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

:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --text: #1e293b;
    --text-secondary: #64748b;
    --bg: #ffffff;
    --bg-light: #f8fafc;
    --border: #e2e8f0;
    --success: #10b981;
    --error: #ef4444;
    --accent: #55d2a6;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

#app {
    min-height: 100vh;
    min-height: -webkit-fill-available;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.app-container {
    width: 100%;
    max-width: 100%;
    margin: 0;
}

.step-container {
    background: var(--bg);
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.content-wrapper {
    padding: 40px 24px;
    text-align: center;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

h1 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 24px;
    line-height: 1.3;
    position: relative;
    display: inline-block;
    padding-bottom: 12px;
}

h1::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
}

h2 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
    line-height: 1.3;
    position: relative;
    display: inline-block;
    padding-bottom: 8px;
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
}

h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
    padding-bottom: 8px;
}

h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
}

.demo-text {
    text-align: left;
    margin: 32px 0;
    padding: 20px;
    background: var(--bg-light);
    border-radius: 8px;
    position: relative;
    border-left: 3px solid var(--accent);
}

.demo-text p {
    margin-bottom: 12px;
    color: var(--text);
    font-size: 15px;
}

.demo-text ul {
    margin: 12px 0;
    padding-left: 24px;
}

.demo-text li {
    margin: 8px 0;
    color: var(--text);
    font-size: 15px;
}

.note {
    font-size: 14px;
    color: var(--text-secondary);
    font-style: italic;
    margin-top: 16px;
}

.header {
    padding: 20px 24px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    position: relative;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent);
}

.progress-bar {
    width: 100%;
    height: 4px;
    background: var(--bg-light);
    border-radius: 2px;
    margin-top: 12px;
    overflow: hidden;
    position: relative;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--accent);
    opacity: 0.3;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
    transition: width 0.3s ease;
    border-radius: 2px;
    position: relative;
    z-index: 1;
}

.btn {
    padding: 14px 28px;
    font-size: 15px;
    font-weight: 600;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-align: center;
    min-width: 140px;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-large {
    padding: 16px 36px;
    font-size: 16px;
    min-width: 200px;
    font-weight: 600;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #3b82f6 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-hover) 0%, var(--primary) 100%);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.4);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0) scale(0.98);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
    background: white;
    color: var(--text);
    border: 2px solid var(--border);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.btn-secondary:hover {
    background: var(--bg-light);
    border-color: var(--accent);
    box-shadow: 0 4px 12px rgba(85, 210, 166, 0.15);
    transform: translateY(-2px);
}

.btn-secondary:active {
    transform: translateY(0) scale(0.98);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05) !important;
}

.btn-icon {
    font-size: 18px;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.capture-icon {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: white;
    border: 2px solid white;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.3);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 8px;
    position: relative;
}

.capture-icon::before {
    content: '';
    position: absolute;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: white;
    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.1);
}

.switch-icon {
    font-size: 24px;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.capture-area {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.camera-container {
    position: relative;
    width: 100%;
    max-width: 100%;
    margin: 0 auto 24px;
    background: #000;
    border-radius: 0;
    overflow: hidden;
}

.video-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 112.5%;
    background: #000;
}

video, canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    /* Явно отключаем зеркалирование для всех камер */
    transform: none;
    -webkit-transform: none;
}

canvas {
    pointer-events: none;
}

.overlay-canvas {
    z-index: 2;
}

.camera-prompt {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.camera-prompt-content {
    text-align: center;
    padding: 24px;
    color: var(--text);
}

.camera-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.camera-prompt-content p {
    font-size: 16px;
    margin-bottom: 16px;
    color: var(--text);
    line-height: 1.5;
}

.error-text {
    color: var(--error);
}

.helper-text {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 12px;
}

.camera-controls {
    padding: 20px 24px;
    background: var(--bg);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    border-top: 1px solid var(--border);
    position: relative;
}

.camera-controls::before {
    content: '';
    position: absolute;
    top: 0;
    left: 24px;
    right: 24px;
    height: 2px;
    background: var(--accent);
    opacity: 0.4;
}

.btn-switch-camera {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: 2px solid var(--border);
    background: var(--bg);
    color: var(--text);
    font-size: 22px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0;
    margin: 0;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    position: relative;
    overflow: hidden;
}

.btn-switch-camera::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(85, 210, 166, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.4s, height 0.4s;
}

.btn-switch-camera:hover {
    background: var(--bg-light);
    border-color: var(--accent);
    box-shadow: 0 4px 12px rgba(85, 210, 166, 0.2);
    transform: translateY(-2px) rotate(90deg);
}

.btn-switch-camera:hover::before {
    width: 100px;
    height: 100px;
}

.btn-switch-camera:active {
    transform: translateY(0) scale(0.95) rotate(90deg);
}

.preview-container {
    padding: 24px;
    text-align: center;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.preview-container h3 {
    display: inline-block;
    padding: 8px 16px;
    border: 2px solid var(--accent);
    border-radius: 8px;
    margin-bottom: 16px;
}

.preview-container h3::after {
    display: none; /* Убираем зеленую черточку */
}

.preview-image {
    max-width: 100%;
    width: 100%;
    max-width: 167px; /* Уменьшено в 1.5 раза (250px / 1.5 = 167px) */
    height: auto;
    border-radius: 8px;
    margin: 24px auto;
    border: 1px solid var(--border);
    /* Явно отключаем зеркалирование */
    transform: none;
    -webkit-transform: none;
}

.actions {
    margin-top: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    width: 100%;
}

.status-message {
    padding: 12px 16px;
    border-radius: 8px;
    margin: 16px 24px;
    text-align: center;
    font-size: 14px;
    font-weight: 500;
}

.status-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #6ee7b7;
}

.status-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

.status-info {
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid #93c5fd;
}

.results-container {
    padding: 40px 24px;
}

.result-section {
    margin: 24px 0;
    padding: 24px;
    background: var(--bg-light);
    border-radius: 8px;
    border: 1px solid var(--border);
    position: relative;
    border-left: 3px solid var(--accent);
}

.result-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 16px 0;
    border: 1px solid var(--border);
    /* Явно отключаем зеркалирование */
    transform: none;
    -webkit-transform: none;
}

.debug-info {
    margin-top: 20px;
    text-align: left;
}

.debug-info h4 {
    margin-bottom: 12px;
    color: var(--text);
    font-weight: 600;
    font-size: 16px;
}

.debug-info pre {
    background: var(--bg);
    color: var(--text);
    padding: 16px;
    border-radius: 8px;
    overflow-x: auto;
    font-size: 12px;
    line-height: 1.6;
    white-space: pre-wrap;
    word-wrap: break-word;
    border: 1px solid var(--border);
}

.result-actions {
    margin-top: 32px;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

/* Страница проверки */
.verifying-header {
    padding: 20px 24px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    text-align: center;
}

.verifying-header h1 {
    margin: 0;
    position: relative;
    display: inline-block;
    padding-bottom: 8px;
}

.verifying-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    padding: 40px 24px;
}

.verifying-spinner {
    position: relative;
    width: 160px; /* Увеличено в 2 раза (было 80px) */
    height: 160px; /* Увеличено в 2 раза (было 80px) */
    margin-bottom: 32px;
    animation: spinner-rotate 2.4s linear infinite; /* Замедлено в 2 раза (было 1.2s) */
    will-change: transform;
}

.spinner-segment {
    position: absolute;
    width: 12px; /* Увеличено в 2 раза (было 6px) */
    height: 40px; /* Увеличено в 2 раза (было 20px) */
    background: var(--accent);
    border-radius: 6px; /* Увеличено в 2 раза (было 3px) */
    top: 0;
    left: 50%;
    transform-origin: 50% 80px; /* Увеличено в 2 раза (было 40px) */
    transform: translateX(-50%) rotate(calc(var(--segment-index) * 22.5deg));
    animation: spinner-fade 2.4s ease-in-out infinite; /* Замедлено в 2 раза (было 1.2s) */
    animation-delay: calc(var(--segment-index) * 0.15s); /* Увеличено в 2 раза (было 0.075s) */
    will-change: opacity;
}

@keyframes spinner-fade {
    0%, 100% {
        opacity: 0.1;
    }
    50% {
        opacity: 1;
    }
}

@keyframes spinner-rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.verifying-container h2::after {
    display: none; /* Убираем зеленую черточку под заголовком на странице проверки */
}

.verifying-text {
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
    text-align: center;
    max-width: 300px;
    line-height: 1.5;
    margin: 0 0 40px 0;
    padding: 16px 24px;
    border: 2px solid var(--accent);
    border-radius: 12px;
    display: inline-block;
}

.verifying-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 40px;
    width: 100%;
    max-width: 400px;
}

.verifying-item {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 16px;
    font-weight: 500;
    color: var(--text);
}

.verifying-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent);
    animation: verifying-pulse 1.5s ease-in-out infinite;
    flex-shrink: 0;
}

.verifying-item:nth-child(1) .verifying-dot {
    animation-delay: 0s;
}

.verifying-item:nth-child(2) .verifying-dot {
    animation-delay: 0.3s;
}

.verifying-item:nth-child(3) .verifying-dot {
    animation-delay: 0.6s;
}

@keyframes verifying-pulse {
    0%, 100% {
        opacity: 0.3;
        transform: scale(0.8);
    }
    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}

.verifying-security {
    font-size: 12px;
    color: var(--text-secondary);
    text-align: center;
    max-width: 400px;
    line-height: 1.6;
    margin: 0;
    padding: 0 20px;
}

.fade-in {
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.spinner {
    border: 3px solid var(--bg-light);
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Медиа-запросы */
@media (max-width: 480px) {
    .content-wrapper {
        padding: 32px 20px;
    }

    h1 {
        font-size: 22px;
    }

    h2 {
        font-size: 18px;
    }

    .btn {
        padding: 12px 20px;
        font-size: 15px;
        min-width: 120px;
    }

    .btn-large {
        padding: 14px 28px;
        min-width: 160px;
    }

    .capture-area {
        padding: 20px;
    }

    .camera-container {
        min-height: 300px;
    }

    .header {
        padding: 16px 20px;
    }

    .camera-controls {
        padding: 16px 20px;
    }

    .preview-container {
        padding: 20px;
    }
}

@media (min-width: 481px) and (max-width: 768px) {
    .app-container {
        max-width: 600px;
        margin: 0 auto;
    }

    .step-container {
        border-radius: 12px;
        margin: 20px;
        min-height: auto;
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    }
}

@media (min-width: 769px) {
    #app {
        padding: 20px;
    }

    .app-container {
        max-width: 600px;
    }

    .step-container {
        border-radius: 12px;
        min-height: auto;
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    }

    .camera-container {
        border-radius: 12px;
        max-width: 100%;
    }
}

/* Ландшафтная ориентация */
@media (orientation: landscape) and (max-height: 500px) {
    .content-wrapper {
        padding: 20px 24px;
    }

    .camera-container {
        min-height: 250px;
    }
}

/* iOS Safari фиксы */
@supports (-webkit-touch-callout: none) {
    body {
        min-height: -webkit-fill-available;
    }

    #app {
        min-height: -webkit-fill-available;
    }
}