/* ===========================================
   Band Stage Plot - Main Styles
   =========================================== */

/* CSS Variables for theming */
:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --danger-color: #dc2626;
    --success-color: #16a34a;
    --warning-color: #d97706;
    
    --bg-primary: #f8fafc;
    --bg-secondary: #e2e8f0;
    --bg-sidebar: linear-gradient(180deg, #1e3a5f 0%, #0f172a 100%);
    
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #f8fafc;
    
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    
    --sidebar-width: 220px;
    --toolbar-height: 50px;
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    
    --font-primary: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
}

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

/* ===========================================
   Sidebar
   =========================================== */
.sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-sidebar);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
    z-index: 100;
}

.sidebar-header {
    padding: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header h2 {
    color: var(--text-light);
    font-size: 1.1rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 10px;
}

/* Search Box */
.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-box .search-icon {
    position: absolute;
    left: 10px;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.8rem;
    pointer-events: none;
}

.search-box input {
    width: 100%;
    padding: 8px 30px 8px 32px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 6px;
    color: var(--text-light);
    font-size: 0.85rem;
    outline: none;
    transition: all var(--transition-fast);
}

.search-box input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.search-box input:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

.search-clear {
    position: absolute;
    right: 6px;
    display: none;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.65rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.search-clear:hover {
    background: rgba(255, 255, 255, 0.3);
    color: white;
}

/* Stage Templates Dropdown */
.stage-templates {
    padding: 10px 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.15);
}

.stage-templates label {
    display: block;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.7rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 6px;
}

.stage-templates select {
    width: 100%;
    padding: 8px 10px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 6px;
    color: var(--text-light);
    font-size: 0.85rem;
    cursor: pointer;
    outline: none;
    transition: all var(--transition-fast);
}

.stage-templates select:hover,
.stage-templates select:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

.stage-templates select option {
    background: #1e293b;
    color: var(--text-light);
    padding: 8px;
}

/* Search highlight */
.equipment-item.search-highlight {
    background: rgba(37, 99, 235, 0.2);
    border-color: rgba(37, 99, 235, 0.4);
}

.equipment-list {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 8px;
}

.equipment-list::-webkit-scrollbar {
    width: 6px;
}

.equipment-list::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

.equipment-list::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}

.equipment-list::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

.equipment-category {
    margin-bottom: 16px;
}

.equipment-category h4 {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 8px 8px 4px;
    margin-bottom: 4px;
}

.equipment-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 8px;
    margin: 4px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 2px solid transparent;
}

.equipment-item:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.equipment-item:active {
    transform: scale(0.95);
}

.equipment-item img {
    max-width: 100%;
    max-height: 80px;
    height: auto;
    object-fit: contain;
    pointer-events: none;
}

.equipment-item .item-label {
    color: var(--text-light);
    font-size: 0.75rem;
    margin-top: 6px;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

/* Text Tool in Sidebar */
.equipment-item.text-tool .text-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    border-radius: 12px;
    font-size: 1.8rem;
    color: white;
}

.equipment-item.text-tool:hover .text-icon {
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    transform: scale(1.05);
}

.sidebar-footer {
    padding: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.menu-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 8px;
    color: var(--text-light);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.menu-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* ===========================================
   Stage Area
   =========================================== */
.stage-area {
    flex: 1;
    position: relative;
    background-color: var(--bg-secondary);
    background-size: cover;
    background-position: center;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.stage-area.has-grid {
    background-image: 
        linear-gradient(rgba(0,0,0,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,0.03) 1px, transparent 1px);
    background-size: 40px 40px;
}

/* Toolbar */
.toolbar {
    position: absolute;
    top: 12px;
    right: 12px;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 10px;
    box-shadow: var(--shadow-md);
    z-index: 50;
    backdrop-filter: blur(10px);
}

.tool-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 6px;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tool-btn:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
}

.tool-btn:active {
    transform: scale(0.95);
}

.toolbar-divider {
    width: 1px;
    height: 24px;
    background: var(--border-color);
    margin: 0 4px;
}

/* Stage Title */
.stage-title {
    text-align: center;
    padding: 16px 20px 8px;
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    outline: none;
    transition: all var(--transition-fast);
    border-bottom: 2px solid transparent;
    margin: 0 auto;
    max-width: 80%;
}

.stage-title:hover {
    background: rgba(0, 0, 0, 0.02);
}

.stage-title:focus,
.stage-title.editing {
    background: rgba(255, 255, 255, 0.8);
    border-bottom-color: var(--primary-color);
}

/* Stage Labels */
.stage-labels {
    position: absolute;
    left: 0;
    right: 0;
    pointer-events: none;
    z-index: 5;
}

.stage-label {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    opacity: 0.6;
    text-transform: uppercase;
}

.stage-front {
    bottom: 16px;
}

.stage-back {
    top: 70px;
}

/* Drop Zone */
.drop-zone {
    flex: 1;
    position: relative;
    margin: 80px 20px 40px;
    background-size: 100% 100%;
    background-position: center;
    background-repeat: no-repeat;
}

/* Dragged Items on Stage */
.stage-item {
    position: absolute;
    cursor: move;
    user-select: none;
    transition: box-shadow var(--transition-fast);
    will-change: transform;
    contain: layout style;
}

.stage-item:hover {
    z-index: 10;
}

.stage-item.selected {
    outline: 2px dashed var(--primary-color);
    outline-offset: 4px;
}

.stage-item.dragging {
    opacity: 0.8;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
}

.stage-item img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    pointer-events: none;
}

/* Resize handle styling */
.stage-item .ui-resizable-handle {
    background: var(--primary-color);
    border-radius: 2px;
}

.stage-item .ui-resizable-se {
    width: 12px;
    height: 12px;
    right: -6px;
    bottom: -6px;
    cursor: se-resize;
}

.stage-item .item-label {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.7rem;
    white-space: nowrap;
    background: rgba(255, 255, 255, 0.9);
    padding: 2px 6px;
    border-radius: 3px;
    color: var(--text-primary);
}

/* Text Items on Stage */
.stage-item.text-item {
    background: rgba(148, 163, 184, 0.9);
    padding: 8px 14px;
    border-radius: 6px;
    border: 2px solid transparent;
    min-width: 50px;
    cursor: move;
}

.stage-item.text-item:hover {
    border-color: var(--primary-color);
}

.stage-item.text-item.selected {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.stage-item.text-item .text-content {
    font-size: 1rem;
    font-weight: 600;
    color: #000000;
    outline: none;
    min-width: 20px;
    white-space: nowrap;
}

.stage-item.text-item .text-content:focus {
    outline: none;
}

.stage-item.text-item .text-content:empty:before {
    content: 'Text';
    color: rgba(0, 0, 0, 0.3);
}

/* ===========================================
   Buttons
   =========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn:hover {
    transform: translateY(-1px);
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-hover);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: #cbd5e1;
}

.btn-danger {
    background: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background: #b91c1c;
}

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

.btn-outline:hover {
    background: var(--bg-secondary);
}

.btn-small {
    padding: 6px 12px;
    font-size: 0.8rem;
}

/* Function Grid */
.function-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 24px;
}

/* Settings Section */
.settings-section {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.settings-section h3 {
    font-size: 1rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

/* File Input */
.file-input-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
}

.file-input-wrapper input[type="file"] {
    display: none;
}

/* Toggle Switch */
.toggle-switch {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    margin-bottom: 12px;
}

.toggle-switch input {
    display: none;
}

.toggle-slider {
    width: 44px;
    height: 24px;
    background: #cbd5e1;
    border-radius: 12px;
    position: relative;
    transition: all var(--transition-fast);
}

.toggle-slider::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    background: white;
    border-radius: 50%;
    top: 3px;
    left: 3px;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--primary-color);
}

.toggle-switch input:checked + .toggle-slider::after {
    transform: translateX(20px);
}

.toggle-label {
    font-size: 0.9rem;
    color: var(--text-primary);
}

/* ===========================================
   Forms
   =========================================== */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.radio-option {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--bg-secondary);
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.radio-option:hover {
    background: #cbd5e1;
}

.radio-option input[type="radio"] {
    accent-color: var(--primary-color);
}

.radio-option span {
    font-size: 0.85rem;
}

textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.9rem;
    resize: vertical;
    transition: border-color var(--transition-fast);
}

textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 16px;
}

/* ===========================================
   Notifications
   =========================================== */
.notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 14px 24px;
    background: var(--text-primary);
    color: white;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 10000;
}

.notification.show {
    transform: translateY(0);
    opacity: 1;
}

.notification-success {
    background: var(--success-color);
}

.notification-error {
    background: var(--danger-color);
}

/* ===========================================
   Instructions & Warnings
   =========================================== */
.instructions {
    background: var(--bg-secondary);
    padding: 16px;
    border-radius: 8px;
    margin: 16px 0;
}

.instructions h3 {
    margin-bottom: 10px;
    font-size: 1rem;
}

.instructions ul {
    margin-left: 20px;
}

.instructions li {
    margin-bottom: 6px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.mobile-warning {
    background: #fef3c7;
    border: 1px solid #f59e0b;
    padding: 12px 16px;
    border-radius: 8px;
    margin-top: 16px;
}

.mobile-warning p {
    font-size: 0.85rem;
    color: #92400e;
    margin: 0;
}

/* ===========================================
   Responsive Adjustments
   =========================================== */
@media (max-width: 768px) {
    .sidebar {
        width: 180px;
        min-width: 180px;
    }
    
    .equipment-item img {
        max-height: 60px;
    }
    
    .toolbar {
        top: 8px;
        right: 8px;
        padding: 4px;
    }
    
    .tool-btn {
        width: 32px;
        height: 32px;
    }
    
    .function-grid {
        grid-template-columns: 1fr;
    }
}