/* ═══════════════════════════════════════════════════════════════════
   VitaLumen Mobile — Stylesheet (Corrigido + OCR)
   Design System: "Slate & Sky" — consistente com Dashboard principal
   ═══════════════════════════════════════════════════════════════════ */

:root {
    --primary-color: #0284c7;
    --primary-hover: #0369a1;
    --primary-subtle: #e0f2fe;
    --success-color: #22c55e;
    --success-bg: #dcfce7;
    --warning-color: #f59e0b;
    --warning-bg: #fef3c7;
    --error-color: #ef4444;
    --error-bg: #fee2e2;
    --text-main: #1e293b;
    --text-secondary: #64748b;
    --text-tertiary: #94a3b8;
    --bg-main: #f8fafc;
    --bg-card: #ffffff;
    --border-color: #e2e8f0;
    --input-border: #cbd5e1;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    --radius: 8px;
    --radius-lg: 12px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    margin: 0;
    padding: 0;
    min-height: 100dvh;
    -webkit-font-smoothing: antialiased;
}

/* ── App Container ────────────────────────────────────────────── */

.app-container {
    max-width: 480px;
    margin: 0 auto;
    padding: 0 0 24px 0;
    min-height: 100dvh;
}

/* ── Header ───────────────────────────────────────────────────── */

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.header h1 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
}

.header-subtitle {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    font-weight: 500;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-icon {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    padding: 4px;
    color: var(--text-secondary);
    transition: color 0.2s;
}

.btn-icon:hover {
    color: var(--primary-color);
}

/* ── Tab Navigation ───────────────────────────────────────────── */

.tab-nav {
    display: flex;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 0;
    position: sticky;
    top: 57px;
    z-index: 99;
}

.tab-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 10px 8px;
    border: none;
    background: none;
    cursor: pointer;
    color: var(--text-tertiary);
    font-size: 0.75rem;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-btn:hover:not(.active) {
    color: var(--text-secondary);
    background: var(--bg-main);
}

.tab-icon {
    font-size: 1.25rem;
}

.tab-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

/* ── Tab Content ──────────────────────────────────────────────── */

.tab-content {
    display: none;
    padding: 16px 16px 0 16px;
    animation: fadeIn 200ms ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ── Card ─────────────────────────────────────────────────────── */

.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    margin-bottom: 16px;
}

.card-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-main);
    margin: 0 0 16px 0;
}

.card-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: -8px 0 16px 0;
    line-height: 1.4;
}

/* ── Form ─────────────────────────────────────────────────────── */

.form-group {
    margin-bottom: 16px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.form-label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--text-main);
    font-size: 0.85rem;
}

.form-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--input-border);
    border-radius: var(--radius);
    font-size: 1rem;
    color: var(--text-main);
    background-color: white;
    box-sizing: border-box;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.1);
}

.form-hint {
    display: block;
    margin-top: 4px;
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.form-hint code {
    background: var(--bg-main);
    padding: 1px 4px;
    border-radius: 3px;
    font-size: 0.7rem;
}

/* ── Buttons ──────────────────────────────────────────────────── */

.btn {
    width: 100%;
    padding: 12px;
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 500;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-hover);
}

.btn-secondary {
    background-color: var(--bg-main);
    color: var(--text-main);
    border-color: var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--border-color);
}

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

/* ── Status Indicator ─────────────────────────────────────────── */

.status-indicator {
    width: 10px;
    height: 10px;
    background: var(--error-color);
    border-radius: 50%;
    display: inline-block;
    transition: background 0.3s;
}

.status-indicator.online {
    background: var(--success-color);
    box-shadow: 0 0 6px rgba(34, 197, 94, 0.4);
}

/* ── Message Area ─────────────────────────────────────────────── */

.msg-area {
    text-align: center;
    padding: 10px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    min-height: 1.5em;
}

.msg-area.success {
    color: var(--success-color);
}

.msg-area.error {
    color: var(--error-color);
}

/* ── Upload Area (OCR) ────────────────────────────────────────── */

.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--bg-main);
    margin-bottom: 12px;
}

.upload-area:hover, .upload-area.dragover {
    border-color: var(--primary-color);
    background: var(--primary-subtle);
}

.upload-icon {
    font-size: 2.5rem;
    margin-bottom: 8px;
}

.upload-text {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-main);
    margin: 0 0 4px 0;
}

.upload-hint {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin: 0;
}

/* ── Image Preview ────────────────────────────────────────────── */

.image-preview-container {
    position: relative;
    margin-bottom: 12px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.image-preview-container.hidden {
    display: none;
}

.image-preview {
    width: 100%;
    max-height: 300px;
    object-fit: contain;
    background: var(--bg-main);
    display: block;
}

.btn-remove-image {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.6);
    color: white;
    border: none;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

/* ── OCR Actions (Camera/Gallery buttons) ─────────────────────── */

.ocr-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 12px;
}

/* ── OCR Results ──────────────────────────────────────────────── */

.ocr-confidence {
    padding: 10px 14px;
    border-radius: var(--radius);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 16px;
    text-align: center;
}

.ocr-confidence.alta {
    background: var(--success-bg);
    color: #166534;
}

.ocr-confidence.media {
    background: var(--warning-bg);
    color: #92400e;
}

.ocr-confidence.baixa, .ocr-confidence.falha {
    background: var(--error-bg);
    color: #991b1b;
}

.ocr-section {
    margin-bottom: 16px;
}

.ocr-section.hidden {
    display: none;
}

.section-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin: 0 0 10px 0;
}

/* ── Dados Grid ───────────────────────────────────────────────── */

.dados-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.dado-item {
    background: var(--bg-main);
    padding: 10px 12px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

.dado-label {
    font-size: 0.7rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 2px;
}

.dado-value {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-main);
    word-break: break-word;
}

.dado-item.full-width {
    grid-column: 1 / -1;
}

/* ── CIDs List ────────────────────────────────────────────────── */

.cids-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.cid-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    border-radius: var(--radius);
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    font-size: 0.85rem;
}

.cid-code {
    font-weight: 700;
    font-family: 'Courier New', monospace;
    color: var(--primary-color);
}

.cid-desc {
    flex: 1;
    margin-left: 10px;
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.cid-badge {
    font-size: 0.65rem;
    padding: 2px 6px;
    border-radius: 10px;
    font-weight: 600;
    white-space: nowrap;
}

.cid-badge.elegivel {
    background: var(--success-bg);
    color: #166534;
}

.cid-badge.nao-elegivel {
    background: var(--bg-main);
    color: var(--text-tertiary);
    border: 1px solid var(--border-color);
}

/* ── OCR Raw Text ─────────────────────────────────────────────── */

.ocr-text-details {
    margin-top: 12px;
}

.ocr-text-details summary {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 6px 0;
}

.ocr-raw-text {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 12px;
    font-size: 0.75rem;
    line-height: 1.5;
    max-height: 200px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-word;
    font-family: 'Courier New', monospace;
    color: var(--text-secondary);
}

/* ── Modal ─────────────────────────────────────────────────────── */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 16px;
    backdrop-filter: blur(4px);
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    margin: 0;
    font-size: 1rem;
}

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

.modal-body {
    padding: 20px;
}

/* ── Spinner ──────────────────────────────────────────────────── */

.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* ── Hidden utility ───────────────────────────────────────────── */

.hidden {
    display: none !important;
}