@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,700&family=DM+Sans:wght@400;500;700&display=swap');

:root {
  --bg: #0f1829;
  --bg-2: #16213a;
  --bg-3: #1d2a47;
  --border: #2a3a5e;
  --text: #eef2fb;
  --text-dim: #98a6c4;
  --accent: #4f8ef7;
  --accent-hover: #6ba0ff;
  --safe: #2ecc71;
  --safe-bg: rgba(46, 204, 113, 0.12);
  --warn: #f5a623;
  --warn-bg: rgba(245, 166, 35, 0.12);
  --danger: #ff5470;
  --danger-bg: rgba(255, 84, 112, 0.12);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  min-height: 100dvh;
}

h1, h2, h3 {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0;
}

a { color: var(--accent); }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ---------- Top bar ---------- */
.topbar {
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
  padding-top: env(safe-area-inset-top);
}
.topbar-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.brand-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand-row h1 {
  font-size: 1.3rem;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), #2a6df0);
  color: white;
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 0.95rem;
  box-shadow: 0 4px 14px rgba(79, 142, 247, 0.35);
}
.logout-form { margin: 0; }
.btn-link {
  background: none;
  border: none;
  color: var(--text-dim);
  font: inherit;
  cursor: pointer;
  padding: 8px 4px;
  min-height: 44px;
}
.btn-link:hover { color: var(--text); }

/* ---------- Main container ---------- */
.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 20px 18px calc(40px + env(safe-area-inset-bottom));
}

.lede {
  color: var(--text-dim);
  margin: 4px 0 22px;
  font-size: 1.02rem;
}

/* ---------- Tabs ---------- */
.tabs {
  display: flex;
  background: var(--bg-2);
  padding: 4px;
  border-radius: 14px;
  border: 1px solid var(--border);
  margin-bottom: 16px;
}
.tab {
  flex: 1;
  padding: 12px 16px;
  min-height: 48px;
  background: transparent;
  border: none;
  border-radius: 10px;
  color: var(--text-dim);
  font: 500 1rem 'DM Sans', sans-serif;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.tab.is-active {
  background: var(--bg-3);
  color: var(--text);
  box-shadow: 0 1px 0 rgba(255,255,255,0.04) inset;
}

/* ---------- Panes ---------- */
.pane { display: none; }
.pane.is-active { display: block; }

textarea {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 14px;
  color: var(--text);
  padding: 16px;
  font: 400 1rem 'DM Sans', sans-serif;
  resize: vertical;
  min-height: 140px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79, 142, 247, 0.2);
}

/* ---------- Photo drop ---------- */
.photo-drop {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 36px 20px;
  background: var(--bg-2);
  border: 1.5px dashed var(--border);
  border-radius: 14px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  min-height: 160px;
}
.photo-drop:hover, .photo-drop:focus-within {
  border-color: var(--accent);
  background: var(--bg-3);
}
.photo-drop-icon { font-size: 2.4rem; }
.photo-drop-label { font-weight: 500; }
.photo-drop-sub { color: var(--text-dim); font-size: 0.9rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 22px;
  min-height: 52px;
  border: none;
  border-radius: 12px;
  font: 500 1.02rem 'DM Sans', sans-serif;
  cursor: pointer;
  transition: background 0.15s, transform 0.05s;
  -webkit-tap-highlight-color: transparent;
}
.btn-primary {
  background: var(--accent);
  color: white;
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-primary:active { transform: translateY(1px); }
.btn-primary:disabled {
  background: var(--bg-3);
  color: var(--text-dim);
  cursor: not-allowed;
}
.btn-block {
  width: 100%;
  margin-top: 16px;
}

/* ---------- Status & Result ---------- */
.status {
  margin-top: 22px;
  padding: 16px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text-dim);
  text-align: center;
}
.spinner {
  display: inline-block;
  width: 18px; height: 18px;
  border: 2.5px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  vertical-align: -4px;
  margin-right: 10px;
}
@keyframes spin { to { transform: rotate(360deg); } }

.result {
  margin-top: 22px;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.result-card {
  padding: 22px 20px;
}
.result-verdict {
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.result-title {
  font-family: 'Fraunces', serif;
  font-size: 1.55rem;
  line-height: 1.2;
  margin: 0 0 10px;
}
.result-summary {
  margin: 0;
  color: var(--text);
}
.result-flags {
  background: var(--bg-2);
  padding: 18px 20px;
  border-top: 1px solid var(--border);
}
.result-flags h3 {
  font-size: 0.78rem;
  font-family: 'DM Sans', sans-serif;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin: 0 0 10px;
}
.result-flags ul {
  margin: 0;
  padding-left: 20px;
}
.result-flags li {
  margin-bottom: 4px;
}

/* Verdict color variants */
.result.is-safe .result-card { background: var(--safe-bg); border-bottom: 1px solid rgba(46, 204, 113, 0.3); }
.result.is-safe .result-verdict { color: var(--safe); }
.result.is-warning .result-card { background: var(--warn-bg); border-bottom: 1px solid rgba(245, 166, 35, 0.3); }
.result.is-warning .result-verdict { color: var(--warn); }
.result.is-danger .result-card { background: var(--danger-bg); border-bottom: 1px solid rgba(255, 84, 112, 0.3); }
.result.is-danger .result-verdict { color: var(--danger); }

/* ---------- Auth (login / admin) ---------- */
.auth-body {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 32px 26px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.35);
}
.brand {
  text-align: center;
  margin-bottom: 24px;
}
.brand .brand-mark {
  width: 52px; height: 52px;
  border-radius: 14px;
  font-size: 1.3rem;
  margin-bottom: 12px;
}
.brand h1 {
  font-size: 2rem;
  margin-bottom: 4px;
}
.brand-sub {
  color: var(--text-dim);
  margin: 0;
}

form label {
  display: block;
  font-size: 0.88rem;
  color: var(--text-dim);
  margin: 14px 0 6px;
}
form input[type=email],
form input[type=password],
form input[type=text] {
  width: 100%;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  padding: 14px 14px;
  min-height: 50px;
  font: 400 1rem 'DM Sans', sans-serif;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
form input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79, 142, 247, 0.2);
}
form .btn {
  width: 100%;
  margin-top: 22px;
}

.alert {
  padding: 12px 14px;
  border-radius: 10px;
  margin-bottom: 6px;
  font-size: 0.95rem;
}
.alert-error {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid rgba(255, 84, 112, 0.3);
}
.alert-ok {
  background: var(--safe-bg);
  color: var(--safe);
  border: 1px solid rgba(46, 204, 113, 0.3);
}

/* ---------- Usage counter ---------- */
.usage {
  margin: 14px 4px 0;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.9rem;
}

/* ---------- Admin dashboard ---------- */
.admin-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px 20px;
  margin-bottom: 18px;
}
.admin-h2 {
  font-size: 1.2rem;
  margin: 0 0 10px;
}
.user-list {
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
}
.user-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  word-break: break-all;
}
.user-list li:last-child { border-bottom: none; }
.muted { color: var(--text-dim); margin: 0; }

@media (min-width: 600px) {
  .lede { font-size: 1.08rem; }
  .result-title { font-size: 1.75rem; }
}