:root {
    color-scheme: light dark;
    --bg-main: #0c0f16;
    --bg-card: rgba(15, 19, 29, 0.9);
    --bg-card-light: #ffffff;
    --accent: #1fb997;
    --accent-dark: #139272;
    --accent-soft: rgba(31, 185, 151, 0.15);
    --danger: #ff5c72;
    --warning: #ffa733;
    --text-primary: #e9f1fb;
    --text-secondary: #9faac1;
    --shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
    --radius: 16px;
    --transition: 0.24s ease;
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

.hidden {
    display: none !important;
}

body {
    margin: 0;
    min-height: 100vh;
    background: radial-gradient(circle at top, rgba(31, 185, 151, 0.08), transparent 70%),
        linear-gradient(160deg, #020409, #05060f 55%, #0b1221 100%);
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
}

.login-body {
    justify-content: center;
    align-items: center;
    padding: clamp(1.5rem, 8vw, 3rem) 1.5rem;
}

.auth-container {
    width: min(100%, 480px);
}

.auth-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    padding: clamp(2rem, 6vw, 2.75rem);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    display: grid;
    gap: 1.75rem;
}

.auth-header h1 {
    margin: 0 0 0.35rem 0;
    font-size: clamp(1.65rem, 6vw, 2.35rem);
}

.auth-header p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.4;
}

.auth-form {
    display: grid;
    gap: 1rem;
}

.auth-form label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.auth-form input {
    width: 100%;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;
    padding: 0.85rem 1rem;
    background: rgba(255, 255, 255, 0.06);
    color: inherit;
    font-size: 1rem;
}

.auth-error {
    margin: 0;
    padding: 0.75rem 1rem;
    border-radius: 12px;
    background: rgba(255, 92, 114, 0.14);
    color: #ff93a5;
    font-size: 0.95rem;
}

.primary-btn,
.secondary-btn,
.danger-btn {
    appearance: none;
    border: none;
    border-radius: 14px;
    font-size: 1rem;
    font-weight: 600;
    padding: 0.85rem 1.4rem;
    transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.primary-btn {
    background: linear-gradient(135deg, var(--accent), #35d8b5);
    color: #021614;
    box-shadow: 0 18px 32px rgba(31, 185, 151, 0.2);
}

.primary-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    box-shadow: none;
}

.primary-btn:not(:disabled):active {
    transform: translateY(1px);
}

.danger-btn {
    background: linear-gradient(135deg, var(--danger), #ff92a3);
    color: #2a0106;
    box-shadow: 0 18px 32px rgba(255, 92, 114, 0.25);
}

.danger-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    box-shadow: none;
}

.danger-btn:not(:disabled):active {
    transform: translateY(1px);
}

.secondary-btn {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

.secondary-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.app-body {
    padding: clamp(1rem, 6vw, 1.75rem);
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: clamp(1.25rem, 6vw, 2rem);
}

.top-bar h1 {
    margin: 0;
    font-size: clamp(1.4rem, 6vw, 2rem);
}

.top-bar p {
    margin: 0.25rem 0 0;
    color: var(--text-secondary);
}

.top-bar nav {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

.user-chip {
    display: inline-flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: center;
    padding: 0.5rem 0.9rem;
    margin-right: 0.75rem;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    font-size: 0.75rem;
    line-height: 1.2;
}

.user-chip strong {
    font-size: 0.85rem;
}

.user-chip small {
    color: var(--text-secondary);
}

.app-main {
    display: grid;
    gap: clamp(1.25rem, 5vw, 1.75rem);
}

.card {
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: clamp(1.5rem, 6vw, 2rem);
    display: grid;
    gap: 1.25rem;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.card.disabled {
    opacity: 0.5;
    pointer-events: none;
}

.card-header h2 {
    margin: 0;
    font-size: clamp(1.1rem, 4vw, 1.4rem);
}

.card-header p {
    margin: 0.4rem 0 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.video-wrapper {
    position: relative;
    border-radius: 18px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.05);
    min-height: 260px;
    display: flex;
    align-items: center;
    justify-content: center;
}

video {
    width: 100%;
    height: auto;
    display: block;
    border-radius: inherit;
    background: #010409;
}

.video-overlay {
    position: absolute;
    inset: 0;
    border: 60px solid rgba(0, 0, 0, 0.4);
    border-radius: 24px;
    pointer-events: none;
    transition: opacity var(--transition);
}

.video-overlay.disabled {
    opacity: 0.3;
}

.camera-status {
    position: absolute;
    bottom: 12px;
    left: 12px;
    right: 12px;
    margin: 0;
    background: rgba(2, 6, 15, 0.72);
    border-radius: 12px;
    padding: 0.65rem 0.9rem;
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.camera-status[data-state="success"] {
    color: #78f6d9;
}

.camera-status[data-state="warning"] {
    color: var(--warning);
}

.camera-status[data-state="error"] {
    color: var(--danger);
}

.action-row {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.manual-form {
    display: grid;
    gap: 0.85rem;
}

.manual-form.hidden {
    display: none;
}

.manual-input {
    display: flex;
    gap: 0.5rem;
}

.manual-input input {
    flex: 1;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 0.8rem 1rem;
    background: rgba(255, 255, 255, 0.07);
    color: inherit;
}

.note {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.6rem 0.9rem;
    border-radius: 999px;
    background: var(--accent-soft);
    color: #54e7c8;
    font-weight: 600;
    font-size: 0.95rem;
}

.status-pill.hidden {
    display: none;
}

.photo-preview {
    position: relative;
    border-radius: 18px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.05);
    min-height: 260px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.photo-preview img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: inherit;
}

.photo-preview img.hidden,
.photo-preview video.hidden {
    display: none;
}

.submit-fields {
    display: grid;
    gap: 1rem;
}

.toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.toggle input {
    width: 48px;
    height: 26px;
    border-radius: 999px;
    appearance: none;
    background: rgba(255, 255, 255, 0.12);
    position: relative;
    outline: none;
    transition: background var(--transition);
    cursor: pointer;
}

.toggle input::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #fff;
    transition: transform var(--transition);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}

.toggle input:checked {
    background: rgba(31, 185, 151, 0.6);
}

.toggle input:checked::after {
    transform: translateX(22px);
}

.status-area {
    min-height: 1.5rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.toast {
    position: fixed;
    left: 50%;
    bottom: 2rem;
    transform: translate(-50%, 120%);
    background: rgba(18, 24, 39, 0.9);
    backdrop-filter: blur(10px);
    padding: 0.9rem 1.4rem;
    border-radius: 12px;
    color: var(--text-primary);
    box-shadow: 0 14px 28px rgba(0, 0, 0, 0.35);
    transition: transform var(--transition), opacity var(--transition);
    opacity: 0;
    z-index: 500;
}

.toast.visible {
    transform: translate(-50%, 0);
    opacity: 1;
}

@media (min-width: 900px) {
    .app-main {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .app-main .card {
        min-height: 100%;
    }

    .login-body {
        padding: 0 2rem;
    }
}

@media (prefers-color-scheme: light) {
    :root {
        --bg-main: #f5f7fb;
        --bg-card: rgba(255, 255, 255, 0.9);
        --text-primary: #11172a;
        --text-secondary: #4d5874;
        --shadow: 0 18px 40px rgba(13, 27, 62, 0.12);
    }

    body {
        background: radial-gradient(circle at top, rgba(31, 185, 151, 0.2), transparent 60%),
            linear-gradient(160deg, #edf1fb, #f4f7fd 55%, #ffffff 100%);
    }

    .auth-card,
    .card {
        border: 1px solid rgba(17, 23, 42, 0.08);
    }

    .user-chip {
        background: rgba(17, 23, 42, 0.08);
    }

    .secondary-btn {
        background: rgba(17, 23, 42, 0.06);
        color: inherit;
    }

    .manual-input input {
        background: rgba(17, 23, 42, 0.03);
        border: 1px solid rgba(17, 23, 42, 0.08);
    }

    .video-wrapper,
    .photo-preview {
        background: rgba(17, 23, 42, 0.06);
    }

    .camera-status {
        background: rgba(255, 255, 255, 0.85);
    }

    .toast {
        background: rgba(17, 23, 42, 0.92);
    }
}