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

:root {
    /* Dynamsoft Brand Colors */
    --dynamsoft-orange: #FE8E14;
    --dynamsoft-orange-hover: #FEA543;
    --dynamsoft-orange-light: #FEF0E1;
    --blumine: #306877;
    --blumine-dark: #27555F;
    --turquoise: #6AC4BB;
    --turquoise-light: #88D0C9;
    
    /* Dynamsoft Grey Scale */
    --dynamsoft-gray-dark: #323234;
    --dynamsoft-gray: #606060;
    --dynamsoft-gray-medium: #999999;
    --dynamsoft-gray-light: #CCCCCC;
    --dynamsoft-gray-lighter: #DDDDDD;
    --dynamsoft-gray-lightest: #F5F5F5;
    --white: #ffffff;
    --black: #000000;
    
    /* Semantic Colors */
    --primary: var(--dynamsoft-orange);
    --primary-dark: var(--dynamsoft-orange-hover);
    --primary-light: var(--dynamsoft-orange-light);
    --success: var(--turquoise);
    --success-dark: var(--turquoise-light);
    --warning: var(--dynamsoft-orange);
    --danger: #ef4444;
    
    /* Background Colors */
    --bg-dark: var(--dynamsoft-gray-dark);
    --bg-medium: var(--dynamsoft-gray);
    --bg-light: var(--dynamsoft-gray-lightest);
    
    /* Text Colors */
    --text-primary: var(--white);
    --text-secondary: var(--dynamsoft-gray-light);
    --text-muted: var(--dynamsoft-gray-medium);
    
    /* Border Colors */
    --border-color: var(--dynamsoft-gray);
    --border-light: var(--dynamsoft-gray-lighter);
    
    /* Shadows */
    --shadow: 0 4px 6px -1px rgba(50, 50, 52, 0.1), 0 2px 4px -2px rgba(50, 50, 52, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(50, 50, 52, 0.1), 0 4px 6px -4px rgba(50, 50, 52, 0.1);
}

html, body {
    height: 100%;
    font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    overflow: hidden;
}

/* Screens */
.screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.screen.hidden {
    display: none;
}

/* Initialization Overlay */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: opacity 0.3s ease;
}

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

.init-content {
    text-align: center;
    padding: 2rem;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--dynamsoft-gray);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1.5rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.init-content h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.init-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Camera Container */
#camera-container {
    flex: 1;
    position: relative;
    background: var(--black);
    overflow: hidden;
}

#camera-view {
    width: 100%;
    height: 100%;
}

#camera-view > div {
    width: 100% !important;
    height: 100% !important;
}

/* Status Bar */
#status-bar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    padding: 1rem;
    background: linear-gradient(to bottom, rgba(50, 50, 52, 0.8), transparent);
    z-index: 10;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

#status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    background: rgba(50, 50, 52, 0.7);
    backdrop-filter: blur(8px);
    font-size: 0.85rem;
    font-weight: 500;
}

.top-actions {
    display: flex;
    gap: 0.5rem;
}

.icon-button {
    background: rgba(50, 50, 52, 0.7);
    backdrop-filter: blur(8px);
    border: none;
    border-radius: 0.5rem;
    padding: 0.5rem;
    color: var(--white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: background 0.2s;
    width: 40px;
    height: 36px;
}

.icon-button:hover {
    background: rgba(50, 50, 52, 0.9);
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    animation: pulse 1.5s ease-in-out infinite;
}

.status-searching .status-dot {
    background: var(--warning);
}

.status-stable .status-dot {
    background: var(--success);
    animation: none;
}

.status-capturing .status-dot {
    background: var(--primary);
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

/* Control Bar */
#control-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    background: var(--dynamsoft-gray);
    border-top: 1px solid var(--border-color);
    min-height: 100px;
}

.control-left, .control-right {
    flex: 1;
    display: flex;
    align-items: center;
}

.control-right {
    justify-content: flex-end;
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    width: 50px;
    height: 28px;
}

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

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--dynamsoft-gray-medium);
    border-radius: 28px;
    transition: 0.3s;
}

.toggle-slider::before {
    position: absolute;
    content: "";
    height: 22px;
    width: 22px;
    left: 3px;
    bottom: 3px;
    background: var(--white);
    border-radius: 50%;
    transition: 0.3s;
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--turquoise);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(22px);
}

.toggle-label {
    margin-left: 0.75rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Capture Button */
.capture-button {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--white);
    border: 4px solid var(--primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.1s, box-shadow 0.2s;
}

.capture-button:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(254, 142, 20, 0.4);
}

.capture-button:active {
    transform: scale(0.95);
}

.capture-inner {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--white);
    border: 2px solid var(--dynamsoft-gray-lighter);
}

.capture-button.capturing .capture-inner {
    background: var(--primary);
    animation: pulse 0.5s ease-in-out infinite;
}

/* Camera Dropdown */
.camera-dropdown {
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    background: var(--dynamsoft-gray-medium);
    color: var(--white);
    border: none;
    font-size: 0.85rem;
    cursor: pointer;
    max-width: 140px;
}

.camera-dropdown:focus {
    outline: 2px solid var(--primary);
}

/* Result Screen */
#result-screen {
    background: var(--bg-dark);
    overflow: auto;
}

.result-header {
    padding: 1.5rem;
    background: var(--dynamsoft-gray);
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}

.result-header h2 {
    font-size: 1.25rem;
}

.result-content {
    flex: 1;
    padding: 1.5rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.result-section {
    background: var(--dynamsoft-gray);
    border-radius: 1rem;
    padding: 1rem;
}

.result-section h3 {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.image-wrapper {
    background: var(--bg-dark);
    border-radius: 0.5rem;
    padding: 0.5rem;
    text-align: center;
}

.image-wrapper img {
    max-width: 100%;
    max-height: 300px;
    border-radius: 0.25rem;
    object-fit: contain;
}

.barcode-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.barcode-item {
    background: var(--bg-dark);
    padding: 1rem;
    border-radius: 0.5rem;
    border-left: 4px solid var(--primary);
}

.barcode-format {
    font-size: 0.75rem;
    color: var(--primary);
    text-transform: uppercase;
    margin-bottom: 0.25rem;
}

.barcode-value {
    font-family: 'Courier New', monospace;
    word-break: break-all;
    font-size: 0.9rem;
}

.no-barcode {
    color: var(--text-secondary);
    text-align: center;
    padding: 2rem;
}

/* Result Actions */
.result-actions {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--dynamsoft-gray);
    border-top: 1px solid var(--border-color);
}

.action-btn {
    flex: 1;
    padding: 1rem;
    border-radius: 0.75rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: transform 0.1s, background 0.2s;
}

.action-btn:active {
    transform: scale(0.98);
}

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

.action-btn.primary:hover {
    background: var(--primary-dark);
}

.action-btn.secondary {
    background: var(--dynamsoft-gray-medium);
    color: var(--white);
}

.action-btn.secondary:hover {
    background: var(--dynamsoft-gray-light);
}

/* Toast */
.toast {
    position: fixed;
    bottom: 120px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--blumine);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: 2rem;
    font-size: 0.9rem;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transition: transform 0.3s, opacity 0.3s;
    z-index: 100;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* License Screen */
#license-screen {
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--blumine-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.license-container {
    max-width: 480px;
    width: 100%;
}

.license-header {
    text-align: center;
    margin-bottom: 2rem;
}

.license-header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.license-header .subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
}

.license-card {
    background: var(--dynamsoft-gray);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
}

.license-card h2 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.license-card .info-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.license-card .info-text a {
    color: var(--primary);
    text-decoration: none;
}

.license-card .info-text a:hover {
    text-decoration: underline;
}

.input-group {
    margin-bottom: 1.5rem;
}

.input-group input {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    background: var(--bg-dark);
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: border-color 0.2s;
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary);
}

.input-group input::placeholder {
    color: var(--dynamsoft-gray-medium);
}

.activate-btn {
    width: 100%;
    padding: 1rem;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 0.75rem;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
}

.activate-btn:hover {
    background: var(--primary-dark);
}

.activate-btn:active {
    transform: scale(0.98);
}

/* Control Groups */
.control-group {
    display: flex;
    align-items: center;
    margin-right: 1rem;
}

.control-left {
    flex: 1;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* History Button */
.history-button {
    background: rgba(50, 50, 52, 0.7);
    backdrop-filter: blur(8px);
    border: none;
    border-radius: 0.5rem;
    padding: 0.5rem 0.75rem;
    color: var(--white);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    transition: background 0.2s;
    height: 36px;
}

.history-button:hover {
    background: rgba(50, 50, 52, 0.9);
}

.history-count {
    background: var(--primary);
    padding: 0.15rem 0.5rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Settings Modal */
.settings-modal {
    background: var(--dynamsoft-gray);
    width: 90%;
    max-width: 500px;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    color: var(--white);
}

.settings-header {
    background: var(--dynamsoft-gray-dark);
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.settings-header h2 {
    font-size: 1.2rem;
    margin: 0;
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.close-btn:hover {
    color: var(--white);
}

.settings-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.setting-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.setting-item label {
    font-weight: 600;
    font-size: 0.95rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.setting-item .tooltip {
    font-weight: 400;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.range-input-group {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.range-input-group input[type="range"] {
    flex: 1;
    cursor: pointer;
}

.range-input-group span {
    background: var(--bg-dark);
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    min-width: 40px;
    text-align: center;
    font-family: monospace;
}

.settings-footer {
    padding: 1rem 1.5rem;
    background: var(--bg-dark);
    border-top: 1px solid var(--border-color);
    text-align: right;
}

/* History Screen */
#history-screen {
    background: var(--bg-dark);
}

#history-screen .result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
}

#history-screen .result-header h2 {
    flex: 1;
    text-align: center;
}

.back-button, .clear-button {
    background: none;
    border: none;
    color: var(--primary);
    font-size: 0.9rem;
    cursor: pointer;
    padding: 0.5rem;
}

.back-button:hover, .clear-button:hover {
    text-decoration: underline;
}

.clear-button {
    color: var(--danger);
}

.history-content {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
}

.no-history {
    color: var(--text-secondary);
    text-align: center;
    padding: 3rem 1rem;
}

.history-item {
    background: var(--dynamsoft-gray);
    border-radius: 0.75rem;
    margin-bottom: 1rem;
    overflow: hidden;
}

.history-item-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--dynamsoft-gray-medium);
    cursor: pointer;
}

.history-item-header:hover {
    background: var(--dynamsoft-gray-light);
}

.history-item-time {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.history-item-count {
    font-size: 0.75rem;
    background: var(--primary);
    padding: 0.2rem 0.5rem;
    border-radius: 0.5rem;
}

.history-item-body {
    display: none;
    padding: 1rem;
}

.history-item.expanded .history-item-body {
    display: block;
}

.history-thumb {
    max-width: 100%;
    max-height: 200px;
    border-radius: 0.5rem;
    margin-bottom: 0.75rem;
}

.history-barcode {
    background: var(--bg-dark);
    padding: 0.75rem;
    border-radius: 0.5rem;
    margin-top: 0.5rem;
    border-left: 3px solid var(--primary);
}

.history-barcode-format {
    font-size: 0.7rem;
    color: var(--primary);
    text-transform: uppercase;
}

.history-barcode-value {
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    word-break: break-all;
}

/* Dynamsoft SDK License Popup Fix */
.dls-license-msg-content {
    color: #323234 !important;
    background: #ffffff !important;
}

.dls-license-msg-content a {
    color: #FE8E14 !important;
}

.dls-license-msg-content a:hover {
    color: #FEA543 !important;
}

/* Responsive */
@media (min-width: 768px) {
    .result-content {
        flex-direction: row;
    }

    .result-section {
        flex: 1;
    }

    .image-wrapper img {
        max-height: 400px;
    }
}

@media (min-width: 1024px) {
    #control-bar {
        padding: 1.5rem 3rem;
    }

    .capture-button {
        width: 80px;
        height: 80px;
    }

    .capture-inner {
        width: 64px;
        height: 64px;
    }
}