:root {
    --bg-dark: #0f0f11;
    --bg-panel: #1a1a1e;
    --text-main: #e0e0e0;
    --text-muted: #888890;
    --accent: #5e5ce6;
    --accent-hover: #7b78ff;
    --red: #ff453a;
    --green: #32d74b;
    --yellow: #ffd60a;
    --border: #2a2a30;
    --bg-light: #222226;
}

body.theme-light {
    --bg-dark: #f0f0f5;
    --bg-panel: #ffffff;
    --bg-light: #e6e6ec;
    --text-main: #1a1a1e;
    --text-muted: #555560;
    --accent: #4a48d6;
    --accent-hover: #3a38b6;
    --red: #d32f2f;
    --green: #2e7d32;
    --yellow: #f57f17;
    --border: #d0d0d8;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    padding: 0;
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Courier New', Courier, monospace;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    background-color: var(--bg-panel);
    border-bottom: 1px solid var(--border);
}

.topbar h1 {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 400;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.topbar h1 span {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.nav-tabs {
    display: flex;
    gap: 10px;
}

.nav-tabs button {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1rem;
    cursor: pointer;
    padding: 5px 10px;
    border-bottom: 2px solid transparent;
}

.nav-tabs button.active {
    color: var(--text-main);
    border-bottom: 2px solid var(--accent);
}

button {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--border);
    padding: 8px 16px;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.2s;
}

button:hover {
    border-color: var(--text-muted);
}

button.primary {
    background-color: var(--text-main);
    color: var(--bg-dark);
    border-color: var(--text-main);
}

button.primary:hover {
    background-color: #fff;
}

.split-view {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.editor-pane {
    flex: 6;
    padding: 20px;
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
}

.chapter-bar {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px dashed var(--border);
}

.chapter-bar label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

#chapter-select {
    background: var(--bg-dark);
    color: var(--text-main);
    border: 1px solid var(--border);
    padding: 5px 10px;
    font-family: inherit;
    outline: none;
    cursor: pointer;
}

.btn-small {
    padding: 4px 10px;
    font-size: 0.85rem;
}

.regie-panel {
    background: var(--bg-dark);
    border: 1px solid var(--border);
    padding: 15px;
    margin-bottom: 15px;
}

.regie-panel summary {
    cursor: pointer;
    font-weight: bold;
    color: var(--text-main);
    outline: none;
}

.regie-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 15px;
    margin-bottom: 15px;
}

.regie-grid label, .regie-panel label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 5px;
}

.regie-grid input {
    width: 100%;
    background: var(--bg-light);
    border: 1px solid var(--border);
    color: var(--text-main);
    padding: 5px 8px;
    font-family: inherit;
    outline: none;
}

.beats-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

.beats-table th {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: normal;
}

.beats-table td {
    padding: 5px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.beats-table input[type="text"] {
    width: 100%;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-main);
    padding: 4px;
    font-family: inherit;
    outline: none;
}

.beats-table input[type="text"]:focus {
    border-color: var(--accent);
}

.beats-table select {
    background: var(--bg-dark);
    color: var(--text-main);
    border: 1px solid var(--border);
    padding: 4px;
}

.btn-remove-beat {
    color: var(--red);
    border-color: var(--red);
}

.btn-remove-beat:hover {
    background: var(--red);
    color: white;
}

.regie-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

#editor {
    width: 100%;
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-main);
    font-family: inherit;
    font-size: 1.1rem;
    line-height: 1.6;
    resize: none;
    outline: none;
}

.inspector-pane {
    flex: 4;
    background-color: var(--bg-panel);
    padding: 20px;
    overflow-y: auto;
}

.score-card {
    text-align: center;
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 20px;
}

.score-card h2 {
    font-size: 1rem;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 1px;
    margin-top: 0;
}

.score-badge {
    font-size: 3rem;
    font-weight: bold;
}

.score-green { color: var(--green); }
.score-yellow { color: var(--yellow); }
.score-red { color: var(--red); }

.issue-item {
    background-color: var(--bg-dark);
    border: 1px solid var(--border);
    padding: 15px;
    margin-bottom: 15px;
}

.issue-item p {
    margin: 0 0 10px 0;
    font-size: 0.9rem;
    line-height: 1.4;
}

.btn-repair {
    font-size: 0.8rem;
    padding: 4px 8px;
    border-color: var(--accent);
    color: var(--accent);
}

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

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background: var(--bg-panel);
    padding: 30px;
    border: 1px solid var(--border);
    width: 400px;
    border-radius: 4px;
}

/* Inspector Collapse */
.inspector-pane.collapsed {
    display: none !important;
}

.editor-pane.full-width {
    flex: 1 !important;
    border-right: none !important;
}


/* Grid Layout for Storyboard Cards */
.storyboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 15px;
    margin-bottom: 40px;
}

/* Beautiful Card Design */
.storyboard-card {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    position: relative;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    display: flex;
    flex-direction: column;
}

.storyboard-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.2);
    border-color: var(--accent);
}

.storyboard-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.storyboard-card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-main);
    margin: 0;
    line-height: 1.3;
}

.storyboard-card-subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 4px 0 0 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.storyboard-card-actions button {
    background: var(--bg-light);
    border: 1px solid var(--border);
    color: var(--text-main);
    padding: 6px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.9rem;
}

.storyboard-card-actions button:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.storyboard-card-actions button.btn-delete:hover {
    background: var(--red);
    color: #fff;
    border-color: var(--red);
}

.storyboard-card-body {
    flex-grow: 1;
    font-size: 0.9rem;
    color: var(--text-main);
    line-height: 1.5;
}

.storyboard-card-body p {
    margin: 0 0 8px 0;
}

.storyboard-card-body p:last-child {
    margin-bottom: 0;
}

.storyboard-tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    background: rgba(94, 92, 230, 0.15);
    color: var(--accent);
    font-size: 0.75rem;
    font-weight: bold;
    margin-top: 8px;
}

/* MOBILE LAYOUT overrides */
.mobile-bottom-nav {
    display: none;
}

@media (max-width: 768px) {
    .nav-tabs {
        display: none;
    }
    
    .actions {
        display: none;
    }
    
    .mobile-bottom-nav {
        display: flex;
        justify-content: space-around;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: var(--bg-panel);
        border-top: 1px solid var(--border);
        padding: 10px 0;
        z-index: 1000;
    }
    
    .mobile-bottom-nav button {
        border: none;
        background: none;
        color: var(--text-muted);
        font-size: 0.75rem;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 4px;
        padding: 5px 10px;
        width: 100%;
    }
    
    .mobile-bottom-nav button.active {
        color: var(--accent);
    }
    
    body {
        padding-bottom: 60px; /* space for bottom nav */
    }
    
    .split-view {
        flex-direction: column;
        height: auto;
    }
    
    .inspector-pane {
        width: 100%;
        border-left: none;
        border-top: 1px solid var(--border);
    }
    
    .editor-pane {
        width: 100%;
    }
    
    .chapter-bar {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .topbar {
        padding: 10px 15px;
    }
}