* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    border: none;
}

body {
    background: #000;
    font-family: 'Courier New', monospace;
    color: #aaa;
    overflow: hidden;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
}

canvas {
    image-rendering: pixelated;
    image-rendering: crisp-edges;
    border: none;
    cursor: crosshair;
}

/* ===== GESTURE OVERLAYS ===== */

.gesture-overlay {
    position: fixed;
    pointer-events: none;
    z-index: 50;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: opacity 0.15s ease;
}

.gesture-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

/* Exposure Overlay (Vertical) */
#exposureOverlay {
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    height: 200px;
}

.exposure-bar {
    width: 12px;
    height: 180px;
    background: rgba(0, 0, 0, 0.6);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 6px;
    position: relative;
    overflow: hidden;
}

.exposure-fill {
    position: absolute;
    bottom: 50%;
    left: 0;
    width: 100%;
    height: 0%;
    background: #888;
    transition: height 0.05s ease, bottom 0.05s ease;
}

.exposure-center {
    position: absolute;
    left: -4px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 2px;
    background: rgba(255, 255, 255, 0.8);
    z-index: 2;
}

.exposure-value {
    margin-top: 12px;
    font-family: 'Geist Mono', monospace;
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    text-shadow: 0 0 4px rgba(0, 0, 0, 0.8);
    background: rgba(0, 0, 0, 0.5);
    padding: 4px 8px;
    border-radius: 4px;
}

/* Temperature Overlay (Horizontal) */
#tempOverlay {
    bottom: 140px;
    left: 50%;
    transform: translateX(-50%);
    width: 250px;
}

.temp-bar {
    width: 200px;
    height: 12px;
    background: rgba(0, 0, 0, 0.6);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 6px;
    position: relative;
    overflow: hidden;
}

.temp-fill {
    position: absolute;
    left: 50%;
    top: 0;
    width: 0%;
    height: 100%;
    background: #888;
    transition: width 0.05s ease, left 0.05s ease;
}

.temp-center {
    position: absolute;
    top: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 20px;
    background: rgba(255, 255, 255, 0.8);
    z-index: 2;
}

.temp-value {
    margin-top: 12px;
    font-family: 'Geist Mono', monospace;
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    text-shadow: 0 0 4px rgba(0, 0, 0, 0.8);
    background: rgba(0, 0, 0, 0.5);
    padding: 4px 8px;
    border-radius: 4px;
}

/* Tap color pick indicator */
.tap-indicator {
    position: fixed;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 3px solid #fff;
    pointer-events: none;
    z-index: 50;
    transform: translate(-50%, -50%);
}

.tap-indicator.hidden {
    display: none;
}

.tap-indicator.fade-out {
    animation: tap-fade 500ms ease-out forwards;
}

@keyframes tap-fade {
    0% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
    100% { opacity: 0; transform: translate(-50%, -50%) scale(1.5); }
}

/* ===== INFO DISPLAY ===== */

#fps {
    position: fixed;
    top: 10px;
    right: 10px;
    color: #0f0;
    font-size: 14px;
    opacity: 0.6;
    z-index: 20;
    pointer-events: none;
    font-family: 'Geist Mono', monospace;
    text-shadow: 0 0 4px rgba(0, 0, 0, 0.8);
}

#version {
    position: fixed;
    top: 10px;
    left: 10px;
    color: #888;
    font-size: 12px;
    z-index: 20;
    pointer-events: none;
    font-family: 'Geist Mono', monospace;
    text-shadow: 0 0 4px rgba(0, 0, 0, 0.8);
}

/* ===== TOOLBAR ===== */

#toolbar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    height: fit-content;
    gap: 4px;
    align-items: center;
    justify-content: flex-start;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.4) 60%, transparent 100%);
    padding: 16px 12px calc(12px + env(safe-area-inset-bottom, 20px)) 12px;
    border: none;
    z-index: 10;
}

.toolbar-spacer {
    flex: 1;
}

/* ===== DROP-UPS ===== */

.dropup {
    position: fixed;
    bottom: 80px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    z-index: 15;
}

.dropup.hidden {
    display: none;
}

.dropup-left {
    left: 12px;
    align-items: flex-start;
}

.dropup-right {
    right: 12px;
    align-items: flex-end;
}

.dropup-item {
    background: transparent;
    color: #fff;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8);
    border: none;
    outline: none;
    padding: 10px 16px;
    font-family: 'Geist Mono', monospace;
    font-size: 14px;
    cursor: pointer;
    white-space: nowrap;
    transition: color 0.1s ease;
}

.dropup-left .dropup-item {
    text-align: left;
    padding-left: 16px;
}

.dropup-right .dropup-item {
    text-align: right;
    padding-right: 16px;
}

.dropup-item:active {
    color: rgba(255, 255, 255, 0.7);
}

.dropup-item.active {
    color: #ffcc00;
}

/* ===== TOOLBAR BUTTONS ===== */

.toolbar-btn {
    background: transparent;
    color: rgba(255, 255, 255, 0.6);
    border-radius: 0;
    padding: 12px 16px;
    font-family: 'Geist Mono', monospace;
    font-size: 14px;
    cursor: pointer;
    flex-shrink: 0;
    white-space: nowrap;
    height: fit-content;
    border: none;
    outline: none;
    transition: color 0.15s ease, background 0.15s ease, border-radius 0.15s ease;
}

.toolbar-btn:active {
    color: rgba(255, 255, 255, 0.9);
}

/* Trigger buttons - inverted pill when active */
.toolbar-btn.active {
    background: #ffcc00;
    color: #000;
    border-radius: 100px;
}

.resolution-btn,
.palette-trigger,
.lens-btn {
    color: rgba(255, 255, 255, 0.5);
}

.lens-btn {
    min-width: 44px;
}

.lens-btn.hidden {
    display: none;
}

/* ===== SHUTTER BUTTON ===== */

#shutterBtn {
    position: fixed;
    bottom: 90px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.8);
    padding: 0;
    cursor: pointer;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color 0.15s ease;
}

#shutterBtn:active {
    border-color: rgba(255, 255, 255, 1);
}

.shutter-inner {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    transition: background 0.15s ease;
}

#shutterBtn:active .shutter-inner {
    background: #ff4444;
}

/* ===== GALLERY ===== */

.gallery-btn {
    position: fixed;
    top: 10px;
    right: 50px;
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    font-family: 'Geist Mono', monospace;
    font-size: 12px;
    padding: 4px 8px;
    cursor: pointer;
    z-index: 20;
    text-shadow: 0 0 4px rgba(0, 0, 0, 0.8);
}

.gallery-btn:active {
    color: #fff;
}

.gallery-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 200;
    display: flex;
    flex-direction: column;
    padding: 16px;
}

.gallery-overlay.hidden {
    display: none;
}

.gallery-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    color: #fff;
    font-family: 'Geist Mono', monospace;
    font-size: 14px;
}

.gallery-close {
    background: transparent;
    border: none;
    color: #fff;
    font-size: 24px;
    cursor: pointer;
    padding: 4px 12px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 8px;
    overflow-y: auto;
    flex: 1;
}

.gallery-thumb {
    aspect-ratio: 16/9;
    overflow: hidden;
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.gallery-thumb:active {
    border-color: #ffcc00;
}

.gallery-empty {
    color: rgba(255, 255, 255, 0.4);
    font-family: 'Geist Mono', monospace;
    font-size: 14px;
    text-align: center;
    margin-top: 40px;
}

/* ===== PREVIEW OVERLAY ===== */

.preview-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.98);
    z-index: 300;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.preview-overlay.hidden {
    display: none;
}

.preview-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 32px;
    cursor: pointer;
    padding: 8px 16px;
    z-index: 10;
}

.preview-image-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 20px 120px 20px;
    width: 100%;
}

.preview-image-container img {
    max-width: 100%;
    max-height: 100%;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
}

.preview-actions {
    position: absolute;
    bottom: 40px;
    display: flex;
    gap: 16px;
    align-items: center;
}

.preview-btn {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.6);
    color: #fff;
    font-family: 'Geist Mono', monospace;
    font-size: 14px;
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease;
}

.preview-btn:active {
    background: rgba(255, 255, 255, 0.1);
    border-color: #fff;
}

/* Save combo button */
.save-combo {
    display: flex;
    position: relative;
}

.save-combo .save-btn {
    border-radius: 8px 0 0 8px;
    border-right: 1px solid rgba(255, 255, 255, 0.3);
}

.scale-toggle {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.6);
    border-left: none;
    color: #fff;
    font-size: 10px;
    padding: 12px 10px;
    border-radius: 0 8px 8px 0;
    cursor: pointer;
    transition: background 0.15s ease;
}

.scale-toggle:active {
    background: rgba(255, 255, 255, 0.1);
}

.scale-dropup {
    position: absolute;
    bottom: 100%;
    right: 0;
    margin-bottom: 8px;
    background: rgba(30, 30, 30, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.scale-dropup.hidden {
    display: none;
}

.scale-option {
    background: transparent;
    border: none;
    color: #fff;
    font-family: 'Geist Mono', monospace;
    font-size: 14px;
    padding: 12px 20px;
    cursor: pointer;
    text-align: center;
    transition: background 0.1s ease;
}

.scale-option:active,
.scale-option.active {
    background: rgba(255, 204, 0, 0.3);
    color: #ffcc00;
}

/* ===== RESPONSIVE ===== */

@media (max-width: 480px) {
    .toolbar-btn {
        padding: 10px 12px;
        font-size: 13px;
    }
    
    #exposureOverlay {
        right: 15px;
        height: 160px;
    }
    
    .exposure-bar {
        height: 140px;
    }
    
    #tempOverlay {
        width: 200px;
        bottom: 120px;
    }
    
    .temp-bar {
        width: 160px;
    }
    
    #shutterBtn {
        width: 70px;
        height: 70px;
        bottom: 85px;
    }
    
    #shutterBtn .shutter-inner {
        width: 48px;
        height: 48px;
    }
}

/* Landscape mode adjustments */
@media (max-height: 450px) {
    #toolbar {
        padding: 8px 10px calc(10px + env(safe-area-inset-bottom, 10px)) 10px;
    }
    
    .toolbar-btn {
        padding: 8px 10px;
        font-size: 12px;
    }
    
    #exposureOverlay {
        height: 100px;
        right: 85px;
    }
    
    .exposure-bar {
        height: 80px;
    }
    
    #tempOverlay {
        bottom: 70px;
    }

    /* Move drop-ups above the right-edge shutter in landscape */
    .dropup {
        bottom: auto;
        top: 60px;
    }

    .dropup-left {
        left: 12px;
    }

    .dropup-right {
        right: 85px; /* avoid shutter */
    }
    
    /* Shutter button on right edge in landscape */
    #shutterBtn {
        bottom: auto;
        left: auto;
        right: 15px;
        top: 50%;
        transform: translateY(-50%);
        width: 60px;
        height: 60px;
    }
    
    #shutterBtn .shutter-inner {
        width: 40px;
        height: 40px;
    }
}

/* Safe area adjustments for very tall notches (iPhone 14 Pro Max etc.) */
@supports (padding: max(0px)) {
    #toolbar {
        padding-bottom: max(12px, env(safe-area-inset-bottom, 20px));
    }
}