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

/* Splash Screen */
#splashScreen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    background-color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

#splashImage {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Base styles */
body {
    font-family: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
    background-color: #000;
    color: #fff;
    overflow: hidden;
    height: 100vh;
    /* Support for notch devices (iPhone X and later) */
    height: 100dvh; /* Dynamic viewport height */
    width: 100vw;
    /* Lock screen orientation to portrait */
    position: fixed;
    transform-origin: center center;
    /* Prevent user selection and context menu on mobile */
    -webkit-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
    /* Prevent pull-to-refresh on mobile browsers */
    overscroll-behavior: none;
}

/* Font Face - Futura */
@font-face {
    font-family: 'FuturaStdCondensed';
    src: url('./assets/FuturaStdCondensed.otf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'FuturaStdCondensed';
    src: url('./assets/FuturaStdCondensedExtraBd.otf') format('truetype');
    font-weight: bold;
    font-style: normal;
}

/* Camera container - fullscreen display */
#cameraContainer {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Camera preview */
#cameraPreview {
    width: 100%;
    height: 100%;
    object-fit: cover;
    background-color: #222;
}

/* Touch canvas - black background overlay for interaction */
#touchCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
    background-color: black; /* Hide camera preview */
    cursor: crosshair;
}

/* Resize preview canvas */
#resizePreview, .resize-preview {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 15;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s ease;
}

#resizePreview.active, .resize-preview.active {
    opacity: 1;
}

/* Control panel */
#controlPanel {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    gap: 15px;
    align-items: center;
    background: rgba(0, 0, 0, 0.7);
    padding: 15px 25px;
    border-radius: 25px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    flex-wrap: wrap;
    max-width: 90vw;
}

#controlPanel.minimized {
    opacity: 0;
    transform: translateX(-50%) translateY(100px);
    pointer-events: none;
}

.close-btn {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    color: #333;
    border: none;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    z-index: 11;
}

.close-btn:hover {
    background: rgba(255, 255, 255, 1);
    transform: scale(1.1);
}

.minimized-panel {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 10;
    opacity: 1;
    transform: scale(1);
    transition: all 0.3s ease;
}

.minimized-panel.hidden {
    opacity: 0;
    transform: scale(0.8) translateY(20px);
    pointer-events: none;
}

/* Corner Buttons */
.corner-btn {
    position: fixed;
    width: clamp(28px, 7vw, 42px);
    height: clamp(28px, 7vw, 42px);
    border: none;
    background-color: transparent;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    cursor: pointer;
    z-index: 100;
    transition: transform 0.3s ease;
    padding: 0;
    filter: brightness(0) invert(1);
    opacity: 1;
    /* Remove tap highlight on mobile */
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
    outline: none;
}

.corner-btn.instant-hide {
    opacity: 0;
    pointer-events: none;
    transition: none;
}

.corner-btn.fade-in {
    opacity: 1;
    pointer-events: auto;
    transition: opacity 1s ease;
}

.corner-btn:hover {
    transform: scale(1.1);
}

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

.corner-btn.bottom-left {
    bottom: 15px;
    left: 15px;
    width: clamp(20px, 5vw, 30px);
    height: clamp(20px, 5vw, 30px);
    background-image: url('./assets/button-save.svg');
}

/* Expand hit area for bottom-left button */
.corner-btn.bottom-left::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: clamp(60px, 15vw, 80px);
    height: clamp(60px, 15vw, 80px);
    z-index: -1;
}

.corner-btn.bottom-right {
    bottom: 15px;
    right: 15px;
    background-image: url('./assets/button-i.svg');
}

/* Expand hit area for bottom-right button */
.corner-btn.bottom-right::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: clamp(60px, 15vw, 80px);
    height: clamp(60px, 15vw, 80px);
    z-index: -1;
}

#expandBtn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    backdrop-filter: blur(10px);
}

#expandBtn:hover {
    background: rgba(0, 0, 0, 0.9);
    border-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.1);
}

.interval-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    min-width: 200px;
}

.interval-controls label {
    color: white;
    font-size: 14px;
    font-weight: 500;
}

.interval-controls input[type="range"] {
    width: 100%;
    height: 4px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.3);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.interval-controls input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #4CAF50;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.interval-controls input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #4CAF50;
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

/* Button styles */
button {
    padding: 10px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    /* Remove tap highlight on mobile */
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
    outline: none;
}

button:hover {
    transform: translateY(-2px);
}

button:active {
    transform: translateY(0);
}

button:disabled {
    background: #666;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Specific button styles */
#saveBtn {
    background: linear-gradient(135deg, #4CAF50 0%, #45a049 100%);
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
}

#saveBtn:hover {
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
}

#clearBtn {
    background: linear-gradient(135deg, #f44336 0%, #da190b 100%);
    box-shadow: 0 4px 15px rgba(244, 67, 54, 0.3);
}

#clearBtn:hover {
    box-shadow: 0 6px 20px rgba(244, 67, 54, 0.4);
}

/* Status display */
#statusDisplay {
    font-size: 12px;
    color: #ccc;
    background: rgba(255, 255, 255, 0.1);
    padding: 8px 15px;
    border-radius: 15px;
    min-width: 120px;
    text-align: center;
}

/* Error display */
#errorDisplay {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 20;
    background: rgba(244, 67, 54, 0.9);
    color: white;
    padding: 15px 25px;
    border-radius: 10px;
    font-size: 14px;
    max-width: 80%;
    text-align: center;
    display: none;
    animation: slideDown 0.3s ease;
}

#errorDisplay.show {
    display: block;
}

/* Fullscreen style adjustments */
body:fullscreen #controlPanel,
body:-webkit-full-screen #controlPanel,
body:-moz-full-screen #controlPanel {
    bottom: 30px;
}

/* Loading animation */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { left: -100%; }
    100% { left: 100%; }
}

@keyframes slideDown {
    from {
        transform: translateY(0);
        opacity: 1;
    }
    to {
        transform: translateY(100%);
        opacity: 0;
    }
}

@keyframes zoomIn {
    from {
        transform: scale(1.5);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes zoomOut {
    from {
        transform: scale(1);
        opacity: 1;
    }
    to {
        transform: scale(1.5);
        opacity: 0;
    }
}

/* Fade-in effect */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

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

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    /* PWA safe area: extend modal to cover status bar area */
    margin-top: calc(-1 * env(safe-area-inset-top, 0px));
    padding-top: env(safe-area-inset-top, 0px);
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    font-family: 'FuturaStdCondensed', -apple-system, BlinkMacSystemFont, sans-serif;
    transition: transform 0.3s ease-out, opacity 0.3s ease-out;
}

.modal.show {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: slideUp 0.3s ease-out forwards;
}

.modal.hide {
    animation: slideDown 0.3s ease-out forwards;
}

/* Help Modal specific animations */
#helpModal {
    background-color: rgba(0, 0, 0, 0.5);
}

#helpModal.show {
    animation: zoomIn 0.4s ease-out forwards;
}

#helpModal.hide {
    animation: zoomOut 0.4s ease-out forwards;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-content {
    position: relative;
    width: 90%;
    max-width: 600px;
    height: 90vh;
    max-height: 800px;
    display: flex;
    flex-direction: column;
    padding: 0;
}

.modal-text {
    flex: 1;
    overflow-y: auto;
    padding: clamp(40px, 5vw, 40px);
    color: #ffffff;
    font-size: clamp(20px, 5vw, 28px);
    line-height: 1.8;
    letter-spacing: 0.08em;
    -webkit-overflow-scrolling: touch;
    font-family: 'FuturaStdCondensed', -apple-system, BlinkMacSystemFont, sans-serif;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.modal-text h2 {
    font-size: clamp(42px, 9vw, 56px);
    margin-bottom: 0;
    color: #ffffff;
    letter-spacing: 0.03em;
    font-family: 'FuturaStdCondensed', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1em;
    
}

.modal-text h3 {
    font-size: clamp(28px, 7vw, 38px);
    /* margin-top: clamp(20px, 5vw, 32px); */
    margin-bottom: clamp(12px, 3vw, 16px);
    color: #ffffff;
    letter-spacing: 0.1em;
    font-family: 'FuturaStdCondensed', -apple-system, BlinkMacSystemFont, sans-serif;
    font-weight: normal;
}

.modal-text p {
    margin-bottom: clamp(12px, 3vw, 16px);
    letter-spacing: 0.05em;
    font-family: 'FuturaStdCondensed', -apple-system, BlinkMacSystemFont, sans-serif;
}

.modal-text ul {
    margin-left: clamp(20px, 5vw, 30px);
    margin-bottom: clamp(12px, 3vw, 16px);
    font-family: 'FuturaStdCondensed', -apple-system, BlinkMacSystemFont, sans-serif;
    list-style: none;
    padding-left: 0;
}

.modal-text li {
    margin-bottom: clamp(8px, 2vw, 12px);
    font-family: 'FuturaStdCondensed', -apple-system, BlinkMacSystemFont, sans-serif;
    padding-left: clamp(25px, 6vw, 35px);
    position: relative;
    letter-spacing: 0.05em;
}

.modal-text li::before {
    content: '■';
    position: absolute;
    left: 0;
    color: #ffffff;
}

.modal-close-btn {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: clamp(28px, 7vw, 42px);
    height: clamp(28px, 7vw, 42px);
    border: none;
    background: none;
    padding: 0;
    cursor: pointer;
    transition: transform 0.3s ease;
    z-index: 10;
    box-shadow: none;
    text-shadow: none;
    outline: none;
    /* Remove tap highlight on mobile */
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
}

.modal-close-btn::before {
    content: '';
    display: block;
    width: 100%;
    height: 100%;
    background-image: url('./assets/button-x.svg');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    filter: brightness(0) invert(1);
}

.modal-close-btn:hover {
    transform: scale(1.1);
    box-shadow: none;
}

.modal-close-btn:active {
    transform: scale(0.95);
    box-shadow: none;
}

/* Settings Modal specific styles */
#settingsModal {
    background-color: transparent;
    background-image: url('./assets/extendBG.png');
    background-size: cover;
    background-position: center top;
    background-repeat: no-repeat;
}

.settings-modal-content {
    width: 100%;
    height: 100%;
    max-width: none;
    max-height: none;
    background: transparent;
}

.settings-close-btn {
    left: 20px;
    right: auto;
}

/* Settings Modal UI Components */
.settings-container {
    position: relative;
    width: 100%;
    height: 100%;
    padding: clamp(30px, 8vw, 60px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: clamp(30px, 6vw, 50px);
    overflow-y: auto;
}

/* ImageViewer - Top Right */
.image-viewer-container {
    position: absolute;
    top: 0;
    right: clamp(30px, 8vw, 60px);
    z-index: 10;
}

.image-viewer {
    width: clamp(80px, 20vw, 150px);
    height: clamp(80px, 20vw, 150px);
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: clamp(4px, 1vw, 8px);
    background-color: rgba(0, 0, 0, 0.3);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transition: width 0.3s ease, height 0.3s ease;
}

.settings-section {
    display: flex;
    flex-direction: column;
    gap: clamp(12px, 3vw, 20px);
}

/* Slide Switch */
.slide-switch {
    display: inline-flex;
    width: fit-content;
    background-color: rgba(180, 180, 180, 0.5);
    border-radius: clamp(8px, 2vw, 12px);
    padding: clamp(3px, 0.8vw, 5px);
    gap: clamp(3px, 0.8vw, 5px);
}

.slide-option {
    font-family: 'FuturaStdCondensed', -apple-system, BlinkMacSystemFont, sans-serif;
    padding: clamp(10px, 2.5vw, 15px) clamp(25px, 6vw, 40px);
    font-size: clamp(18px, 4vw, 26px);
    background: transparent !important;
    background-color: transparent !important;
    background-image: none !important;
    color: #000000;
    border: none;
    border-radius: clamp(6px, 1.5vw, 10px);
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.03em;
    font-weight: normal;
    box-shadow: none !important;
    text-shadow: none !important;
    transform: none !important;
}

.slide-option:hover {
    color: #000000;
    opacity: 0.8;
    transform: none !important;
    box-shadow: none !important;
}

.slide-option.active {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(230, 230, 230, 0.95) 100%) !important;
    background-color: transparent !important;
    color: #000000;
    font-weight: normal;
    transform: none !important;
    box-shadow: none !important;
}

.settings-title {
    font-family: 'FuturaStdCondensed', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: clamp(28px, 6vw, 42px);
    font-weight: normal;
    color: #ffffff;
    margin: 0;
    letter-spacing: 0.05em;
}

.settings-btn-large {
    font-family: 'FuturaStdCondensed', -apple-system, BlinkMacSystemFont, sans-serif;
    width: 100%;
    padding: clamp(15px, 4vw, 22px) clamp(20px, 5vw, 30px);
    font-size: clamp(18px, 4vw, 26px);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(230, 230, 230, 0.95) 100%);
    color: #000000;
    border: none;
    border-radius: clamp(8px, 2vw, 12px);
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.03em;
    font-weight: normal;
}

.settings-btn-large:hover {
    background: linear-gradient(180deg, rgba(255, 255, 255, 1) 0%, rgba(240, 240, 240, 1) 100%);
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: clamp(60px, 15vw, 80px);
    height: clamp(32px, 8vw, 44px);
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.3);
    transition: 0.4s;
    border-radius: clamp(32px, 8vw, 44px);
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: clamp(24px, 6vw, 36px);
    width: clamp(24px, 6vw, 36px);
    left: clamp(4px, 1vw, 4px);
    bottom: clamp(4px, 1vw, 4px);
    background-color: white;
    transition: 0.4s;
    border-radius: 50%;
}

input:checked + .toggle-slider {
    background-color: #4cd964;
}

input:checked + .toggle-slider:before {
    transform: translateX(clamp(28px, 7vw, 36px));
}

/* Mobile adjustments */
@media (max-width: 768px) {
    #controlPanel {
        bottom: 10px;
        padding: 12px 20px;
        gap: 10px;
    }
    
    button {
        padding: 8px 16px;
        font-size: 12px;
    }
    
    #statusDisplay {
        font-size: 11px;
        padding: 6px 12px;
        min-width: 100px;
    }
    
    .modal-content {
        width: 95%;
        height: 95vh;
    }
    
    .modal-text {
        padding-bottom: 80px; /* Space for close button */
    }
}

/* Landscape phone support */
@media (max-height: 500px) and (orientation: landscape) {
    .modal-text h2 {
        font-size: 32px;
        margin-bottom: 12px;
    }
    
    .modal-text h3 {
        font-size: 24px;
        margin-top: 16px;
        margin-bottom: 8px;
    }
    
    .modal-text {
        font-size: 18px;
        line-height: 1.6;
    }
}

/* PWA standalone mode - MUST be at end to override other styles */
@media all and (display-mode: standalone) {
    #cameraContainer {
        bottom: 34px;
    }
    .modal {
        top: 47px;
        bottom: 34px;
    }
    .corner-btn.bottom-left,
    .corner-btn.bottom-right {
        bottom: 49px;
    }
}