/* ----------------------------------------------------
 * Style System for Qmedia Content Manager
 * Sleek Dark Mode with Glassmorphism & Modern Typography
 * ---------------------------------------------------- */

:root {
    --bg-app: #090d16;
    --bg-sidebar: #0f1524;
    --bg-card: #141c2f;
    --bg-card-hover: #1b263f;
    --bg-input: #1a2336;
    
    --border-color: #24324f;
    --border-focus: #3b82f6;
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    
    --green: #10b981;
    --green-bg: rgba(16, 185, 129, 0.15);
    --yellow: #f59e0b;
    --yellow-bg: rgba(245, 158, 11, 0.15);
    --red: #ef4444;
    --red-bg: rgba(239, 68, 68, 0.15);
    --purple: #8b5cf6;
    --purple-bg: rgba(139, 92, 246, 0.15);
    
    --radius-lg: 16px;
    --radius-md: 10px;
    --radius-sm: 6px;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.25);
    
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Basics */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-app);
    color: var(--text-primary);
    line-height: 1.5;
    overflow: hidden;
    height: 100vh;
}

/* App Layout */
.app-container {
    display: flex;
    height: 100vh;
    width: 100vw;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 24px;
    flex-shrink: 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 36px;
}

.brand-icon {
    font-size: 24px;
}

.brand-name {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, #a78bfa, #6366f1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.nav-item:hover {
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.03);
}

.nav-item.active {
    color: var(--text-primary);
    background-color: var(--primary);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.sidebar-footer {
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.back-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    display: block;
}

.back-link:hover {
    color: var(--primary-hover);
    transform: translateX(-4px);
}

/* Main Content Area */
.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    padding: 32px;
    overflow-y: auto;
    height: 100vh;
}

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

#page-title {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 4px;
}

.header-subtitle {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.btn-primary {
    background-color: var(--primary);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
}

.btn-ghost {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-ghost:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.btn-danger {
    background-color: var(--red);
    color: #ffffff;
}

.btn-danger:hover {
    background-color: #dc2626;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 28px;
}

.stat-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-sm);
}

.stat-icon {
    font-size: 24px;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon.purple { background-color: var(--purple-bg); color: var(--purple); }
.stat-icon.yellow { background-color: var(--yellow-bg); color: var(--yellow); }
.stat-icon.green { background-color: var(--green-bg); color: var(--green); }

.stat-info h3 {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.stat-val {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

/* Toolbar */
.toolbar {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
}

.search-box {
    flex-grow: 1;
}

.search-box input, .filters select {
    width: 100%;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 14px;
    outline: none;
    transition: var(--transition);
    font-family: inherit;
}

.search-box input:focus, .filters select:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.15);
}

.filters select {
    cursor: pointer;
    min-width: 180px;
}

/* Workspace Layout */
.workspace-grid {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 24px;
    flex-grow: 1;
    min-height: 0; /* Important for flex-child scrolling */
}

/* Panels */
.list-panel, .detail-panel {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

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

.panel-header h2 {
    font-size: 16px;
    font-weight: 600;
}

.badge {
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--text-secondary);
    padding: 2px 8px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
}

/* Content List */
.content-list {
    flex-grow: 1;
    overflow-y: auto;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.content-item-card {
    padding: 16px;
    border-radius: var(--radius-md);
    background-color: rgba(255, 255, 255, 0.01);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}

.content-item-card:hover {
    background-color: var(--bg-card-hover);
    border-color: var(--border-color);
}

.content-item-card.selected {
    background-color: var(--bg-card-hover);
    border-color: var(--border-focus);
}

.item-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 6px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.item-type.story { color: var(--purple); }
.item-type.podcast { color: var(--green); }
.item-type.book { color: var(--yellow); }

.item-status {
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 10px;
}

.item-status.pending { background-color: var(--yellow-bg); color: var(--yellow); }
.item-status.audio_ready { background-color: var(--green-bg); color: var(--green); }
.item-status.video_ready { background-color: rgba(99, 102, 241, 0.15); color: var(--primary); }
.item-status.failed { background-color: var(--red-bg); color: var(--red); }

.item-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 4px;
}

.item-desc {
    font-size: 12px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Empty States */
.empty-state, .empty-detail-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--text-muted);
    padding: 40px;
}

.empty-detail-state {
    height: 100%;
}

.empty-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

/* Detail Editor Panel */
.detail-header {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.detail-title-info h2 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 4px;
}

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

.detail-body {
    flex-grow: 1;
    overflow-y: auto;
    padding: 24px;
}

.detail-meta-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 24px;
    background-color: rgba(255, 255, 255, 0.01);
    border: 1px solid var(--border-color);
    padding: 16px;
    border-radius: var(--radius-md);
}

.meta-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.meta-field.copyable {
    cursor: pointer;
    transition: var(--transition);
    padding: 4px 8px;
    margin: -4px -8px;
    border-radius: var(--radius-sm);
}

.meta-field.copyable:hover {
    background-color: rgba(255, 255, 255, 0.06);
}

.meta-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    font-weight: 600;
}

.meta-val {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.script-box {
    margin-bottom: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.script-content-editor {
    width: 100%;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 16px;
    border-radius: var(--radius-md);
    font-size: 14px;
    line-height: 1.6;
    outline: none;
    resize: vertical;
    transition: var(--transition);
    font-family: inherit;
}

.script-content-editor:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.15);
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease-out;
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 760px;
    max-width: 90vw;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-md);
    animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.modal-header h2 {
    font-size: 18px;
    font-weight: 700;
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    transition: var(--transition);
}

.close-btn:hover {
    color: var(--text-primary);
}

.modal-form {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-group input, .form-group select, .form-group textarea {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 10px 14px;
    border-radius: var(--radius-md);
    font-size: 14px;
    outline: none;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--border-focus);
}

.form-row-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.form-row-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 12px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

/* Toast Notification */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 2000;
}

.toast {
    background-color: var(--bg-card);
    border-left: 4px solid var(--primary);
    border-top: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 20px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 300px;
    animation: slideInRight 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    transition: var(--transition);
}

.toast.success { border-left-color: var(--green); }
.toast.error { border-left-color: var(--red); }
.toast.info { border-left-color: var(--primary); }

.toast-message {
    font-size: 13px;
    font-weight: 500;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes slideInRight {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}