/* AI Fact Checker · Isabi FactCheck Africa. One stylesheet, no inline styles (CSP: style-src 'self'). */
:root {
    --bg: #f6f8f8;
    --surface: #ffffff;
    --text: #14211f;
    --muted: #526360;
    --border: #d9e2e0;
    --accent: #0f766e;
    --accent-dark: #0b5a54;
    --accent-soft: #e3f4f1;
    --focus: #0b5a54;
    --radius: 10px;
    --shadow: 0 1px 2px rgba(20, 33, 31, .06);
    --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

    --v-supported: #166534; --v-supported-bg: #e7f6ec;
    --v-false: #991b1b; --v-false-bg: #fdeaea;
    --v-misleading: #9a3412; --v-misleading-bg: #fff0e1;
    --v-partly: #854d0e; --v-partly-bg: #fdf4d6;
    --v-neutral: #334155; --v-neutral-bg: #eaeff4;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 var(--font); }
img, svg { max-width: 100%; }
a { color: var(--accent-dark); text-underline-offset: 2px; }
a:hover { color: var(--accent); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 4px; }
h1, h2, h3 { line-height: 1.25; margin: 0 0 .5em; }
h1 { font-size: clamp(1.7rem, 4vw, 2.3rem); }
h2 { font-size: 1.25rem; }
h3 { font-size: 1.05rem; }
p { margin: 0 0 1em; }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: -999px; top: 0; background: var(--accent-dark); color: #fff; padding: .6rem 1rem; z-index: 10; }
.skip-link:focus { left: 0; }

.container { width: 100%; max-width: 860px; margin: 0 auto; padding: 0 16px; }
.container-wide { max-width: 1120px; }

/* Header / footer */
.site-header { background: var(--surface); border-bottom: 1px solid var(--border); }
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding-top: .8rem; padding-bottom: .8rem; }
.brand { display: flex; flex-direction: column; text-decoration: none; color: var(--text); line-height: 1.2; }
.brand strong { font-size: 1.1rem; color: var(--accent-dark); }
.brand span { font-size: .8rem; color: var(--muted); }
.nav { display: flex; gap: 1.1rem; flex-wrap: wrap; font-size: .95rem; }
.nav a { text-decoration: none; color: var(--text); }
.nav a:hover { text-decoration: underline; }
.site-footer { margin-top: 4rem; border-top: 1px solid var(--border); background: var(--surface); padding: 1.5rem 0; font-size: .9rem; color: var(--muted); }
.site-footer .container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .75rem 2rem; }
.site-footer nav { display: flex; gap: 1rem; flex-wrap: wrap; }
main { padding: 2rem 0 0; }

/* Cards and sections */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.25rem 1.4rem; margin-bottom: 1.25rem; }
.page-head { text-align: center; margin-bottom: 1.75rem; }
.page-head p { color: var(--muted); font-size: 1.05rem; margin: 0; }
.section-label { font-size: .8rem; letter-spacing: .06em; text-transform: uppercase; color: var(--accent-dark); font-weight: 700; margin: 0 0 .6rem; }
.muted { color: var(--muted); }
.small { font-size: .9rem; }
.prose h2 { margin-top: 1.8em; }
.prose ul { padding-left: 1.2rem; }
.prose li { margin-bottom: .4rem; }

/* Hero */
.hero { text-align: center; padding: 1rem 0 1.5rem; }
.hero p { color: var(--muted); max-width: 40rem; margin: 0 auto; font-size: 1.1rem; }

/* Forms */
label { font-weight: 600; display: block; margin-bottom: .35rem; }
textarea, input[type=text], input[type=url], input[type=email], input[type=password], select {
    width: 100%; font: inherit; color: var(--text); background: #fff; border: 1px solid #aebdba; border-radius: 8px; padding: .7rem .8rem;
}
textarea { min-height: 9rem; resize: vertical; }
textarea:focus, input:focus, select:focus { border-color: var(--accent); }
.field { margin-bottom: 1.1rem; }
.field-error, .errors { color: #991b1b; font-size: .92rem; margin-top: .35rem; }
.errors { background: var(--v-false-bg); border: 1px solid #f3bcbc; padding: .7rem .9rem; border-radius: 8px; margin-bottom: 1rem; }
.errors ul { margin: 0; padding-left: 1.1rem; }
.hint { color: var(--muted); font-size: .88rem; margin-top: .3rem; }
.row-between { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
.check-row { display: flex; gap: .6rem; align-items: flex-start; font-weight: 400; }
.check-row input { margin-top: .35rem; }
.hp { position: absolute; left: -9999px; height: 0; overflow: hidden; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: .4rem; font: inherit; font-weight: 600; cursor: pointer; border-radius: 8px; padding: .65rem 1.2rem; border: 1px solid var(--accent); background: var(--accent); color: #fff; text-decoration: none; min-height: 44px; }
.btn:hover { background: var(--accent-dark); color: #fff; }
.btn-secondary { background: #fff; color: var(--accent-dark); }
.btn-secondary:hover { background: var(--accent-soft); color: var(--accent-dark); }
.btn-danger { background: #b91c1c; border-color: #b91c1c; }
.btn-danger:hover { background: #991b1b; }
.btn-small { padding: .35rem .75rem; min-height: 34px; font-size: .9rem; }
.btn[disabled] { opacity: .6; cursor: progress; }

/* Mode tabs */
.tabs { display: flex; gap: .25rem; background: var(--accent-soft); padding: .25rem; border-radius: 10px; margin-bottom: 1.1rem; }
.tab { flex: 1; text-align: center; border: 0; background: transparent; font: inherit; font-weight: 600; padding: .55rem .5rem; border-radius: 8px; cursor: pointer; color: var(--accent-dark); min-height: 44px; }
.tab[aria-selected=true] { background: #fff; box-shadow: var(--shadow); }
[hidden] { display: none !important; }

.disclaimer { font-size: .88rem; color: var(--muted); border-left: 3px solid var(--accent); padding-left: .8rem; margin: 1.1rem 0 0; }
.steps { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); margin-top: 1rem; }
.steps .card { margin: 0; }
.steps b { color: var(--accent-dark); }

/* Verdict badge: text label + symbol, never colour alone */
.verdict { display: inline-flex; align-items: center; gap: .5rem; font-weight: 700; font-size: 1.15rem; padding: .35rem .9rem; border-radius: 999px; border: 2px solid currentColor; }
.verdict .sym { font-size: 1.05em; }
.verdict-supported { color: var(--v-supported); background: var(--v-supported-bg); }
.verdict-false { color: var(--v-false); background: var(--v-false-bg); }
.verdict-misleading { color: var(--v-misleading); background: var(--v-misleading-bg); }
.verdict-partly-true { color: var(--v-partly); background: var(--v-partly-bg); }
.verdict-unverified, .verdict-insufficient-context, .verdict-not-fact-checkable { color: var(--v-neutral); background: var(--v-neutral-bg); }
.verdict-sm { font-size: .85rem; padding: .1rem .6rem; border-width: 1px; }
.pill { display: inline-block; font-size: .8rem; font-weight: 600; padding: .1rem .55rem; border-radius: 999px; background: var(--v-neutral-bg); color: var(--v-neutral); border: 1px solid #cdd6df; }
.pill-accent { background: var(--accent-soft); color: var(--accent-dark); border-color: #b9e1db; }
.pill-warn { background: var(--v-partly-bg); color: var(--v-partly); border-color: #ecd98d; }

/* Result */
.claim-text { font-size: 1.15rem; white-space: pre-wrap; overflow-wrap: anywhere; margin: 0; }
.notice { background: var(--v-partly-bg); border: 1px solid #ecd98d; color: #5b3a05; padding: .8rem 1rem; border-radius: 8px; margin-bottom: 1.25rem; }
.notice-info { background: var(--accent-soft); border-color: #b9e1db; color: var(--text); }
.correction { background: #eef6ff; border: 1px solid #b6d3f2; padding: .8rem 1rem; border-radius: 8px; margin-bottom: 1rem; }
.analysis { white-space: pre-line; overflow-wrap: anywhere; }
.evidence-group { margin-top: 1rem; }
.source { border: 1px solid var(--border); border-radius: 8px; padding: .9rem 1rem; margin-bottom: .8rem; background: #fcfdfd; }
.source h4 { margin: 0 0 .15rem; font-size: 1rem; overflow-wrap: anywhere; }
.source .meta { color: var(--muted); font-size: .86rem; margin-bottom: .5rem; }
.source blockquote { margin: .5rem 0; padding: .1rem 0 .1rem .9rem; border-left: 3px solid var(--accent); color: #243532; overflow-wrap: anywhere; }
.actions { display: flex; flex-wrap: wrap; gap: .6rem; margin: 1.2rem 0; }
.toast { position: fixed; left: 50%; bottom: 1.2rem; transform: translateX(-50%); background: #14211f; color: #fff; padding: .6rem 1rem; border-radius: 8px; font-size: .92rem; z-index: 20; }
.limitations { white-space: pre-line; font-size: .93rem; color: var(--muted); }
.claim-sep { margin: 2.2rem 0 1rem; font-size: 1.1rem; color: var(--muted); }

/* Progress */
.progress-list { list-style: none; padding: 0; margin: 1rem 0; }
.progress-list li { display: flex; gap: .7rem; align-items: center; padding: .5rem 0; }
.progress-list .dot { width: 1.4rem; height: 1.4rem; border-radius: 50%; border: 2px solid var(--accent); display: inline-grid; place-items: center; font-size: .8rem; color: #fff; background: var(--accent); flex: none; }
.progress-list .active .dot { background: #fff; color: var(--accent); }
.spinner { width: 1rem; height: 1rem; border-radius: 50%; border: 2px solid var(--accent); border-right-color: transparent; display: inline-block; animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation: none; } }

/* Tables and admin */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .93rem; background: var(--surface); }
th, td { text-align: left; padding: .6rem .7rem; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); background: #f1f5f4; }
.stat-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); margin-bottom: 1.5rem; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; }
.stat b { display: block; font-size: 1.8rem; line-height: 1.1; color: var(--accent-dark); }
.stat span { color: var(--muted); font-size: .88rem; }
.admin-grid { display: grid; gap: 1.25rem; grid-template-columns: 1fr; }
@media (min-width: 900px) { .admin-grid { grid-template-columns: 1fr 1fr; } }
.filters { display: flex; flex-wrap: wrap; gap: .6rem; align-items: end; margin-bottom: 1rem; }
.filters > div { flex: 1 1 160px; }
.bar-row { display: grid; grid-template-columns: 5.5rem 1fr 2.5rem; gap: .6rem; align-items: center; font-size: .88rem; margin-bottom: .3rem; }
progress { width: 100%; height: .8rem; accent-color: var(--accent); }
.flash { background: var(--v-supported-bg); border: 1px solid #b6e0c4; color: #14532d; padding: .7rem 1rem; border-radius: 8px; margin-bottom: 1.25rem; }
details.review { border: 1px solid var(--border); border-radius: 8px; padding: .6rem .9rem; margin-bottom: .7rem; background: #fcfdfd; }
details.review summary { cursor: pointer; font-weight: 600; }
.pagination { display: flex; gap: .4rem; margin-top: 1rem; flex-wrap: wrap; }
.pagination a, .pagination span { padding: .3rem .7rem; border: 1px solid var(--border); border-radius: 6px; background: #fff; text-decoration: none; font-size: .9rem; }
.pagination .active span { background: var(--accent); color: #fff; border-color: var(--accent); }

@media (max-width: 560px) {
    main { padding-top: 1.2rem; }
    .card { padding: 1rem; }
    .actions .btn { flex: 1 1 100%; }
}
@media print {
    .site-header, .site-footer, .actions, .no-print { display: none !important; }
    body { background: #fff; }
    .card { box-shadow: none; }
}

/* About page + voice input */
.voice { display: flex; align-items: center; gap: .75rem; margin: .5rem 0; flex-wrap: wrap; }
.features { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); margin: 1rem 0 2rem; }
.features .card { margin: 0; }
.features h3 { margin: 0 0 .4rem; color: var(--accent-dark); font-size: 1.05rem; }
.features p { margin: 0; color: var(--muted); }
.lead { font-size: 1.1rem; color: var(--muted); max-width: 42rem; margin: 0 auto 1.5rem; text-align: center; }
.howto { list-style: none; counter-reset: step; padding: 0; margin: 1rem 0 2rem; display: grid; gap: 1rem; }
.howto li { counter-increment: step; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1rem 1rem 1rem 3.5rem; position: relative; }
.howto li::before { content: counter(step); position: absolute; left: 1rem; top: 1rem; width: 1.9rem; height: 1.9rem; border-radius: 50%; background: var(--accent); color: #fff; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.howto h3 { margin: 0 0 .25rem; font-size: 1.05rem; }
.howto p { margin: 0; color: var(--muted); }
.cta { text-align: center; margin: 1.5rem 0 2rem; }