/* ============================================
   Kinoteka OCR — Cinematic Archive Aesthetic
   ============================================ */

:root {
    --bg-deep: #0a0a0c;
    --bg-surface: #131317;
    --bg-card: #1a1a20;
    --bg-hover: #22222a;
    --border: #2a2a34;
    --border-subtle: #1e1e28;
    --text-primary: #e8e6e1;
    --text-secondary: #8a8890;
    --text-muted: #55535e;
    --accent: #c4a44a;
    --accent-dim: #8a7632;
    --accent-glow: rgba(196, 164, 74, 0.15);
    --danger: #c44a4a;
    --success: #4ac464;
    --font: 'Manrope', system-ui, sans-serif;
    --radius: 6px;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html, body {
    height: 100%;
    font-family: var(--font);
    background: var(--bg-deep);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    overflow: hidden;
}

/* Film grain overlay */
.film-grain {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Screens */
.screen {
    display: none;
    width: 100%;
    height: 100%;
}
.screen.active {
    display: flex;
}

/* ============================================
   LOGIN
   ============================================ */

#login-screen {
    align-items: center;
    justify-content: center;
    flex-direction: column;
    background:
        radial-gradient(ellipse at 30% 20%, rgba(196, 164, 74, 0.04) 0%, transparent 60%),
        var(--bg-deep);
}

.login-container {
    text-align: center;
    width: 100%;
    max-width: 340px;
    padding: 0 20px;
}

.login-brand {
    margin-bottom: 48px;
}

.login-brand h1 {
    font-size: 2.4rem;
    font-weight: 800;
    letter-spacing: 0.35em;
    color: var(--text-primary);
    margin: 16px 0 6px;
}

.brand-sub {
    font-size: 0.7rem;
    letter-spacing: 0.5em;
    color: var(--text-muted);
    font-weight: 400;
}

.brand-line {
    width: 40px;
    height: 1px;
    background: var(--accent);
    margin: 0 auto;
}

.login-form-wrap {
    text-align: left;
}

.login-form-wrap label {
    display: block;
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 6px;
    margin-top: 18px;
}

.login-form-wrap label:first-child {
    margin-top: 0;
}

.login-form-wrap input {
    width: 100%;
    padding: 12px 14px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.95rem;
    transition: border-color var(--transition);
    outline: none;
}

.login-form-wrap input:focus {
    border-color: var(--accent);
}

#login-btn {
    width: 100%;
    margin-top: 28px;
    padding: 14px;
    background: var(--accent);
    color: var(--bg-deep);
    border: none;
    border-radius: var(--radius);
    font-family: var(--font);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    cursor: pointer;
    transition: background var(--transition), transform 0.1s;
}

#login-btn:hover {
    background: #d4b45a;
}

#login-btn:active {
    transform: scale(0.98);
}

.login-error {
    color: var(--danger);
    font-size: 0.8rem;
    margin-top: 12px;
    min-height: 1.2em;
    text-align: center;
}

/* ============================================
   APP HEADER
   ============================================ */

.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    height: 56px;
    border-bottom: 1px solid var(--border-subtle);
    background: var(--bg-surface);
    flex-shrink: 0;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.header-brand {
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.3em;
    color: var(--accent);
}

.header-divider {
    color: var(--text-muted);
}

.header-title {
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--text-secondary);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.quota-display {
    display: flex;
    align-items: center;
    gap: 10px;
}

.quota-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}

.quota-bar-wrap {
    width: 80px;
    height: 4px;
    background: var(--bg-card);
    border-radius: 2px;
    overflow: hidden;
}

.quota-bar {
    height: 100%;
    background: var(--accent);
    border-radius: 2px;
    transition: width 0.5s ease;
    width: 0%;
}

.quota-text {
    font-size: 0.7rem;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
}

.btn-logout {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    width: 32px;
    height: 32px;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 1rem;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-logout:hover {
    border-color: var(--danger);
    color: var(--danger);
}

/* ============================================
   APP MAIN
   ============================================ */

#app-screen {
    flex-direction: column;
    background:
        radial-gradient(ellipse at 50% 0%, rgba(196, 164, 74, 0.03) 0%, transparent 50%),
        var(--bg-deep);
}

.app-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px;
    overflow-y: auto;
}

.state {
    display: none;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 620px;
    animation: fadeUp 0.4s ease both;
}

.state.active {
    display: flex;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   UPLOAD ZONE
   ============================================ */

.upload-zone {
    width: 100%;
    padding: 56px 32px;
    border: 2px dashed var(--border);
    border-radius: 12px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    background: var(--bg-surface);
}

.upload-zone:hover,
.upload-zone.drag-over {
    border-color: var(--accent);
    background: var(--accent-glow);
}

.upload-zone.drag-over {
    transform: scale(1.01);
}

.upload-icon {
    color: var(--text-muted);
    margin-bottom: 16px;
    transition: color var(--transition);
}

.upload-zone:hover .upload-icon {
    color: var(--accent);
}

.upload-text {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.upload-hint {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.upload-constraints {
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

/* ============================================
   FORMAT SELECTOR
   ============================================ */

.format-selector {
    width: 100%;
    margin-top: 28px;
}

.format-label {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.format-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.format-option {
    cursor: pointer;
}

.format-option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.format-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 18px 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-surface);
    transition: all var(--transition);
    text-align: center;
}

.format-option input:checked + .format-card {
    border-color: var(--accent);
    background: var(--accent-glow);
}

.format-card:hover {
    border-color: var(--accent-dim);
}

.format-icon {
    font-size: 1.4rem;
    margin-bottom: 8px;
}

.format-name {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.format-desc {
    font-size: 0.65rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* ============================================
   PROCESSING
   ============================================ */

.processing-visual {
    position: relative;
    width: 120px;
    height: 120px;
    margin-bottom: 28px;
}

.processing-icon {
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.scanner-line {
    position: absolute;
    top: 0;
    left: 10%;
    width: 80%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    animation: scan 2s ease-in-out infinite;
}

@keyframes scan {
    0%, 100% { top: 10%; opacity: 0.3; }
    50% { top: 90%; opacity: 1; }
}

.spin-slow {
    animation: spin 8s linear infinite;
}

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

.processing-text {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.processing-sub {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ============================================
   RESULT
   ============================================ */

.result-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    border: 2px solid var(--success);
    color: var(--success);
    font-size: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.result-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.result-filename {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 28px;
    word-break: break-all;
}

.result-actions {
    display: flex;
    gap: 12px;
}

.btn-download {
    padding: 14px 32px;
    background: var(--accent);
    color: var(--bg-deep);
    text-decoration: none;
    border-radius: var(--radius);
    font-family: var(--font);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    transition: background var(--transition);
}

.btn-download:hover {
    background: #d4b45a;
}

.btn-secondary {
    padding: 14px 24px;
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: var(--font);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    cursor: pointer;
    transition: all var(--transition);
}

.btn-secondary:hover {
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

/* ============================================
   ERROR
   ============================================ */

.error-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    border: 2px solid var(--danger);
    color: var(--danger);
    font-size: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.error-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.error-message {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 28px;
    text-align: center;
    max-width: 400px;
    line-height: 1.5;
}

/* ============================================
   FOOTER
   ============================================ */

.app-footer {
    padding: 12px 28px;
    text-align: center;
    font-size: 0.65rem;
    color: var(--text-muted);
    letter-spacing: 0.08em;
    border-top: 1px solid var(--border-subtle);
    flex-shrink: 0;
}

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

@media (max-width: 640px) {
    .format-options {
        grid-template-columns: 1fr;
    }

    .app-header {
        padding: 0 16px;
        flex-wrap: wrap;
        height: auto;
        padding-top: 10px;
        padding-bottom: 10px;
        gap: 8px;
    }

    .quota-bar-wrap {
        width: 50px;
    }

    .upload-zone {
        padding: 36px 20px;
    }

    .result-actions {
        flex-direction: column;
        width: 100%;
    }

    .btn-download, .btn-secondary {
        text-align: center;
        width: 100%;
    }
}