font-weight: 600;
}

/* Guest topbar on phones: no room for three items; the landing has the same link. */
@media (max-width: 520px) {
    .topbar-try {
        display: none;
    }
}

/* Estudiar (video lessons). Wider than .content, like .temas-grid. */
.study-page {
    width: min(1200px, calc(100vw - 2rem));
    position: relative;
    left: 50%;
    transform: translateX(-50%);
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

    .study-page h1 {
        color: var(--primary);
    }

.study-head {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem;
}

    .study-head h1 {
        font-size: 2rem;
    }

    .study-head .tagline {
        max-width: 620px;
        margin-bottom: 0;
    }

.study-stats {
    display: flex;
    gap: 1.5rem;
    font-size: 0.875rem;
    color: var(--gray-600);
}

    .study-stats strong {
        display: block;
        font-size: 1.375rem;
        color: var(--primary);
    }

.study-muted {
    color: var(--gray-600);
    font-size: 0.875rem;
}

.study-block {
    display: block;
}

.study-eyebrow {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #1E7F7B;
}

.study-section-title {
    font-size: 1.25rem;
    margin: 0 0 1rem;
}

.study-crumbs {
    font-size: 0.875rem;
    color: var(--gray-600);
}

    .study-crumbs a {
        color: var(--primary);
    }

/* 16:9 photo or placeholder, filling its box. */
.study-img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.study-img-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    background: #DBEAF2;
    color: #33536A;
    font-size: 0.75rem;
    text-align: center;
}

.study-continue {
    background: white;
    border: 1px solid var(--card-border);
    border-radius: 14px;
    padding: 1rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.25rem;
}

.study-continue-text {
    flex: 1 1 260px;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.study-continue-name {
    font-size: 1.25rem;
    font-weight: 700;
}

.study-thumb {
    position: relative;
    display: block;
    flex: 0 0 200px;
    aspect-ratio: 16 / 9;
    border-radius: 10px;
    overflow: hidden;
    text-decoration: none;
}

.study-thumb-continue {
    flex-basis: 280px;
    max-width: 100%;
}

.study-thumb-small {
    flex: 0 0 128px;
    width: 128px;
    border-radius: 8px;
}

.study-play {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 52px;
    height: 52px;
    margin: -26px 0 0 -26px;
    border-radius: 50%;
    background: rgba(11, 61, 92, 0.88) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M8 5v14l11-7z'/%3E%3C/svg%3E") center / 22px no-repeat;
}

.study-thumb-progress {
    position: absolute;
    left: 0;
    bottom: 0;
    height: 4px;
    background: var(--accent);
}

.study-duration {
    position: absolute;
    right: 8px;
    bottom: 8px;
    background: rgba(20, 20, 20, 0.78);
    color: white;
    font-size: 0.75rem;
    border-radius: 6px;
    padding: 1px 6px;
}

.study-lock {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(11, 61, 92, 0.55);
}

.study-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
}

.study-card {
    background: white;
    border: 1px solid var(--card-border);
    border-radius: 14px;
    overflow: hidden;
    text-decoration: none;
    color: var(--off-black);
    display: flex;
    flex-direction: column;
    transition: box-shadow 0.15s ease, transform 0.15s ease;
}

    .study-card:hover {
        box-shadow: 0 6px 18px rgba(16, 42, 67, 0.12);
        transform: translateY(-2px);
    }

    .study-card.is-empty .study-card-img {
        opacity: 0.75;
    }

.study-card-img {
    position: relative;
    display: block;
    aspect-ratio: 16 / 9;
}

.study-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--primary);
    color: white;
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: 8px;
    padding: 4px 10px;
}

.study-badge-soon {
    left: auto;
    right: 12px;
    background: white;
    color: var(--gray-600);
    font-weight: 600;
}

.study-card-body {
    padding: 0.9rem 1rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

    .study-card-body .progress-track,
    .study-hero-text .progress-track {
        height: 4px;
    }

.study-card-name {
    font-size: 1.05rem;
    font-weight: 700;
}

.study-hero {
    background: white;
    border: 1px solid var(--card-border);
    border-radius: 16px;
    overflow: hidden;
    display: flex;
    flex-wrap: wrap;
}

.study-hero-img {
    flex: 1 1 440px;
    aspect-ratio: 16 / 9;
}

.study-hero-text {
    flex: 1 1 340px;
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.85rem;
}

    .study-hero-text h1 {
        font-size: 1.875rem;
        margin: 0;
    }

.study-desc {
    margin: 0;
    line-height: 1.5;
    font-size: 1rem;
}

.study-facts {
    display: flex;
    gap: 1.25rem;
    font-size: 0.875rem;
    color: var(--gray-600);
}

.study-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.study-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.study-row {
    background: white;
    border: 1px solid var(--card-border);
    border-radius: 14px;
    padding: 0.75rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.1rem;
}

    .study-row.is-watched {
        background: #D3EFDD;
        border: 1.5px solid #5DBB86;
    }

    .study-row.is-unwatched {
        background: #FDEEEE;
        border-color: #F0BDBD;
    }

.study-row-text {
    flex: 1 1 240px;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.study-row-name {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--off-black);
}

.study-row-state {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.study-state {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--gray-600);
}

    .study-state.is-done {
        color: #157347;
        font-size: 0.9rem;
        display: inline-flex;
        align-items: center;
        gap: 0.35rem;
    }

.study-check {
    flex: none;
    color: #1E9E5A;
}

    .study-state.is-going {
        color: var(--primary);
    }

.study-chip-free {
    background: #E6F4F3;
    color: #13615E;
}

.btn-accent {
    display: inline-block;
    background: var(--accent);
    color: #08302E;
    font-weight: 700;
    border-radius: 10px;
    padding: 0.75rem 1.25rem;
}

/* Player page: video + text on the left, chapters and next on the right. */
.study-player-layout {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    align-items: flex-start;
}

.study-player-main {
    flex: 999 1 620px;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

.study-player-side {
    flex: 1 1 300px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.study-player {
    background: #0E1A24;
    border-radius: 14px;
    overflow: hidden;
    aspect-ratio: 16 / 9;
}

    .study-player video {
        display: block;
        width: 100%;
        height: 100%;
        background: #0E1A24;
    }

.study-player-locked {
    position: relative;
    width: 100%;
    height: 100%;
}

.study-locked-box {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 1.5rem;
    text-align: center;
    background: rgba(11, 61, 92, 0.78);
    color: white;
}

    .study-locked-box strong {
        font-size: 1.25rem;
    }

    .study-locked-box .btn-primary {
        background: white;
        color: var(--primary);
    }

.study-video-head {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
}

    .study-video-head h1 {
        font-size: 1.6rem;
        margin: 0.2rem 0;
    }

.study-panel {
    padding: 1rem 1.1rem 1.1rem;
}

    .study-panel h2 {
        font-size: 1rem;
        margin: 0 0 0.75rem;
    }

.study-terms {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.study-term {
    background: #EEF3F8;
    color: var(--primary);
    border-radius: 999px;
    padding: 0.35rem 0.75rem;
    font-size: 0.875rem;
}

.study-chapters {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.study-chapter {
    text-align: left;
    border: 0;
    border-radius: 8px;
    padding: 0.6rem 0.7rem;
    min-height: 44px;
    font: inherit;
    font-size: 0.875rem;
    background: transparent;
    color: var(--off-black);
    cursor: pointer;
}

    .study-chapter:hover:not(:disabled) {
        background: #E6F4F3;
    }

.study-chapter-time {
    display: inline-block;
    min-width: 3.2rem;
    color: var(--gray-600);
    font-variant-numeric: tabular-nums;
}

.study-next {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    text-decoration: none;
}

/* Admin Vídeos tab. */
.study-import {
    position: relative;
    cursor: pointer;
    padding: 0.5rem 0.9rem;
}

    .study-import.is-busy {
        opacity: 0.6;
        pointer-events: none;
    }

    .study-import input {
        position: absolute;
        inset: 0;
        opacity: 0;
        cursor: pointer;
    }

.study-admin-topic {
    margin-top: 1rem;
}

    .study-admin-topic summary {
        cursor: pointer;
        display: flex;
        flex-wrap: wrap;
        gap: 0.75rem;
        align-items: baseline;
    }

.study-admin-cover {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin: 1rem 0;
}

.study-admin-cover-img {
    flex: 0 0 200px;
    aspect-ratio: 16 / 9;
    border-radius: 10px;
    overflow: hidden;
}

.study-admin-cover-fields {
    flex: 1 1 320px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-size: 0.85rem;
}

    .study-admin-cover-fields .admin-field,
    .study-admin-table .admin-field {
        display: block;
        width: 100%;
        box-sizing: border-box;
        margin-top: 0.2rem;
    }

    .study-admin-table .admin-field {
        min-width: 11rem;
    }

    .study-admin-table .admin-field.study-num {
        width: 5.5rem;
        min-width: 0;
    }

@media (max-width: 600px) {
    .study-thumb {
        flex-basis: 100%;
    }

    .study-thumb-small {
        flex-basis: 112px;
        width: 112px;
    }

    .study-hero-text {
        padding: 1.25rem;
    }
}