/* CCTV SAR — mobile-first stylesheet */
:root {
    --primary:        #1a56db;
    --primary-dark:   #1648c4;
    --bg:             #f3f4f6;
    --surface:        #ffffff;
    --text:           #111827;
    --muted:          #6b7280;
    --border:         #e5e7eb;
    --border-focus:   #93c5fd;
    --success-bg:     #d1fae5;
    --success-text:   #065f46;
    --error-bg:       #fee2e2;
    --error-text:     #991b1b;
    --warn-bg:        #fef3c7;
    --warn-text:      #92400e;
    --info-bg:        #dbeafe;
    --info-text:      #1e40af;
    --radius:         10px;
    --shadow:         0 1px 3px rgba(0,0,0,0.10), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md:      0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
}

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

html, body {
    min-height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    font-size: 16px;
}

/* ── Header / Nav ─────────────────────────────────────────────────────────── */
header {
    background: var(--primary);
    color: #fff;
    padding: 12px 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-md);
}

.header-row {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 10px;
}

header h1 {
    font-size: 1.05em;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.header-sub {
    font-size: 0.75em;
    opacity: 0.75;
}

.nav-buttons {
    display: flex;
    gap: 2px;
    overflow-x: auto;
    scrollbar-width: none;
}
.nav-buttons::-webkit-scrollbar { display: none; }

.nav-btn {
    background: transparent;
    border: none;
    color: rgba(255,255,255,0.72);
    padding: 8px 14px;
    font-size: 0.85em;
    font-weight: 500;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
    transition: color 0.15s, border-color 0.15s;
}
.nav-btn:hover    { color: #fff; }
.nav-btn.active   { color: #fff; border-bottom-color: #fff; }

/* ── Main layout ──────────────────────────────────────────────────────────── */
main {
    max-width: 640px;
    margin: 0 auto;
    padding: 16px;
}

.section        { display: block; }
.section.hidden { display: none; }

/* ── Hero ─────────────────────────────────────────────────────────────────── */
.hero {
    text-align: center;
    padding: 28px 12px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}
.hero-icon  { font-size: 3em; line-height: 1; }
.hero h2    { font-size: 1.35em; font-weight: 700; }
.hero p     { color: var(--muted); max-width: 400px; font-size: 0.9em; }
.hero-btns  { display: flex; flex-direction: column; gap: 10px; width: 100%; max-width: 280px; }

.info-cards { display: flex; flex-direction: column; gap: 10px; margin-top: 4px; }

/* ── Cards ────────────────────────────────────────────────────────────────── */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px 16px;
    box-shadow: var(--shadow);
}
.card strong { display: block; margin-bottom: 4px; font-weight: 600; }
.card p      { color: var(--muted); font-size: 0.88em; margin-top: 4px; }
.card a.btn  { margin-top: 10px; margin-right: 8px; display: inline-block; }

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius);
    font-size: 0.9em;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    transition: background 0.15s, opacity 0.15s;
    line-height: 1.4;
}
.btn:disabled              { opacity: 0.4; cursor: not-allowed; }
.btn-primary               { background: var(--primary); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--primary-dark); }
.btn-secondary             { background: var(--border); color: var(--text); }
.btn-secondary:hover:not(:disabled) { background: #d1d5db; }
.btn-large                 { padding: 14px 32px; font-size: 1em; }
.btn-full                  { width: 100%; }

/* ── Step indicator ───────────────────────────────────────────────────────── */
.steps {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px 0 20px;
    gap: 0;
}
.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    opacity: 0.4;
    transition: opacity 0.2s;
}
.step.active, .step.done { opacity: 1; }

.step-num {
    width: 28px; height: 28px;
    border-radius: 50%;
    background: var(--border);
    color: var(--muted);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.78em; font-weight: 700;
    transition: background 0.2s, color 0.2s;
}
.step.active .step-num { background: var(--primary); color: #fff; }
.step.done   .step-num { background: #059669;         color: #fff; }

.step-label         { font-size: 0.68em; color: var(--muted); font-weight: 500; }
.step.active .step-label { color: var(--primary); font-weight: 600; }
.step.done   .step-label { color: #059669; }

.step-line {
    flex: 1;
    height: 2px;
    background: var(--border);
    margin: 0 4px 16px;
    max-width: 44px;
}

/* ── Step panels ──────────────────────────────────────────────────────────── */
.step-panel        { display: block; }
.step-panel.hidden { display: none; }
.step-panel h2     { font-size: 1.15em; margin-bottom: 8px; }

/* ── Photo preview ────────────────────────────────────────────────────────── */
.photo-preview {
    background: var(--surface);
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    min-height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 12px 0;
    overflow: hidden;
}
.photo-preview img {
    max-width: 100%; max-height: 280px;
    border-radius: var(--radius); display: block;
}
.photo-placeholder {
    display: flex; flex-direction: column; align-items: center;
    gap: 8px; color: var(--muted); padding: 32px; text-align: center;
}
.ph-icon { font-size: 2.2em; }

/* ── Registry results ─────────────────────────────────────────────────────── */
.registry-item {
    background: var(--surface);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 14px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: border-color 0.15s, box-shadow 0.15s;
}
.registry-item:hover    { border-color: var(--primary); }
.registry-item.selected {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26,86,219,0.12);
}
.op-name { font-weight: 600; font-size: 0.95em; }
.op-meta { font-size: 0.78em; color: var(--muted); margin-top: 2px; }

.selected-info {
    background: var(--info-bg);
    border: 1px solid var(--border-focus);
    border-radius: var(--radius);
    padding: 12px;
    font-size: 0.88em;
    color: var(--info-text);
    margin-top: 10px;
}
.selected-info.hidden { display: none; }

/* ── Forms ────────────────────────────────────────────────────────────────── */
.form-group        { margin-bottom: 14px; }
.form-group label  { display: block; font-size: 0.85em; font-weight: 600; margin-bottom: 4px; }
.form-group small  { display: block; margin-top: 4px; font-size: 0.78em; color: var(--muted); }

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.9em;
    font-family: inherit;
    background: var(--surface);
    color: var(--text);
    transition: border-color 0.15s, box-shadow 0.15s;
}
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26,86,219,0.12);
}
.form-group input[readonly] { background: var(--bg); color: var(--muted); }

#letter-text {
    font-family: 'SF Mono', 'Fira Code', 'Courier New', monospace;
    font-size: 0.8em;
    line-height: 1.65;
    min-height: 420px;
    white-space: pre;
}

/* ── Step nav ─────────────────────────────────────────────────────────────── */
.step-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 12px;
    padding-top: 14px;
    border-top: 1px solid var(--border);
    gap: 10px;
}
.btn-save-log {
    display: block;
    width: 100%;
    margin-top: 16px;
    text-align: center;
    border-style: dashed;
}
.btn-save-log:disabled {
    opacity: 0.45;
}
.step-actions {
    display: flex; gap: 10px; flex-wrap: wrap; margin: 12px 0;
}

/* ── Send options ─────────────────────────────────────────────────────────── */
.send-options {
    display: flex; gap: 10px; flex-wrap: wrap; margin: 12px 0;
}

/* ── Status lines ─────────────────────────────────────────────────────────── */
.status-line {
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 0.875em;
    margin: 8px 0;
}
.status-line.hidden  { display: none; }
.status-line.success { background: var(--success-bg); color: var(--success-text); }
.status-line.error   { background: var(--error-bg);   color: var(--error-text); }
.status-line.warn    { background: var(--warn-bg);    color: var(--warn-text); }
.status-line.info    { background: var(--info-bg);    color: var(--info-text); }

/* ── Disclosure panels (manual entry, contribute) ─────────────────────────── */
.disclosure {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 16px;
    margin: 12px 0;
}
.disclosure summary {
    cursor: pointer;
    font-weight: 600;
    font-size: 0.88em;
    color: var(--muted);
    list-style: none;
    display: flex;
    align-items: center;
    gap: 6px;
}
.disclosure summary::before { content: '▶'; font-size: 0.7em; transition: transform 0.2s; }
.disclosure[open] summary::before { transform: rotate(90deg); }
.disclosure[open] summary { margin-bottom: 12px; color: var(--text); }

.contribute-preview {
    background: var(--bg);
    border-radius: 6px;
    padding: 10px 12px;
    font-family: 'SF Mono','Fira Code', monospace;
    font-size: 0.78em;
    margin: 10px 0;
    white-space: pre-wrap;
    word-break: break-all;
}

/* ── Hint / muted text ────────────────────────────────────────────────────── */
.hint   { color: var(--muted); font-size: 0.875em; margin-bottom: 12px; }
.muted  { color: var(--muted); }

/* ── Resume banner ────────────────────────────────────────────────────────── */
.resume-banner {
    background: var(--warn-bg);
    border: 1px solid #f59e0b;
    border-radius: var(--radius);
    padding: 14px 16px;
    margin-bottom: 16px;
    font-size: 0.88em;
    color: var(--warn-text);
}
.resume-banner p     { margin-bottom: 10px; }
.resume-btns         { display: flex; gap: 10px; }
.resume-banner.hidden { display: none; }

/* ── Postcode fallback ────────────────────────────────────────────────────── */
.postcode-fallback         { display: block; }
.postcode-fallback.hidden  { display: none; }
.postcode-row {
    display: flex;
    gap: 8px;
}
.postcode-row input {
    flex: 1;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.9em;
    font-family: inherit;
    background: var(--surface);
    color: var(--text);
    transition: border-color 0.15s, box-shadow 0.15s;
}
.postcode-row input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26,86,219,0.12);
}

/* ── Incident Log ─────────────────────────────────────────────────────────── */

.log-summary {
    font-size: 0.82em;
    color: var(--muted);
    text-align: center;
    margin: 0 0 16px;
}
.log-summary strong {
    color: var(--primary);
}

.incident-item {
    background: var(--surface);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 10px 12px;
    margin-bottom: 10px;
    display: flex;
    gap: 12px;
    align-items: flex-start;
    transition: border-color 0.15s;
}
.incident-item:hover {
    border-color: var(--primary);
}

.incident-thumb {
    width: 52px;
    height: 52px;
    object-fit: cover;
    border-radius: 6px;
    flex-shrink: 0;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted);
    font-size: 1.4em;
    border: 1px solid var(--border);
}
.incident-thumb img {
    width: 52px;
    height: 52px;
    object-fit: cover;
    border-radius: 6px;
    display: block;
}

.incident-body {
    flex: 1;
    min-width: 0;
}
.incident-op {
    font-weight: 600;
    font-size: 0.92em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.incident-loc {
    font-size: 0.78em;
    color: var(--muted);
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.incident-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 6px;
    flex-wrap: wrap;
}

.incident-actions {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex-shrink: 0;
}
.incident-actions .btn {
    font-size: 0.78em;
    padding: 5px 10px;
    white-space: nowrap;
}

/* Status badges */
.badge {
    display: inline-block;
    font-size: 0.70em;
    font-weight: 600;
    padding: 2px 7px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}
.badge-captured {
    background: var(--warn-bg);
    color: var(--warn-text);
}
.badge-sent {
    background: var(--success-bg);
    color: var(--success-text);
}

/* SAR repeat warning */
.sar-warning {
    background: var(--warn-bg);
    border: 1px solid #fcd34d;
    border-radius: var(--radius);
    padding: 10px 14px;
    font-size: 0.85em;
    color: var(--warn-text);
    margin-bottom: 12px;
}

/* Log empty state */
#log-empty {
    text-align: center;
    padding: 32px 16px;
    color: var(--muted);
}
#log-empty .empty-icon {
    font-size: 2.5em;
    margin-bottom: 10px;
}

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
    main               { padding: 12px; }
    .hero              { padding: 20px 8px 16px; }
    .send-options      { flex-direction: column; }
    .send-options .btn { width: 100%; }
    .step-nav .btn     { padding: 10px 14px; font-size: 0.85em; }
    #letter-text       { min-height: 320px; }
}