/* Houston's Focus Points — Design System */
/* Palette: deep brick red, cream, charcoal, brass */

* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    /* Houston's palette */
    --brick:    #7A2E1D;   /* deep brick red — primary accent */
    --brick-lt: #A03A22;   /* lighter brick for hover */
    --cream:    #F5F0E8;   /* warm cream — page background */
    --cream-dk: #EDE6D6;   /* slightly darker cream — card backgrounds */
    --charcoal: #2A2420;   /* near-black charcoal — primary text */
    --char-mid: #4A3F3A;   /* mid charcoal — secondary text */
    --char-lt:  #7A6F69;   /* light charcoal — muted text */
    --brass:    #B8972A;   /* brass / gold — highlights */
    --brass-lt: #D4B24A;   /* lighter brass */
    --border:   #D8CFC0;   /* warm border */
    --white:    #FFFFFF;
    --success:  #4A7A3A;
    --error:    #7A2E1D;

    /* Typography */
    --font-serif: Georgia, 'Palatino Linotype', Palatino, serif;
    --font-sans:  'Helvetica Neue', Helvetica, Arial, sans-serif;
}

body {
    font-family: var(--font-serif);
    font-size: 16px;
    line-height: 1.6;
    background: var(--cream);
    color: var(--charcoal);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* ── Review Mosaic Background ── */
.review-mosaic {
    position: fixed;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}

.review-tile {
    position: absolute;
    max-width: 280px;
    padding: 14px 18px;
    font-family: var(--font-serif);
    font-size: 13px;
    font-style: italic;
    line-height: 1.55;
    color: var(--char-mid);
    opacity: 0;
    transition: opacity 0.8s ease;
    /* Subtle warm background for contrast without shouting */
    background: rgba(245, 240, 232, 0.72);
    border-left: 2px solid var(--brass);
}

.review-tile.visible {
    opacity: 0.72;
}

.review-tile--fact {
    font-style: normal;
    border-left-color: var(--brick);
    color: var(--char-mid);
}

.review-tile-source {
    display: block;
    margin-top: 6px;
    font-size: 10px;
    font-style: normal;
    letter-spacing: 0.5px;
    color: var(--brass);
    font-family: var(--font-sans);
}

@media (prefers-reduced-motion: reduce) {
    .review-tile { transition: none; }
}

/* ── Featured Tile (generating view) ── */
.featured-tile {
    margin: 0 auto 28px;
    max-width: 560px;
    background: var(--white);
    border: 1px solid var(--border);
    border-top: 3px solid var(--brass);
    padding: 28px 32px;
    text-align: center;
}

.featured-tile-inner {
    transition: opacity 0.6s ease;
}

.featured-tile-inner.fading {
    opacity: 0;
}

.featured-tile-label {
    font-family: var(--font-sans);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--brass);
    margin-bottom: 14px;
}

.featured-tile-text {
    font-family: var(--font-serif);
    font-size: 15px;
    font-style: italic;
    line-height: 1.65;
    color: var(--charcoal);
    margin-bottom: 12px;
}

.featured-tile-source {
    font-family: var(--font-sans);
    font-size: 10px;
    color: var(--char-lt);
    letter-spacing: 0.4px;
    line-height: 1.5;
}

@media (prefers-reduced-motion: reduce) {
    .featured-tile-inner { transition: none; }
    .featured-tile-inner.fading { opacity: 1; }
}

/* ── Header ── */
.header {
    position: relative;
    z-index: 10;
    width: 100%;
    padding: 20px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
    background: var(--cream);
}

.logo { text-align: center; flex: 1; }

.logo h1 {
    font-family: var(--font-serif);
    font-size: 13px;
    font-weight: 400;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--charcoal);
}

.logo-divider {
    width: 28px;
    height: 1px;
    background: var(--brass);
    margin: 8px auto;
}

.logo .subtitle {
    font-family: var(--font-sans);
    font-size: 10px;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--char-lt);
    font-weight: 400;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* ── Buttons ── */
.btn {
    display: inline-block;
    padding: 12px 28px;
    font-family: var(--font-sans);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    text-align: center;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--brick);
    color: var(--cream);
}
.btn-primary:hover:not(:disabled) { background: var(--brick-lt); }

.btn-secondary {
    background: transparent;
    color: var(--charcoal);
    border: 1px solid var(--border);
}
.btn-secondary:hover:not(:disabled) { border-color: var(--charcoal); }

.btn-brass {
    background: var(--brass);
    color: var(--charcoal);
}
.btn-brass:hover:not(:disabled) { background: var(--brass-lt); }

.btn-sm {
    padding: 8px 16px;
    font-size: 9px;
    letter-spacing: 1.5px;
}

.btn-icon {
    padding: 8px 12px;
    font-size: 16px;
    letter-spacing: 0;
    line-height: 1;
}

/* ── Main Container ── */
.container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 960px;
    padding: 48px 24px 80px;
    flex: 1;
}

/* wide layout for editor view */
.container.editor-layout {
    max-width: 1200px;
}

/* ── Upload View ── */
#view-upload { width: 100%; }

.upload-hero {
    max-width: 560px;
    margin: 0 auto 56px;
}

.drop-zone {
    border: 1px solid var(--border);
    padding: 64px 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--white);
}

.drop-zone:hover,
.drop-zone.drag-over {
    border-color: var(--brick);
    background: #FDFAF8;
}

.drop-zone.has-file {
    border-color: var(--brick);
}

.drop-zone-content svg {
    color: var(--border);
    margin-bottom: 20px;
}

.drop-zone.has-file .drop-zone-content svg {
    color: var(--brick);
}

.drop-text {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 400;
    color: var(--charcoal);
    margin-bottom: 6px;
}

.drop-hint {
    font-family: var(--font-sans);
    font-size: 10px;
    color: var(--char-lt);
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.file-name {
    text-align: center;
    margin-top: 14px;
    font-family: var(--font-sans);
    font-size: 12px;
    color: var(--brick);
    font-weight: 600;
}

#generate-btn {
    display: block;
    width: 100%;
    margin-top: 20px;
    padding: 16px;
}

/* ── Library ── */
.library-section {
    margin-top: 56px;
    padding-top: 40px;
    border-top: 1px solid var(--border);
}

.library-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 28px;
}

.library-header h2 {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 400;
    color: var(--charcoal);
}

.library-header .section-rule {
    flex: 1;
    height: 1px;
    background: var(--border);
    margin: 0 16px;
}

.library-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
}

.library-card {
    background: var(--white);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: border-color 0.2s;
}

.library-card:hover { border-color: var(--brass); }

.library-thumb {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    display: block;
    background: var(--cream-dk);
}

.library-thumb-placeholder {
    width: 100%;
    aspect-ratio: 4/3;
    background: var(--cream-dk);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-sans);
    font-size: 10px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--char-lt);
}

.library-card-body {
    padding: 14px 16px;
}

.library-date {
    font-family: var(--font-serif);
    font-size: 15px;
    font-weight: 400;
    color: var(--charcoal);
    margin-bottom: 4px;
}

.library-meta {
    font-family: var(--font-sans);
    font-size: 10px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--char-lt);
    margin-bottom: 14px;
}

.library-card-actions {
    display: flex;
    gap: 8px;
}

.library-card-actions .btn { flex: 1; text-align: center; }

.library-loading, .library-empty {
    font-family: var(--font-sans);
    font-size: 12px;
    color: var(--char-lt);
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 24px 0;
    text-align: center;
}

/* ── Generating View ── */
#view-generating { width: 100%; }

.gen-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.gen-header h2 {
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 400;
    color: var(--charcoal);
}

.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid var(--border);
    border-top-color: var(--brick);
    border-radius: 50%;
    animation: spin 0.9s linear infinite;
    flex-shrink: 0;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* Honest progress bar */
.progress-bar-wrap {
    width: 100%;
    height: 3px;
    background: var(--border);
    margin-bottom: 24px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: var(--brick);
    width: 0%;
    transition: width 0.6s ease;
}

.progress-elapsed {
    font-family: var(--font-sans);
    font-size: 11px;
    color: var(--char-lt);
    text-align: right;
    margin-bottom: 4px;
    letter-spacing: 0.5px;
}

/* Stage steps */
.progress-steps {
    background: var(--white);
    border: 1px solid var(--border);
    margin-bottom: 32px;
}

.step {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
}

.step:last-child { border-bottom: none; }

.step-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--border);
    flex-shrink: 0;
    transition: all 0.4s;
}

.step.active .step-dot {
    background: var(--brick);
    box-shadow: 0 0 0 4px rgba(122, 46, 29, 0.12);
}

.step.complete .step-dot { background: var(--success); }

.step-info { display: flex; flex-direction: column; gap: 2px; }

.step-label {
    font-family: var(--font-sans);
    font-size: 12px;
    font-weight: 400;
    color: var(--char-lt);
}

.step.active .step-label,
.step.complete .step-label {
    color: var(--charcoal);
    font-weight: 700;
}

.step-message {
    font-family: var(--font-sans);
    font-size: 11px;
    color: var(--char-lt);
}

.step.active .step-message { color: var(--brick); }

/* Live slide skeleton strip */
.live-strip-label {
    font-family: var(--font-sans);
    font-size: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--char-lt);
    margin-bottom: 12px;
}

.live-strip {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    padding-bottom: 8px;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}

.live-slide {
    flex-shrink: 0;
    width: 140px;
    border: 1px solid var(--border);
    background: var(--white);
    overflow: hidden;
}

.live-slide-img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    display: block;
    background: var(--cream-dk);
}

.live-slide-skeleton {
    width: 100%;
    aspect-ratio: 4/3;
    background: linear-gradient(90deg, var(--cream-dk) 25%, var(--border) 50%, var(--cream-dk) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.live-slide-label {
    font-family: var(--font-sans);
    font-size: 9px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--char-lt);
    padding: 6px 8px;
    text-align: center;
}

.live-slide.ready .live-slide-label { color: var(--brick); }

/* audio ready indicator */
.live-slide-audio {
    font-size: 12px;
    display: inline-block;
    margin-left: 4px;
    opacity: 0;
    transition: opacity 0.3s;
}
.live-slide.audio-ready .live-slide-audio { opacity: 1; }

/* ── Date Prompt ── */
.date-box {
    background: var(--white);
    border: 1px solid var(--border);
    padding: 48px 36px;
    text-align: center;
    max-width: 480px;
    margin: 0 auto;
}

.date-box h2 {
    font-family: var(--font-serif);
    font-size: 22px;
    margin-bottom: 12px;
    font-weight: 400;
    color: var(--charcoal);
}

.date-hint {
    font-family: var(--font-sans);
    font-size: 12px;
    color: var(--char-lt);
    margin-bottom: 24px;
    line-height: 1.6;
}

.date-input {
    font-family: var(--font-sans);
    font-size: 14px;
    padding: 11px 14px;
    border: 1px solid var(--border);
    background: var(--white);
    margin-bottom: 20px;
    min-width: 200px;
    text-align: center;
    color: var(--charcoal);
}

.date-input:focus {
    outline: none;
    border-color: var(--brick);
}

#date-section .btn {
    display: block;
    margin: 0 auto;
    min-width: 180px;
}

/* ── Clarify Section ── */
.clarify-q { margin-bottom: 20px; text-align: left; }

.clarify-label {
    font-family: var(--font-serif);
    font-size: 15px;
    margin-bottom: 8px;
    color: var(--charcoal);
}

.clarify-input {
    width: 100%;
    max-width: 400px;
    text-align: left;
    margin-bottom: 4px;
}

/* ── Error ── */
.error-box {
    background: var(--white);
    border: 1px solid var(--border);
    padding: 48px 36px;
    text-align: center;
    max-width: 480px;
    margin: 0 auto;
}

.error-box h2 {
    font-family: var(--font-serif);
    font-size: 22px;
    color: var(--error);
    margin-bottom: 14px;
    font-weight: 400;
}

.error-box p {
    font-family: var(--font-sans);
    font-size: 13px;
    color: var(--char-lt);
    margin-bottom: 28px;
    line-height: 1.6;
}

/* ── Editor View ── */
#view-editor { width: 100%; }

.editor-top {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 20px;
    align-items: start;
    margin-bottom: 36px;
}

.editor-video-wrap { width: 100%; }

.editor-video-wrap video {
    width: 100%;
    background: #111;
    display: block;
    border: 1px solid var(--border);
}

.editor-video-title {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 400;
    color: var(--charcoal);
    margin-bottom: 10px;
}

.editor-video-meta {
    font-family: var(--font-sans);
    font-size: 10px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--char-lt);
    margin-top: 8px;
}

.editor-video-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    flex-wrap: wrap;
}

.editor-sidebar {
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-width: 160px;
}

/* Slide cards in editor */
.editor-slides-label {
    font-family: var(--font-sans);
    font-size: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--char-lt);
    margin-bottom: 12px;
    margin-top: 8px;
}

.editor-slides {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.editor-slide-card {
    background: var(--white);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: border-color 0.2s;
}

.editor-slide-card.saving {
    opacity: 0.7;
    pointer-events: none;
}

.editor-slide-card.saved {
    border-color: var(--success);
}

.editor-slide-top {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 0;
}

.editor-slide-thumb {
    width: 140px;
    aspect-ratio: 4/3;
    object-fit: cover;
    display: block;
    background: var(--cream-dk);
    flex-shrink: 0;
}

.editor-slide-thumb-placeholder {
    width: 140px;
    aspect-ratio: 4/3;
    background: var(--cream-dk);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.editor-slide-fields {
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-width: 0;
}

.editor-slide-num {
    font-family: var(--font-sans);
    font-size: 9px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--brass);
    font-weight: 700;
}

.editor-slide-card textarea {
    width: 100%;
    font-family: var(--font-sans);
    font-size: 13px;
    line-height: 1.5;
    color: var(--charcoal);
    background: var(--cream);
    border: 1px solid var(--border);
    padding: 8px 10px;
    resize: vertical;
}

.editor-slide-card textarea:focus {
    outline: none;
    border-color: var(--brick);
}

.editor-slide-card textarea.caption-field { font-weight: 600; }

.field-label {
    font-family: var(--font-sans);
    font-size: 9px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--char-lt);
    margin-bottom: 3px;
}

.prompt-toggle {
    font-family: var(--font-sans);
    font-size: 9px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--char-lt);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    text-decoration: underline;
    text-underline-offset: 2px;
}
.prompt-toggle:hover { color: var(--brick); }

.prompt-wrap { margin-top: 4px; }
.prompt-wrap[hidden] { display: none; }

.editor-slide-bottom {
    padding: 10px 16px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    background: var(--cream);
}

.audio-preview-btn {
    font-size: 16px;
    background: none;
    border: 1px solid var(--border);
    cursor: pointer;
    padding: 5px 10px;
    border-radius: 2px;
    transition: border-color 0.2s;
    line-height: 1;
}
.audio-preview-btn:hover { border-color: var(--brick); }

.slide-save-msg {
    font-family: var(--font-sans);
    font-size: 10px;
    color: var(--success);
    letter-spacing: 0.5px;
    opacity: 0;
    transition: opacity 0.4s;
    margin-left: auto;
}
.slide-save-msg.visible { opacity: 1; }

.reroll-direction {
    font-family: var(--font-sans);
    font-size: 12px;
    padding: 6px 10px;
    border: 1px solid var(--border);
    background: var(--white);
    color: var(--charcoal);
    flex: 1;
    min-width: 0;
}
.reroll-direction:focus { outline: none; border-color: var(--brick); }

/* ── Revision chat box ── */
.revision-box {
    margin-top: 36px;
    padding-top: 28px;
    border-top: 1px solid var(--border);
}

.revision-box-title {
    font-family: var(--font-sans);
    font-size: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--char-lt);
    margin-bottom: 14px;
}

.revision-box textarea {
    width: 100%;
    padding: 12px 14px;
    font-family: var(--font-sans);
    font-size: 13px;
    line-height: 1.5;
    color: var(--charcoal);
    background: var(--white);
    border: 1px solid var(--border);
    resize: vertical;
    margin-bottom: 10px;
}

.revision-box textarea:focus {
    outline: none;
    border-color: var(--brick);
}

.revision-box textarea::placeholder {
    color: var(--char-lt);
    font-style: italic;
}

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

/* ── Feedback box ── */
.feedback-box {
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.feedback-label {
    font-family: var(--font-sans);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--char-lt);
    margin-bottom: 10px;
}

.feedback-box textarea {
    width: 100%;
    padding: 12px 14px;
    font-family: var(--font-sans);
    font-size: 13px;
    line-height: 1.5;
    color: var(--charcoal);
    background: var(--white);
    border: 1px solid var(--border);
    resize: vertical;
    margin-bottom: 10px;
}

.feedback-box textarea:focus {
    outline: none;
    border-color: var(--brick);
}

.feedback-box textarea::placeholder {
    color: var(--char-lt);
    font-style: italic;
}

.feedback-thanks {
    font-family: var(--font-serif);
    font-size: 14px;
    color: var(--success);
    font-style: italic;
    margin-top: 4px;
}

/* ── Progress generic message ── */
.progress-generic {
    font-family: var(--font-sans);
    font-size: 11px;
    color: var(--char-lt);
    text-align: center;
    margin-bottom: 12px;
    min-height: 16px;
}

/* ── Glossary Modal ── */
.modal-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(42, 36, 32, 0.55);
    z-index: 100;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-backdrop.open {
    display: flex;
}

.modal {
    background: var(--white);
    border: 1px solid var(--border);
    width: 100%;
    max-width: 540px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px 16px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.modal-header h3 {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 400;
    color: var(--charcoal);
}

.modal-close {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 20px;
    color: var(--char-lt);
    padding: 4px;
    line-height: 1;
}
.modal-close:hover { color: var(--charcoal); }

.modal-body {
    padding: 20px 24px;
    overflow-y: auto;
    flex: 1;
}

.glossary-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 24px;
}

.glossary-item {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 8px;
    align-items: center;
    padding: 10px 12px;
    background: var(--cream);
    border: 1px solid var(--border);
}

.glossary-item input {
    font-family: var(--font-sans);
    font-size: 13px;
    padding: 6px 8px;
    border: 1px solid transparent;
    background: transparent;
    color: var(--charcoal);
    width: 100%;
}
.glossary-item input:focus {
    outline: none;
    border-color: var(--brick);
    background: var(--white);
}

.glossary-delete-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--char-lt);
    font-size: 16px;
    padding: 4px;
    line-height: 1;
}
.glossary-delete-btn:hover { color: var(--error); }

.glossary-add-row {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 8px;
    align-items: center;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.glossary-add-row input {
    font-family: var(--font-sans);
    font-size: 13px;
    padding: 8px 10px;
    border: 1px solid var(--border);
    background: var(--white);
    color: var(--charcoal);
    width: 100%;
}
.glossary-add-row input:focus {
    outline: none;
    border-color: var(--brick);
}

.glossary-empty {
    font-family: var(--font-sans);
    font-size: 12px;
    color: var(--char-lt);
    font-style: italic;
    text-align: center;
    padding: 16px 0;
}

.modal-footer {
    padding: 14px 24px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    flex-shrink: 0;
}

/* ── Footer ── */
.footer {
    position: relative;
    z-index: 1;
    width: 100%;
    padding: 18px 32px;
    text-align: center;
    border-top: 1px solid var(--border);
    background: var(--cream);
    font-family: var(--font-serif);
    font-size: 13px;
    color: var(--char-lt);
    letter-spacing: 0.5px;
}

/* ── Mobile / Responsive ── */
@media (max-width: 720px) {
    .header { padding: 16px 20px; }
    .container { padding: 32px 16px 60px; }

    .drop-zone { padding: 48px 20px; }

    .library-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 14px; }

    .editor-top { grid-template-columns: 1fr; }
    .editor-sidebar { flex-direction: row; flex-wrap: wrap; }

    .editor-slide-top { grid-template-columns: 100px 1fr; }
    .editor-slide-thumb { width: 100px; }
    .editor-slide-thumb-placeholder { width: 100px; }

    .editor-video-actions { gap: 6px; }
    .editor-video-actions .btn { font-size: 9px; padding: 10px 14px; }

    .revision-box-actions { flex-direction: column; align-items: stretch; }

    .glossary-item { grid-template-columns: 1fr auto; }
    .glossary-item input:nth-child(2) { display: none; }
    .glossary-add-row { grid-template-columns: 1fr auto; }
    .glossary-add-row input:nth-child(2) { display: none; }
}

@media (max-width: 480px) {
    .library-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
    .library-card-actions { flex-direction: column; }
    .result-actions, .editor-video-actions { flex-direction: column; }
    .result-actions .btn, .editor-video-actions .btn { width: 100%; }
    .modal { max-height: 90vh; }
}