/* NovelVerse Builder — VisualSaga layer */

.builder-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    align-items: start;
}

@media (min-width: 1024px) {
    .builder-layout {
        grid-template-columns: 280px minmax(0, 1fr);
    }
}

.builder-sidebar {
    background: rgba(8, 17, 31, 0.55);
    border: 1px solid rgba(28, 25, 23, 0.9);
    border-radius: 1rem;
    padding: 1.25rem;
    backdrop-filter: blur(8px);
    position: sticky;
    top: 6.5rem;
}

.builder-panel {
    background: rgba(8, 17, 31, 0.45);
    border: 1px solid rgba(28, 25, 23, 0.9);
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 1.25rem;
    backdrop-filter: blur(6px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

.builder-panel-title {
    font-family: 'Cinzel', Georgia, serif;
    font-size: 1.35rem;
    color: #fafaf9;
    margin: 0 0 1rem;
    letter-spacing: 0.02em;
}

.builder-panel-subtitle {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: #22d3ee;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    margin-bottom: 0.35rem;
}

.builder-meta {
    color: #a8a29e;
    font-size: 0.88rem;
    line-height: 1.55;
}

.builder-form-grid {
    display: grid;
    gap: 1rem;
}

.builder-form-grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
}

.builder-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.65rem 1.1rem;
    border-radius: 0.65rem;
    font-size: 0.68rem;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.builder-btn-primary {
    background: linear-gradient(to right, #06b6d4, #2563eb);
    color: #fff;
    box-shadow: 0 4px 20px rgba(34, 211, 238, 0.2);
}

.builder-btn-primary:hover {
    background: linear-gradient(to right, #22d3ee, #3b82f6);
    box-shadow: 0 4px 28px rgba(34, 211, 238, 0.3);
}

.builder-btn-outline {
    background: rgba(12, 10, 9, 0.5);
    border-color: rgba(41, 37, 36, 0.9);
    color: #d6d3d1;
}

.builder-btn-outline:hover {
    border-color: rgba(34, 211, 238, 0.35);
    color: #fafaf9;
    background: rgba(8, 47, 73, 0.2);
}

.builder-btn-danger {
    background: rgba(127, 29, 29, 0.15);
    border-color: rgba(127, 29, 29, 0.35);
    color: #fca5a5;
}

.builder-btn-danger:hover {
    background: rgba(127, 29, 29, 0.28);
    color: #fecaca;
}

.builder-btn-sm {
    padding: 0.4rem 0.75rem;
    font-size: 0.62rem;
}

.builder-btn-block {
    width: 100%;
}

.builder-chapter-list {
    list-style: none;
    padding: 0;
    margin: 0.75rem 0 0;
}

.builder-chapter-list li {
    padding: 0.65rem 0.8rem;
    border-radius: 0.55rem;
    margin-bottom: 0.35rem;
    font-size: 0.85rem;
    background: rgba(5, 7, 13, 0.65);
    border: 1px solid rgba(28, 25, 23, 0.8);
    color: #d6d3d1;
}

.builder-scene-item {
    background: rgba(5, 7, 13, 0.55);
    border: 1px solid rgba(28, 25, 23, 0.85);
    border-radius: 0.85rem;
    padding: 1.1rem;
    margin-bottom: 0.85rem;
    transition: border-color 0.25s ease;
}

.builder-scene-item:hover {
    border-color: rgba(34, 211, 238, 0.15);
}

.builder-scene-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.scene-type {
    font-size: 0.62rem;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.1em;
    padding: 0.2rem 0.5rem;
    border-radius: 999px;
    background: rgba(8, 47, 73, 0.35);
    color: #67e8f9;
    border: 1px solid rgba(34, 211, 238, 0.25);
    font-family: 'JetBrains Mono', monospace;
}

.scene-type.choice {
    background: rgba(69, 26, 3, 0.25);
    color: #fcd34d;
    border-color: rgba(245, 158, 11, 0.3);
}

.scene-type.end {
    background: rgba(88, 28, 135, 0.2);
    color: #e9d5ff;
    border-color: rgba(168, 85, 247, 0.3);
}

.tag-start {
    color: #fbbf24;
    font-size: 0.72rem;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
}

.choice-tag {
    display: block;
    font-size: 0.78rem;
    color: #a8a29e;
    margin-top: 0.35rem;
    padding: 0.35rem 0.5rem;
    border-left: 2px solid rgba(34, 211, 238, 0.25);
    font-family: 'JetBrains Mono', monospace;
}

.character-name {
    color: #22d3ee;
    font-weight: 600;
    font-size: 0.82rem;
    margin-top: 0.5rem;
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.inline-form { display: inline; }

.builder-checkbox {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    cursor: pointer;
    font-size: 0.88rem;
    color: #d6d3d1;
}

.builder-checkbox input {
    width: auto;
    accent-color: #22d3ee;
}

/* Cover gradients */
.cover-from-indigo-600-to-purple-800 { background: linear-gradient(135deg, #4f46e5, #6b21a8); }
.cover-from-amber-700-to-indigo-900 { background: linear-gradient(135deg, #b45309, #312e81); }
.cover-from-slate-700-to-slate-900 { background: linear-gradient(135deg, #334155, #0f172a); }
.cover-from-rose-900-to-purple-900 { background: linear-gradient(135deg, #881337, #581c87); }
.cover-night-city { background: linear-gradient(135deg, #1e1b4b, #312e81); }
.cover-old-library { background: linear-gradient(135deg, #78350f, #451a03); }
.cover-forest-path { background: linear-gradient(135deg, #14532d, #052e16); }
.cover-sunset-beach { background: linear-gradient(135deg, #9a3412, #7c2d12); }

/* Scene backgrounds */
.bg-night-city { background-image: url('/images/backgrounds/night-city.svg'); }
.bg-old-library { background-image: url('/images/backgrounds/old-library.svg'); }
.bg-forest-path { background-image: url('/images/backgrounds/forest-path.svg'); }
.bg-sunset-beach { background-image: url('/images/backgrounds/sunset-beach.svg'); }
.bg-mystery-room { background-image: url('/images/backgrounds/mystery-room.svg'); }
.bg-rain-street { background-image: url('/images/backgrounds/rain-street.svg'); }

.novel-cover-preview-block { margin-bottom: 1rem; }
.novel-cover-preview-block .novel-cover {
    margin-top: 0.6rem;
    border-radius: 0.75rem;
    border: 1px solid rgba(28, 25, 23, 0.9);
}

.cover-picker,
.background-picker {
    margin-top: 0.25rem;
    min-width: 0;
}

.cover-presets,
.background-presets {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 6.5rem), 1fr));
    gap: 0.65rem;
    margin: 0.65rem 0 1rem;
}

.cover-preset-option,
.background-preset-option {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    cursor: pointer;
    position: relative;
    min-width: 0;
}

.cover-preset-option input,
.background-preset-option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.cover-preset-thumb,
.background-preset-thumb {
    display: block;
    height: 88px;
    border-radius: 0.55rem;
    border: 2px solid transparent;
    background-size: cover;
    background-position: center;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.background-preset-thumb { height: 72px; }

.cover-preset-option input:checked + .cover-preset-thumb,
.background-preset-option input:checked + .background-preset-thumb {
    border-color: #22d3ee;
    box-shadow: 0 0 0 2px rgba(34, 211, 238, 0.2), 0 0 18px rgba(34, 211, 238, 0.15);
}

.cover-preset-label,
.background-preset-label {
    font-size: 0.68rem;
    color: #a8a29e;
    line-height: 1.3;
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.cover-upload,
.background-upload {
    padding-top: 0.85rem;
    border-top: 1px solid rgba(28, 25, 23, 0.85);
}

.file-upload { margin-top: 0.25rem; max-width: 100%; min-width: 0; }

.file-upload-title {
    margin: 0 0 0.65rem;
    font-size: 0.72rem;
    font-weight: 600;
    color: #a8a29e;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-family: 'JetBrains Mono', monospace;
}

.file-upload-control {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    max-width: 100%;
}

.file-upload-input {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.file-upload-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    border-radius: 0.65rem;
    border: 1px dashed rgba(34, 211, 238, 0.35);
    background: rgba(8, 47, 73, 0.15);
    color: #67e8f9;
    font-size: 0.72rem;
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
}

.file-upload-btn:hover {
    background: rgba(8, 47, 73, 0.35);
    border-color: rgba(34, 211, 238, 0.55);
    color: #a5f3fc;
}

.file-upload-control:focus-within .file-upload-btn,
.file-upload-input:focus-visible + .file-upload-btn {
    border-color: #22d3ee;
    box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.12);
}

.file-upload-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    opacity: 0.9;
}

.file-upload-name {
    font-size: 0.78rem;
    color: #78716c;
    flex: 1 1 auto;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-family: 'JetBrains Mono', monospace;
}

.file-upload-name.is-selected { color: #d6d3d1; }

.file-upload-hint {
    margin: 0.55rem 0 0;
    font-size: 0.72rem;
    color: #78716c;
    line-height: 1.45;
}

.music-upload-block,
.video-upload-block {
    margin-top: 0.5rem;
    padding-top: 0.85rem;
    border-top: 1px solid rgba(28, 25, 23, 0.85);
}

.audio-preview-wrap,
.video-preview-wrap {
    margin-bottom: 0.75rem;
}

.audio-preview-label,
.video-preview-label {
    display: block;
    font-size: 0.68rem;
    color: #a8a29e;
    margin-bottom: 0.4rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-family: 'JetBrains Mono', monospace;
}

.audio-preview {
    width: 100%;
    max-width: 100%;
    height: 36px;
}

.video-preview {
    width: 100%;
    max-width: 100%;
    max-height: 220px;
    border-radius: 0.65rem;
    background: #000;
    border: 1px solid rgba(28, 25, 23, 0.9);
}

.chapter-video-item {
    padding: 1rem 0;
    border-bottom: 1px solid rgba(28, 25, 23, 0.85);
}

.chapter-video-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.chapter-video-form { margin-top: 0.65rem; }

.scene-background-block {
    margin-top: 0.85rem;
    padding-top: 0.85rem;
    border-top: 1px solid rgba(28, 25, 23, 0.85);
}

.scene-background-preview {
    position: relative;
    margin: 0.6rem 0;
    border-radius: 0.65rem;
    overflow: hidden;
    border: 1px solid rgba(28, 25, 23, 0.9);
    height: 120px;
    background: rgba(5, 7, 13, 0.8);
}

.scene-background-preview img,
.scene-background-preview-preset {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.scene-background-preview-preset {
    background-size: cover;
    background-position: center;
}

.scene-background-badge {
    position: absolute;
    left: 0.6rem;
    bottom: 0.6rem;
    padding: 0.2rem 0.5rem;
    border-radius: 999px;
    background: rgba(5, 7, 13, 0.85);
    color: #a5f3fc;
    font-size: 0.62rem;
    border: 1px solid rgba(34, 211, 238, 0.25);
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.background-remove-check {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    margin-top: 0.65rem;
    font-size: 0.82rem;
    color: #a8a29e;
    cursor: pointer;
}

.background-remove-check input { width: auto; accent-color: #22d3ee; }

.builder-divider {
    border-top: 1px solid rgba(28, 25, 23, 0.85);
    margin: 0.85rem 0;
    padding-top: 0.85rem;
}

@media (max-width: 768px) {
    .builder-sidebar { position: static; }
    .builder-panel { padding: 1.1rem; }
    .cover-presets,
    .background-presets { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .cover-preset-thumb { height: 76px; }
    .builder-form-grid-2 { grid-template-columns: 1fr; }
    .file-upload-control { flex-direction: column; align-items: stretch; }
    .file-upload-btn { width: 100%; }
    .file-upload-name { white-space: normal; word-break: break-word; text-align: center; }
    .builder-scene-header { flex-direction: column; }
}