:root {
    --ink: #1b2a34;
    --navy: #1e3d52;
    --accent: #255978;
    --muted: #5d6d78;
    --paper: #f5f6f8;
    --line: #d6dde3;
    --amber: #c06824;
    --danger: #a8372e;
    --serif: Georgia, 'Times New Roman', serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    color: var(--ink);
    background: var(--paper);
    font: 16px/1.6 system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

body.has-player {
    padding-bottom: 130px;
}

a {
    color: inherit;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

button, input, textarea, select {
    font: inherit;
}

button, .button, .file-button {
    border: 1px solid var(--navy);
    border-radius: 7px;
    background: var(--navy);
    color: #fff;
    padding: 10px 16px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.88rem;
    font-weight: 600;
    line-height: 1.4;
    text-decoration: none;
    gap: 6px;
    white-space: nowrap;
}

button:hover, .button:hover {
    filter: brightness(0.93);
    text-decoration: none;
}

button:disabled {
    opacity: 0.45;
    cursor: default;
}

.secondary, .file-button {
    background: #fff;
    color: var(--navy);
    border-color: #bcc8d1;
}

.small-btn {
    padding: 7px 12px;
    font-size: 0.81rem;
}

.text-button {
    border: 0;
    background: transparent;
    color: var(--navy);
    padding: 6px 8px;
}

.install-pwa-btn {
    border: 1px solid var(--accent);
    background: transparent;
    color: var(--accent);
    font-size: 13px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 6px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: background 0.15s, color 0.15s;
}

.install-pwa-btn:hover {
    background: var(--accent);
    color: #fff;
}

.danger {
    color: var(--danger);
}

.danger-button {
    background: var(--danger);
    border-color: var(--danger);
    color: #fff;
}

.actions {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.site-header {
    max-width: 1240px;
    margin: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 5%;
    border-bottom: 1px solid var(--line);
    gap: 20px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font: 26px var(--serif);
    font-weight: bold;
}

.brand small {
    font: 9px system-ui;
    letter-spacing: 2px;
    display: block;
    margin-top: 6px;
    color: var(--muted);
}

.brand-mark {
    border: 1px solid #8ea3b3;
    border-radius: 50%;
    display: grid;
    place-items: center;
    width: 46px;
    height: 46px;
    font: 28px var(--serif);
    background: #fff;
    color: var(--navy);
}

nav {
    display: flex;
    align-items: center;
    gap: 22px;
    font-size: 13px;
}

nav form {
    margin: 0;
}

.admin-label {
    color: var(--muted);
    font-size: 11px;
}

main {
    max-width: 1160px;
    margin: auto;
    padding: 0 28px 60px;
    min-height: 75vh;
}

h1, h2, h3 {
    font-family: var(--serif);
    font-weight: normal;
    line-height: 1.18;
}

h1 {
    font-size: clamp(30px, 4vw, 48px);
    margin: 10px 0 16px;
    letter-spacing: -1px;
    overflow-wrap: anywhere;
}

h2 {
    font-size: 25px;
    margin: 0 0 10px;
}

h3 {
    font-size: 20px;
    margin: 0 0 8px;
    overflow-wrap: anywhere;
}

p {
    margin-top: 0;
}

code {
    font-size: 0.85em;
    background: #e9eef2;
    padding: 2px 6px;
    border-radius: 4px;
}

.eyebrow {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--muted);
    display: block;
}

.muted, small {
    color: var(--muted);
    font-size: 12px;
}

.hidden {
    display: none !important;
}

.toolbar {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px 0 18px;
}

.search {
    flex: 1;
    display: flex;
    align-items: center;
    border: 1px solid #c3ced7;
    border-radius: 7px;
    background: #fff;
    min-width: 180px;
    padding: 0 14px;
    gap: 10px;
}

.search span {
    font-size: 22px;
    line-height: 1;
}

.search input:not([type=checkbox]) {
    border: 0;
    margin: 0;
    padding: 9px 0;
    outline: none;
    min-width: 0;
}

.search kbd {
    font: 8px system-ui;
    letter-spacing: 1px;
    color: #8c9aa4;
    white-space: nowrap;
}

.resume-banner {
    background: #e5eff6;
    border: 1px solid #b6cedf;
    border-radius: 10px;
    padding: 16px 20px;
    margin: 8px 0 22px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.resume-text strong {
    font-size: 15px;
    display: block;
    margin-top: 2px;
}

.temario-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    margin-top: 10px;
}

.temario-card {
    border: 1px solid var(--line);
    border-radius: 12px;
    overflow: hidden;
    background: #fff;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.18s, box-shadow 0.18s;
}

.temario-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(27, 42, 52, 0.08);
}

.temario-card-main {
    display: block;
    flex: 1;
}

.temario-card-main:hover {
    text-decoration: none;
}

.temario-cover {
    height: 155px;
    background: linear-gradient(135deg, #1d394d, #2d5a78);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: space-between;
    padding: 18px;
    position: relative;
    overflow: hidden;
    color: #fff;
}

.temario-card:nth-child(3n+2) .temario-cover {
    background: linear-gradient(135deg, #29453c, #3d695b);
}

.temario-card:nth-child(3n) .temario-cover {
    background: linear-gradient(135deg, #3c344f, #584b73);
}

.cover-art {
    position: absolute;
    right: 12px;
    bottom: -18px;
    font-size: 96px;
    line-height: 1;
    color: rgba(255, 255, 255, 0.12);
    font-family: var(--serif);
    pointer-events: none;
}

.cover-caption {
    font-size: 10px;
    letter-spacing: 1.6px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.8);
}

.temario-cover h3 {
    margin: 0;
    font-size: 23px;
    line-height: 1.2;
    color: #fff;
    z-index: 1;
}

.temario-card-body {
    padding: 16px 18px 12px;
}

.temario-desc {
    font-size: 13.5px;
    color: var(--ink);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 12px;
    min-height: 42px;
}

.temario-meta {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    font-size: 12px;
    color: var(--muted);
}

.temario-card-footer {
    padding: 12px 18px 16px;
    border-top: 1px solid var(--line);
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    background: #fafbfc;
}

.empty {
    text-align: center;
    padding: 58px 20px;
}

.empty > span {
    font-size: 48px;
    display: block;
    margin-bottom: 10px;
}

.empty p {
    color: var(--muted);
    max-width: 520px;
    margin: 0 auto;
}

.panel {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 26px;
    margin: 20px 0;
}

label {
    display: block;
    font-size: 13px;
    font-weight: 600;
}

input:not([type=checkbox]):not([type=range]), textarea, select {
    display: block;
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #c2cdd6;
    border-radius: 6px;
    background: #fff;
    color: var(--ink);
    margin: 6px 0 14px;
    font-size: 15px;
}

input:focus, textarea:focus, select:focus {
    outline: 2px solid #86a8c0;
    outline-offset: 2px;
}

textarea {
    resize: vertical;
}

.back-link {
    display: inline-block;
    font-size: 13px;
    color: var(--muted);
    margin: 26px 0 14px;
}

.detail-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
}

.temario-lead {
    color: var(--muted);
    font-size: 15px;
    max-width: 720px;
    margin-bottom: 8px;
}

.facts {
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
    color: var(--muted);
    font-size: 12px;
    border-bottom: 1px solid var(--line);
    padding: 12px 0 22px;
    margin-bottom: 24px;
}

.facts b {
    color: var(--ink);
    font-size: 15px;
}

.section-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    margin: 18px 0 16px;
    flex-wrap: wrap;
}

.section-label h2 {
    margin: 0;
}

.section-label > span {
    font-size: 12px;
    color: var(--muted);
}

.ingest-grid {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: 22px;
    align-items: stretch;
}

.drop-zone {
    border: 2px dashed #9eb4c4;
    border-radius: 10px;
    background: #f8fafc;
    padding: 26px 20px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: border-color 0.15s, background 0.15s;
}

.drop-zone.drag-over {
    border-color: var(--navy);
    background: #e7f1f8;
}

.drop-icon {
    font-size: 32px;
}

.file-button {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    margin-top: 6px;
}

.file-button input[type=file] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
    margin: 0;
    width: 100%;
    height: 100%;
}

.url-ingest-box {
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 20px;
    background: #fcfdfe;
}

.upload-progress-area {
    margin-top: 18px;
    padding: 14px 16px;
    background: #edf4f9;
    border: 1px solid #c2d7e8;
    border-radius: 8px;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    margin-bottom: 8px;
}

.progress-bar-track {
    height: 10px;
    background: #d3e1ec;
    border-radius: 6px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: var(--navy);
    transition: width 0.2s ease;
}

.track-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.track-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    transition: border-color 0.15s, background 0.15s;
}

.track-card.active-track {
    border-color: var(--accent);
    background: #eef5fa;
    box-shadow: 0 0 0 1px var(--accent);
}

.track-main {
    display: flex;
    align-items: center;
    gap: 16px;
    flex: 1;
    min-width: 0;
}

.track-play-trigger {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    padding: 0;
    flex-shrink: 0;
    position: relative;
    background: #edf2f6;
    color: var(--navy);
    border: 1px solid #c5d2dc;
}

.track-card.active-track .track-play-trigger {
    background: var(--navy);
    color: #fff;
    border-color: var(--navy);
}

.track-num {
    font-size: 13px;
    font-weight: 700;
}

.track-play-icon {
    display: none;
    font-size: 15px;
}

.track-card:hover .track-num,
.track-card.active-track .track-num {
    display: none;
}

.track-card:hover .track-play-icon,
.track-card.active-track .track-play-icon {
    display: inline;
}

.track-info {
    flex: 1;
    min-width: 0;
}

.track-title {
    margin: 0 0 4px;
    font-size: 18px;
    cursor: pointer;
}

.track-title:hover {
    color: var(--accent);
}

.track-meta {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    font-size: 12px;
    color: var(--muted);
}

.track-inline-edit {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 6px;
}

.track-inline-edit input {
    margin: 0;
    max-width: 340px;
    padding: 6px 10px;
}

.track-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

/* Sticky Audio Player Bar */
.player-bar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 40;
    background: #142634;
    color: #fff;
    border-top: 1px solid #2b475c;
    box-shadow: 0 -6px 24px rgba(0, 0, 0, 0.22);
    padding: 12px 20px;
}

.player-bar.player-hidden {
    display: none;
}

.player-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr auto 1.8fr auto;
    align-items: center;
    gap: 18px;
}

.player-meta {
    min-width: 0;
}

.player-eyebrow {
    display: block;
    font-size: 9px;
    letter-spacing: 1.6px;
    color: #93b0c4;
    font-weight: 700;
}

.player-title {
    display: block;
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.player-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.icon-btn {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.16);
    color: #fff;
    padding: 6px 10px;
    font-size: 12px;
    border-radius: 6px;
}

.play-btn {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: #fff;
    color: #142634;
    border: 0;
    font-size: 16px;
    padding: 0;
}

.player-timeline {
    display: flex;
    align-items: center;
    gap: 10px;
}

.player-timeline input[type=range] {
    flex: 1;
    accent-color: #6ab4e8;
    cursor: pointer;
    margin: 0;
}

.time-readout {
    font-variant-numeric: tabular-nums;
    font-size: 12px;
    color: #bfd2e0;
    min-width: 42px;
    text-align: center;
}

.player-options {
    display: flex;
    align-items: center;
    gap: 10px;
}

.pill-btn {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #d6e4ee;
    padding: 6px 11px;
    font-size: 12px;
    border-radius: 999px;
}

.pill-btn.active {
    background: #2b648a;
    border-color: #5ca3d1;
    color: #fff;
}

.speed-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: #bfd2e0;
    margin: 0;
}

.speed-label select {
    width: auto;
    margin: 0;
    padding: 5px 8px;
    font-size: 12px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.22);
}

.speed-label select option {
    color: #142634;
    background: #fff;
}

.sticky-actions {
    position: sticky;
    bottom: 12px;
    background: rgba(245, 246, 248, 0.94);
    backdrop-filter: blur(8px);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 14px 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}

.sticky-actions > span {
    font-size: 12px;
    color: var(--muted);
}

.delete-area {
    margin-top: 32px;
}

.login {
    max-width: 460px;
    margin: 60px auto;
}

.login h1 {
    font-size: 34px;
}

.login form {
    margin: 26px 0;
}

.login form button {
    width: 100%;
}

.error {
    color: #9e382f;
    background: #fff0e9;
    border: 1px solid #ecd0c3;
    padding: 14px;
    border-radius: 6px;
}

.toast-notification {
    position: fixed;
    right: 20px;
    bottom: 96px;
    background: #1d394d;
    color: #fff;
    padding: 12px 18px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.22);
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
    transition: opacity 0.2s, transform 0.2s;
    z-index: 60;
}

.toast-notification.visible {
    opacity: 1;
    transform: translateY(0);
}

.site-footer {
    max-width: 1124px;
    margin: 20px auto;
    padding: 24px 28px;
    border-top: 1px solid var(--line);
    font: 18px var(--serif);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.site-footer span {
    font: 11px system-ui;
    color: var(--muted);
}

#blazor-error-ui {
    display: none;
    position: fixed;
    bottom: 0;
    width: 100%;
    background: #fff0e9;
    padding: 15px;
    z-index: 50;
}

#blazor-error-ui .dismiss {
    float: right;
}

.components-reconnect-hide {
    display: none;
}

.components-reconnect-show, .components-reconnect-failed, .components-reconnect-rejected {
    display: block !important;
    position: fixed;
    inset: auto 15px 15px;
    background: #fff4e5;
    border: 1px solid #d8b98a;
    padding: 18px;
    z-index: 55;
    border-radius: 8px;
    text-align: center;
}

@media (max-width: 960px) {
    .temario-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .ingest-grid {
        grid-template-columns: 1fr;
    }
    .player-inner {
        grid-template-columns: 1fr auto;
        gap: 10px;
    }
    .player-timeline {
        grid-column: 1 / -1;
    }
    .player-options {
        grid-column: 1 / -1;
        justify-content: space-between;
    }
    body.has-player {
        padding-bottom: 180px;
    }
}

@media (max-width: 600px) {
    main {
        padding: 0 16px 40px;
    }
    .site-header {
        padding: 18px 16px;
        flex-wrap: wrap;
    }
    nav {
        width: 100%;
        justify-content: space-between;
        gap: 10px;
        flex-wrap: wrap;
    }
    .admin-label, .search kbd {
        display: none;
    }
    .toolbar, .detail-heading {
        flex-direction: column;
        align-items: stretch;
    }
    .temario-grid {
        grid-template-columns: 1fr;
    }
    .track-card {
        flex-direction: column;
        align-items: stretch;
    }
    .track-actions {
        justify-content: flex-end;
        border-top: 1px solid var(--line);
        padding-top: 10px;
    }
    .speed-label span {
        display: none;
    }
    .site-footer {
        flex-direction: column;
        align-items: flex-start;
    }
}