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

html {
    overflow: hidden;
    position: fixed;
    width: 100%;
    height: 100%;
    overscroll-behavior: none;
    touch-action: pan-x pan-y;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: #000;
    color: white;
    overflow: hidden;
    width: 100vw;
    height: 100dvh;
    position: fixed;
    top: 0;
    left: 0;
    overscroll-behavior: none;
    -webkit-overflow-scrolling: none;
}

/* Fullscreen camera */
.camera-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100dvh;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

video, canvas {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scaleX(-1);
}

canvas {
    display: none;
}

/* Camera Flip Button (Top Right) */
.flip-btn {
    position: fixed;
    top: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    z-index: 20;
}

.flip-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.05);
}

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

.flip-btn svg {
    width: 24px;
    height: 24px;
    color: white;
}

/* Camera Permission Toast */
.camera-toast {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    color: white;
    padding: 20px 32px;
    border-radius: 16px;
    font-size: 1rem;
    font-weight: 500;
    z-index: 15;
    pointer-events: none;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.camera-toast.hidden {
    opacity: 0;
    pointer-events: none;
}

.camera-toast p {
    margin: 0;
    text-align: center;
}

/* Minimal Camera Controls (Bottom Bar) */
.camera-controls {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30px 1rem;
    z-index: 10;
    background: linear-gradient(0deg, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.4) 70%, rgba(0,0,0,0) 100%);
}

/* Control Buttons (Gallery and Settings) */
.control-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.control-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.05);
}

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

.control-btn svg {
    width: 24px;
    height: 24px;
    color: white;
}

/* Gallery Button with Photo Thumbnail */
.gallery-btn {
    overflow: hidden;
    border: 3px solid white;
}

.photo-thumb {
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    background-size: cover;
    background-position: center;
}

.photo-thumb:empty::before {
    content: '';
    display: block;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
}

/* Main Action Button (Center) */
.action-btn {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 4px solid white;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.action-btn:hover {
    transform: scale(1.05);
    background: rgba(255, 255, 255, 0.35);
}

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

.action-inner {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: white;
    transition: all 0.15s ease;
}

.action-btn:active .action-inner {
    transform: scale(0.85);
}

/* Settings Panel (Drop-up) */
.settings-panel,
.gallery-panel {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    border-radius: 20px 20px 0 0;
    padding: 12px 24px 40px 24px;
    z-index: 100;
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    max-height: 80dvh;
    overflow-y: auto;
    touch-action: pan-y;
}

/* Panel Handle for Swipe Indicator */
.panel-handle {
    width: 40px;
    height: 4px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 2px;
    margin: 8px auto 16px;
    cursor: grab;
}

.panel-handle:active {
    cursor: grabbing;
}

.settings-panel.open,
.gallery-panel.open {
    transform: translateY(0);
}

.settings-header,
.gallery-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.settings-header h2,
.gallery-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #000;
}

.close-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.05);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.close-btn:hover {
    background: rgba(0, 0, 0, 0.1);
}

.close-btn svg {
    width: 18px;
    height: 18px;
    color: #000;
}

/* Settings Content */
.settings-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.setting-label {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.label-text {
    font-size: 0.875rem;
    font-weight: 500;
    color: #000;
}

.value {
    display: inline-block;
    min-width: 2.5rem;
    font-weight: 600;
    color: #000;
}

/* Select Dropdown */
.select {
    font-family: inherit;
    font-size: 1rem;
    font-weight: 400;
    padding: 12px 16px;
    background: white;
    color: #000;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    outline: none;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.select:hover {
    border-color: rgba(0, 0, 0, 0.2);
}

.select:focus {
    border-color: #000;
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1);
}

/* Range Slider */
.slider {
    width: 100%;
    height: 4px;
    background: rgba(0, 0, 0, 0.1);
    border: none;
    border-radius: 9999px;
    outline: none;
    -webkit-appearance: none;
    cursor: pointer;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: #000;
    border: 3px solid white;
    border-radius: 9999px;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: #000;
    border: 3px solid white;
    border-radius: 9999px;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

/* Gallery Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 12px;
}

.gallery-item {
    aspect-ratio: 1;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    position: relative;
    background: rgba(0, 0, 0, 0.05);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-item-delete {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.6);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.gallery-item:hover .gallery-item-delete {
    opacity: 1;
}

.gallery-item-delete svg {
    width: 16px;
    height: 16px;
    color: white;
}

/* Error Message */
.error {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: #ff4444;
    font-size: 0.875rem;
    font-weight: 500;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    padding: 12px 24px;
    border-radius: 8px;
    z-index: 200;
}

/* Mobile Responsive */
@media (max-width: 640px) {
    .camera-controls {
        height: 120px;
        padding: 0 20px 30px;
    }

    .control-btn {
        width: 44px;
        height: 44px;
    }

    .action-btn {
        width: 64px;
        height: 64px;
    }

    .action-inner {
        width: 54px;
        height: 54px;
    }

    .settings-panel,
    .gallery-panel {
        padding: 12px 20px 36px 20px;
        max-height: 85dvh;
    }

    .flip-btn {
        top: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
    }

    .camera-toast {
        font-size: 0.9rem;
        padding: 16px 24px;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 8px;
    }
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.lightbox-content {
    position: relative;
    z-index: 1001;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1002;
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.05);
}

.lightbox-close svg {
    width: 24px;
    height: 24px;
    color: white;
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1002;
}

.lightbox-nav:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-50%) scale(1.05);
}

.lightbox-nav svg {
    width: 28px;
    height: 28px;
    color: white;
}

.lightbox-prev {
    left: 30px;
}

.lightbox-next {
    right: 30px;
}

.lightbox-download {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    padding: 14px 28px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 1002;
}

.lightbox-download:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateX(-50%) scale(1.05);
}

.lightbox-download svg {
    width: 20px;
    height: 20px;
}

@media (max-width: 768px) {
    .lightbox-close {
        top: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
    }

    .lightbox-nav {
        width: 48px;
        height: 48px;
    }

    .lightbox-prev {
        left: 20px;
    }

    .lightbox-next {
        right: 20px;
    }

    .lightbox-download {
        bottom: 1rem;
        padding: 12px 24px;
        font-size: 0.9rem;
    }
}