* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(135deg, #0a0a0f 0%, #1a1438 100%);
    color: #f8fafc;
    overflow: hidden;
}

/* Header Navigation */
.header {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    backdrop-filter: blur(20px);
    background: rgba(26, 20, 56, 0.3);
    border: 1px solid rgba(232, 121, 249, 0.2);
    border-radius: 50px;
    padding: 8px 24px;
}

.nav {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-item {
    padding: 12px 20px;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    letter-spacing: 0.5px;
    font-size: 14px;
}

.nav-item:hover {
    background: rgba(232, 121, 249, 0.1);
    color: #e879f9;
    box-shadow: 0 0 20px rgba(232, 121, 249, 0.3);
}

.nav-item.active {
    background: rgba(232, 121, 249, 0.2);
    color: #e879f9;
}

/* Scene Container */
#scene-container {
    position: relative;
    width: 100vw;
    height: 100vh;
}

/* Customization Panel */
.panel {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 320px;
    max-height: 80vh;
    background: rgba(26, 26, 46, 0.9);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(232, 121, 249, 0.2);
    border-radius: 20px;
    padding: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    z-index: 100;
}

.panel.collapsed {
    transform: translateY(-50%) translateX(calc(100% - 60px));
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: rgba(232, 121, 249, 0.1);
    border-bottom: 1px solid rgba(232, 121, 249, 0.2);
}

.panel-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: #e879f9;
}

.panel-toggle {
    background: none;
    border: none;
    color: #f8fafc;
    font-size: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.panel-toggle:hover {
    color: #e879f9;
    transform: rotate(90deg);
}

.panel-content {
    padding: 20px;
    max-height: 60vh;
    overflow-y: auto;
}

.panel-content::-webkit-scrollbar {
    width: 6px;
}

.panel-content::-webkit-scrollbar-track {
    background: rgba(26, 26, 46, 0.5);
    border-radius: 3px;
}

.panel-content::-webkit-scrollbar-thumb {
    background: rgba(232, 121, 249, 0.3);
    border-radius: 3px;
}

.control-group {
    margin-bottom: 24px;
}

.control-group h4 {
    color: #67e8f9;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.control {
    margin-bottom: 16px;
}

.control label {
    display: block;
    font-size: 13px;
    margin-bottom: 6px;
    color: #cbd5e1;
}

.control input[type="range"] {
    width: 100%;
    height: 6px;
    background: rgba(103, 232, 249, 0.2);
    border-radius: 3px;
    outline: none;
    -webkit-appearance: none;
}

.control input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    background: #e879f9;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(232, 121, 249, 0.5);
}

.control input[type="color"] {
    width: 100%;
    height: 40px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
}

.control select {
    width: 100%;
    padding: 8px 12px;
    background: rgba(26, 26, 46, 0.8);
    border: 1px solid rgba(232, 121, 249, 0.3);
    border-radius: 8px;
    color: #f8fafc;
    font-size: 13px;
}

.control input[type="checkbox"] {
    margin-right: 8px;
    accent-color: #e879f9;
}

/* Control Buttons */
.control-buttons {
    padding: 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    border-top: 1px solid rgba(232, 121, 249, 0.2);
}

.control-buttons button {
    padding: 12px 16px;
    border: none;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: linear-gradient(135deg, #e879f9 0%, #67e8f9 100%);
    color: #0a0a0f;
    grid-column: 1 / -1;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(232, 121, 249, 0.4);
}

.btn-secondary {
    background: rgba(232, 121, 249, 0.1);
    color: #e879f9;
    border: 1px solid rgba(232, 121, 249, 0.3);
}

.btn-secondary:hover {
    background: rgba(232, 121, 249, 0.2);
    transform: translateY(-1px);
}

.btn-accent {
    background: rgba(103, 232, 249, 0.2);
    color: #67e8f9;
    border: 1px solid rgba(103, 232, 249, 0.3);
    grid-column: 1 / -1;
}

.btn-accent:hover {
    background: rgba(103, 232, 249, 0.3);
    transform: translateY(-1px);
}

/* Gallery Panel */
.gallery-panel {
    position: fixed;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 300px;
    max-height: 80vh;
    background: rgba(26, 26, 46, 0.9);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(103, 232, 249, 0.2);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
    z-index: 100;
}

.gallery-panel.hidden {
    transform: translateY(-50%) translateX(calc(-100% + 60px));
}

.gallery-content {
    padding: 20px;
    max-height: 60vh;
    overflow-y: auto;
}

.flower-card {
    background: rgba(26, 26, 46, 0.5);
    border: 1px solid rgba(103, 232, 249, 0.2);
    border-radius: 12px;
    padding: 12px;
    margin-bottom: 12px;
    transition: all 0.3s ease;
}

.flower-card:hover {
    transform: translateY(-2px);
    border-color: rgba(103, 232, 249, 0.4);
    box-shadow: 0 8px 25px rgba(103, 232, 249, 0.1);
}

.flower-preview {
    width: 100%;
    height: 60px;
    border-radius: 8px;
    margin-bottom: 8px;
    opacity: 0.7;
}

.flower-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: #cbd5e1;
}

.flower-info p {
    margin: 0;
}

.load-btn, .delete-btn {
    padding: 4px 8px;
    border: none;
    border-radius: 4px;
    font-size: 11px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.load-btn {
    background: rgba(103, 232, 249, 0.2);
    color: #67e8f9;
    margin-right: 4px;
}

.delete-btn {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

.load-btn:hover {
    background: rgba(103, 232, 249, 0.3);
}

.delete-btn:hover {
    background: rgba(239, 68, 68, 0.3);
}

.no-flowers {
    text-align: center;
    color: #64748b;
    font-size: 14px;
    padding: 40px 20px;
    line-height: 1.5;
}

/* Loading Screen */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(135deg, #0a0a0f 0%, #1a1438 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    transition: opacity 0.5s ease;
}

.loading-flower {
    font-size: 64px;
    animation: bloom 2s ease-in-out infinite;
}

@keyframes bloom {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.2) rotate(180deg); }
}

.loading p {
    color: #67e8f9;
    font-size: 18px;
    margin-top: 20px;
    opacity: 0.8;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .panel, .gallery-panel {
        width: calc(100vw - 40px);
        left: 20px;
        right: 20px;
        transform: translate(0, -50%);
    }
    
    .panel.collapsed {
        transform: translate(0, calc(100vh - 100px));
    }
    
    .gallery-panel.hidden {
        transform: translate(0, calc(-100vh + 100px));
    }
    
    .header {
        top: 10px;
        left: 10px;
        right: 10px;
        transform: none;
        width: calc(100vw - 20px);
    }
    
    .nav {
        gap: 16px;
        justify-content: center;
    }
    
    .nav-item {
        padding: 8px 12px;
        font-size: 12px;
    }
    
    .control-buttons {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    .control-buttons button {
        padding: 14px 16px;
    }
}

/* Smooth transitions */
* {
    transition: transform 0.3s ease, opacity 0.3s ease, background-color 0.3s ease;
}

/* Focus states for accessibility */
button:focus, input:focus, select:focus {
    outline: 2px solid #e879f9;
    outline-offset: 2px;
}

/* Custom scrollbar for webkit */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(26, 26, 46, 0.5);
}

::-webkit-scrollbar-thumb {
    background: rgba(232, 121, 249, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(232, 121, 249, 0.5);
}