/* Canvas */
#canvas {
    cursor: crosshair;
    background: var(--secondary-bg);
    display: block;
    position: relative;
}

/* Toolbar */
.toolbar {
    position: fixed;
    top: 24px;
    left: 24px;
    background: var(--glass-bg);
    border-radius: var(--border-radius);
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transition: var(--transition-slow);
}

.toolbar:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.toolbar-section {
    display: flex;
    align-items: center;
    gap: 8px;
}

.toolbar-divider {
    width: 1px;
    height: 32px;
    background: var(--glass-border);
    opacity: 0.5;
}

/* Tool Buttons */
.tool-btn {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-sm);
    padding: 12px;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    min-width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    position: relative;
    overflow: hidden;
}

.tool-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.tool-btn:hover::before {
    transform: translateX(100%);
}

.tool-btn:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

.tool-btn.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.tool-btn.active:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

/* Color Section */
.color-section {
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
}

.color-picker {
    width: 44px;
    height: 44px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    background: none;
    padding: 4px;
    transition: var(--transition);
}

.color-picker:hover {
    transform: translateY(-1px);
    border-color: var(--accent-color);
}

.color-presets {
    display: flex;
    gap: 4px;
}

.color-preset {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.color-preset:hover {
    transform: scale(1.2);
    border-color: var(--accent-color);
}

/* Size Section */
.size-section {
    display: flex;
    align-items: center;
    gap: 8px;
}

.size-label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 14px;
}

.size-slider {
    width: 80px;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 2px;
    outline: none;
    cursor: pointer;
    -webkit-appearance: none;
    transition: var(--transition);
}

.size-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    background: var(--accent-color);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.size-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.size-slider::-webkit-slider-runnable-track {
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
}

.size-display {
    font-size: 12px;
    color: var(--text-muted);
    min-width: 24px;
    text-align: center;
}

/* Info Panel */
.info-panel {
    position: fixed;
    top: 24px;
    right: 24px;
    background: var(--glass-bg);
    border-radius: var(--border-radius);
    padding: 20px;
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transition: var(--transition-slow);
    min-width: 200px;
}

.info-panel:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.info-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 14px;
}

.info-row:last-child {
    margin-bottom: 0;
}

.info-row i {
    color: var(--accent-color);
    width: 16px;
}

/* Shortcuts Panel */
.shortcuts-panel {
    position: fixed;
    bottom: 24px;
    left: 24px;
    background: var(--glass-bg);
    border-radius: var(--border-radius);
    padding: 20px;
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transition: var(--transition-slow);
    max-width: 280px;
}

.shortcuts-panel:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.shortcuts-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    color: var(--accent-color);
    font-weight: 600;
    font-size: 14px;
}

.shortcuts-content {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.shortcut-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
}

.shortcut-item span {
    color: var(--text-secondary);
}

kbd {
    background: rgba(255, 255, 255, 0.1);
    padding: 4px 8px;
    border-radius: 4px;
    font-family: 'Inter', monospace;
    font-size: 11px;
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Text Editor Modal */
.text-editor-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    animation: fadeIn 0.3s ease;
}

.text-editor-overlay.visible {
    display: flex;
}

.text-editor {
    background: var(--surface-bg);
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 500px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--glass-border);
    animation: slideUp 0.3s ease;
}

.text-editor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 24px 0 24px;
    margin-bottom: 24px;
}

.text-editor-header h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 18px;
    padding: 8px;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.close-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.text-editor-content {
    padding: 0 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group select {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input[type="text"]:focus,
.form-group input[type="number"]:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group input[type="color"] {
    width: 100%;
    height: 48px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    background: none;
    padding: 4px;
}

.style-buttons {
    display: flex;
    gap: 8px;
}

.style-btn {
    flex: 1;
    padding: 12px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    font-size: 16px;
}

.style-btn:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.3);
}

.style-btn.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
}

.text-editor-actions {
    padding: 24px;
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    border-top: 1px solid var(--glass-border);
    margin-top: 24px;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.3);
}

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

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

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 3000;
}

.loading-overlay.visible {
    display: flex;
}

.loading-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    color: var(--text-primary);
}

.loading-spinner i {
    font-size: 32px;
    color: var(--accent-color);
}

/* Notification System */
.notification-container {
    position: fixed;
    top: 24px;
    right: 280px;
    z-index: 4000;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.notification {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-sm);
    padding: 16px 20px;
    color: var(--text-primary);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
    min-width: 300px;
    animation: slideInRight 0.3s ease;
    position: relative;
    overflow: hidden;
}

.notification::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--accent-color);
}

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

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

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

.notification-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.notification-icon {
    font-size: 18px;
    color: var(--accent-color);
}

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

.notification.warning .notification-icon {
    color: var(--warning-color);
}

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

.notification-text {
    flex: 1;
    font-size: 14px;
    font-weight: 500;
}

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

@keyframes slideUp {
    from { 
        opacity: 0;
        transform: translateY(30px);
    }
    to { 
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from { 
        opacity: 0;
        transform: translateX(30px);
    }
    to { 
        opacity: 1;
        transform: translateX(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .toolbar {
        left: 16px;
        top: 16px;
        padding: 12px;
        gap: 12px;
        flex-wrap: wrap;
    }
    
    .info-panel {
        right: 16px;
        top: 16px;
        padding: 16px;
        min-width: auto;
    }
    
    .shortcuts-panel {
        left: 16px;
        bottom: 16px;
        padding: 16px;
        max-width: calc(100vw - 32px);
    }
    
    .text-editor {
        width: 95%;
        margin: 16px;
    }
    
    .notification-container {
        right: 16px;
        left: 16px;
    }
    
    .notification {
        min-width: auto;
    }
}