/* VALUX — plataforma de cursos (detalle, lección, panel docente)
   Sistema editorial: tinta, papel, royal, mono. */

/* ---------- comunes ---------- */
.course-shell {
    padding: 3rem 1.25rem 5rem;
    background: var(--paper);
}

.course-shell .container-narrow {
    max-width: var(--container-narrow);
    margin: 0 auto;
}

.course-eyebrow {
    font-family: var(--font-mono);
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--royal);
    margin: 0 0 .6rem;
}

.course-title {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: clamp(2rem, 5vw, 3.2rem);
    line-height: .95;
    text-transform: uppercase;
    margin: 0 0 .8rem;
}

.course-lead {
    color: var(--muted);
    max-width: 60ch;
    margin: 0 0 1.6rem;
}

/* ---------- barra de progreso ---------- */
.progress-bar {
    height: 10px;
    background: var(--white);
    border: 1px solid var(--ink);
    margin: .4rem 0 .3rem;
}

.progress-bar > span {
    display: block;
    height: 100%;
    background: var(--royal);
    transition: width .4s var(--ease);
}

.progress-label {
    font-family: var(--font-mono);
    font-size: .68rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--muted);
}

/* ---------- secciones / temario ---------- */
.syllabus {
    margin-top: 2.4rem;
    border: 1px solid var(--ink);
    background: var(--paper-2);
}

.syllabus-section + .syllabus-section {
    border-top: 1px solid var(--ink);
}

.syllabus-section > summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.3rem;
    background: var(--ink);
    color: var(--paper);
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 800;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.syllabus-section > summary::-webkit-details-marker {
    display: none;
}

.syllabus-section > summary .syllabus-meta {
    font-family: var(--font-mono);
    font-size: .66rem;
    font-weight: 500;
    letter-spacing: .1em;
    color: rgba(245, 241, 234, .7);
    white-space: nowrap;
}

.lesson-row {
    display: flex;
    align-items: center;
    gap: .9rem;
    padding: .85rem 1.3rem;
    border-top: 1px solid var(--line);
    color: var(--ink);
    transition: background .18s var(--ease);
}

a.lesson-row:hover {
    background: rgba(30, 80, 160, .07);
}

.lesson-row.is-locked {
    color: var(--muted);
}

.lesson-check {
    width: 18px;
    height: 18px;
    flex: 0 0 18px;
    border: 1.5px solid var(--ink);
    background: var(--white);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: .7rem;
    line-height: 1;
}

.lesson-row.is-done .lesson-check {
    background: var(--royal);
    border-color: var(--royal);
    color: #fff;
}

.lesson-row .lesson-name {
    flex: 1;
    font-size: .95rem;
}

.lesson-row .lesson-tags {
    display: flex;
    gap: .8rem;
    font-family: var(--font-mono);
    font-size: .64rem;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--muted);
    white-space: nowrap;
}

.lesson-row .lesson-tags .pts {
    color: var(--royal);
    font-weight: 600;
}

/* ---------- página de lección (player) ---------- */
.player-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 1.5rem;
    max-width: var(--container);
    margin: 0 auto;
    align-items: start;
}

.player-main {
    border: 1px solid var(--ink);
    background: var(--paper-2);
}

.player-head {
    padding: .7rem 1.2rem;
    background: var(--ink);
    color: var(--paper);
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    font-family: var(--font-mono);
    font-size: .68rem;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.player-head a {
    color: var(--royal-electric);
}

.player-body {
    padding: 1.6rem 1.4rem 2rem;
}

.player-body h1 {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    text-transform: uppercase;
    line-height: .95;
    margin: 0 0 1.2rem;
}

.resource-block {
    margin: 0 0 1.6rem;
    border: 1px solid var(--line);
    background: var(--white);
}

.resource-block-head {
    display: flex;
    align-items: center;
    gap: .7rem;
    padding: .55rem .9rem;
    border-bottom: 1px solid var(--line);
    font-family: var(--font-mono);
    font-size: .66rem;
    font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.resource-block-head .resource-kind {
    color: #fff;
    background: var(--royal);
    padding: .15rem .5rem;
}

.resource-block video,
.resource-block img {
    width: 100%;
    display: block;
}

.resource-block iframe {
    width: 100%;
    height: 540px;
    border: 0;
    display: block;
}

.resource-block .resource-text {
    padding: 1rem 1.2rem;
    white-space: pre-wrap;
    line-height: 1.7;
}

.resource-block .resource-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: .9rem 1.2rem;
    font-family: var(--font-mono);
    font-size: .8rem;
    color: var(--royal);
}

.player-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 2rem;
    padding-top: 1.4rem;
    border-top: 1px solid var(--line);
}

.lesson-done-badge {
    font-family: var(--font-mono);
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--royal);
    border: 1px solid var(--royal);
    padding: .5rem .9rem;
    background: rgba(30, 80, 160, .07);
}

/* ---------- sidebar contenido del curso ---------- */
.player-side {
    border: 1px solid var(--ink);
    background: var(--paper-2);
    position: sticky;
    top: calc(var(--header-h) + 1rem);
    max-height: calc(100vh - var(--header-h) - 2rem);
    overflow: auto;
}

.player-side-head {
    padding: .7rem 1rem;
    background: var(--ink);
    color: var(--paper);
    font-family: var(--font-mono);
    font-size: .68rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    position: sticky;
    top: 0;
}

.player-side .side-section {
    padding: .6rem 1rem .3rem;
    font-family: var(--font-display);
    font-size: .85rem;
    font-weight: 800;
    letter-spacing: .05em;
    text-transform: uppercase;
    color: var(--muted);
}

.player-side .lesson-row {
    padding: .6rem 1rem;
}

.player-side .lesson-row.is-current {
    background: rgba(30, 80, 160, .12);
    border-left: 3px solid var(--royal);
}

/* ---------- panel docente ---------- */
.panel-table {
    width: 100%;
    border-collapse: collapse;
    border: 1px solid var(--ink);
    background: var(--paper-2);
    font-size: .92rem;
}

.panel-table th {
    background: var(--ink);
    color: var(--paper);
    font-family: var(--font-mono);
    font-size: .66rem;
    font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;
    text-align: left;
    padding: .7rem .9rem;
}

.panel-table td {
    padding: .7rem .9rem;
    border-top: 1px solid var(--line);
    vertical-align: middle;
}

.panel-table tr:hover td {
    background: rgba(30, 80, 160, .05);
}

.panel-table input[type="number"],
.panel-table input[type="text"] {
    width: 80px;
    min-height: 38px;
    padding: .3rem .5rem;
    font-family: var(--font-mono);
    font-size: .85rem;
    border: 1px solid var(--line);
    border-radius: 0;
    background: var(--white);
}

.panel-table input[type="text"] {
    width: 100%;
}

.panel-table input:focus {
    outline: none;
    border-color: var(--royal);
}

.grade-chip {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: .72rem;
    font-weight: 600;
    padding: .2rem .55rem;
    border: 1px solid var(--ink);
}

.grade-chip.is-pass {
    color: var(--royal);
    border-color: var(--royal);
}

.grade-chip.is-fail {
    color: var(--terracotta);
    border-color: var(--terracotta);
}

.panel-card {
    border: 1px solid var(--ink);
    background: var(--paper-2);
    padding: 1.4rem;
    margin-bottom: 1.5rem;
}

.btn-table {
    min-height: 38px;
    padding: .4rem .8rem;
    font-size: .7rem;
}

@media (max-width: 960px) {
    .player-grid {
        grid-template-columns: 1fr;
    }

    .player-side {
        position: static;
        max-height: none;
    }

    .resource-block iframe {
        height: 420px;
    }
}

/* ---------- catálogo de cursos con portada ---------- */
.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.2rem;
    margin-top: 2.4rem;
}

.course-card {
    display: flex;
    flex-direction: column;
    border: 2px solid var(--ink);
    background: var(--paper-2);
    color: var(--ink);
    transition: transform .22s var(--ease), box-shadow .22s var(--ease);
}

a.course-card:hover {
    transform: translateY(-4px);
    box-shadow: 8px 8px 0 rgba(5, 5, 5, .9);
}

.course-card-cover {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 200px;
    padding: 1rem;
    border-bottom: 2px solid var(--ink);
    overflow: hidden;
}

.course-card-cover.has-image {
    padding: 0;
}

.course-card-cover.has-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.course-card-cover .cover-index {
    font-family: var(--font-mono);
    font-size: .66rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    opacity: .75;
}

.course-card-cover .cover-word {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 2.6rem;
    line-height: .82;
    text-transform: uppercase;
    overflow-wrap: anywhere;
}

.cover-v-royal { background: var(--royal); color: var(--paper); }
.cover-v-ink   { background: var(--ink); color: var(--paper); }
.cover-v-clay  { background: var(--clay); color: var(--paper); }
.cover-v-paper { background: var(--paper-2); color: var(--ink); }

.course-card-body {
    display: flex;
    flex-direction: column;
    gap: .5rem;
    flex: 1;
    padding: 1rem 1.1rem 1.2rem;
}

.course-card-body h3 {
    margin: 0;
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 800;
    letter-spacing: .03em;
    text-transform: uppercase;
}

.course-card-body p {
    margin: 0;
    flex: 1;
    font-size: .9rem;
    color: var(--muted);
}

.course-card-meta {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    font-family: var(--font-mono);
    font-size: .66rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--royal);
}