:root {
  --ink: #102a33;
  --ink-soft: #3d5a66;
  --paper: #f3f7f8;
  --panel: rgba(255, 255, 255, 0.82);
  --line: rgba(16, 42, 51, 0.12);
  --teal: #0b6b75;
  --teal-deep: #084e56;
  --sand: #d9a441;
  --mint: #1f9d7a;
  --rose: #c24b4b;
  --shadow: 0 18px 50px rgba(8, 40, 48, 0.12);
  --radius: 18px;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Source Sans 3", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 10%, rgba(217, 164, 65, 0.18), transparent 28%),
    radial-gradient(circle at 88% 0%, rgba(11, 107, 117, 0.18), transparent 32%),
    linear-gradient(160deg, #e8f2f3 0%, #f7f4ec 48%, #eef5f6 100%);
  min-height: 100vh;
}

a { color: var(--teal-deep); text-decoration: none; }
a:hover { text-decoration: underline; }

.shell { min-height: 100vh; display: flex; flex-direction: column; }
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1rem 1.5rem; border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px); background: rgba(255,255,255,0.55);
  position: sticky; top: 0; z-index: 20;
}
.brand { display: flex; align-items: center; gap: 0.75rem; font-weight: 700; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 12px;
  background: linear-gradient(145deg, var(--teal), var(--teal-deep));
  color: white; display: grid; place-items: center;
  font-family: var(--font-display); font-size: 1.15rem; box-shadow: var(--shadow);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font-family: var(--font-display); font-size: 1.15rem; }
.brand-text span { font-size: 0.78rem; color: var(--ink-soft); letter-spacing: 0.04em; text-transform: uppercase; }
.nav { display: flex; flex-wrap: wrap; gap: 0.65rem; align-items: center; }
.nav a, .nav form { display: inline-flex; }
.nav a {
  padding: 0.45rem 0.8rem; border-radius: 999px; color: var(--ink-soft); font-weight: 600; text-decoration: none;
}
.nav a:hover, .nav a.active { background: rgba(11,107,117,0.1); color: var(--teal-deep); }

.page { width: min(1120px, calc(100% - 2rem)); margin: 1.5rem auto 3rem; }
.hero {
  position: relative; overflow: hidden; border-radius: 28px; padding: 3.2rem 2rem;
  background:
    linear-gradient(135deg, rgba(8,78,86,0.92), rgba(11,107,117,0.78)),
    url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.07'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  color: #f7fbff; box-shadow: var(--shadow); animation: rise 0.7s ease both;
}
.hero h1 {
  font-family: var(--font-display); font-weight: 650; font-size: clamp(2.2rem, 5vw, 3.6rem);
  margin: 0 0 0.75rem; max-width: 14ch; line-height: 1.05;
}
.hero p { margin: 0 0 1.5rem; max-width: 42ch; font-size: 1.08rem; color: rgba(255,255,255,0.88); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.panel {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.25rem; box-shadow: var(--shadow); backdrop-filter: blur(8px);
  animation: rise 0.55s ease both;
}
.panel + .panel, .stack > * + * { margin-top: 1rem; }
.grid { display: grid; gap: 1rem; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

h1, h2, h3 { font-family: var(--font-display); font-weight: 650; margin: 0 0 0.6rem; }
.muted { color: var(--ink-soft); }
.small { font-size: 0.9rem; }

label { display: block; font-weight: 600; margin-bottom: 0.35rem; }
input[type="text"], input[type="email"], input[type="password"], input[type="number"],
select, textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 12px; padding: 0.7rem 0.85rem;
  background: rgba(255,255,255,0.9); font: inherit; color: var(--ink);
}
textarea { min-height: 110px; resize: vertical; }
.field { margin-bottom: 1rem; }
.help { font-size: 0.85rem; color: var(--ink-soft); margin-top: 0.3rem; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
  border: 0; border-radius: 999px; padding: 0.7rem 1.15rem; font: inherit; font-weight: 700;
  cursor: pointer; text-decoration: none; transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn-primary { background: linear-gradient(135deg, var(--teal), var(--teal-deep)); color: white; box-shadow: 0 10px 24px rgba(8,78,86,0.25); }
.btn-secondary { background: rgba(16,42,51,0.08); color: var(--ink); }
.btn-danger { background: rgba(194,75,75,0.12); color: var(--rose); }
.btn-warn { background: rgba(217,164,65,0.18); color: #8a6418; }
.btn-sm { padding: 0.4rem 0.8rem; font-size: 0.9rem; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 0.75rem 0.55rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-soft); }

.badge {
  display: inline-flex; align-items: center; padding: 0.2rem 0.55rem; border-radius: 999px;
  font-size: 0.78rem; font-weight: 700;
}
.badge-ok { background: rgba(31,157,122,0.15); color: var(--mint); }
.badge-warn { background: rgba(217,164,65,0.18); color: #8a6418; }
.badge-bad { background: rgba(194,75,75,0.14); color: var(--rose); }
.badge-info { background: rgba(11,107,117,0.12); color: var(--teal-deep); }

.alert {
  border-radius: 14px; padding: 0.85rem 1rem; margin-bottom: 1rem; border: 1px solid transparent;
}
.alert-success { background: rgba(31,157,122,0.12); border-color: rgba(31,157,122,0.25); color: #14634d; }
.alert-error { background: rgba(194,75,75,0.12); border-color: rgba(194,75,75,0.25); color: #8d2f2f; }
.alert-warning { background: rgba(217,164,65,0.16); border-color: rgba(217,164,65,0.3); color: #7a5914; }

.stat {
  padding: 1rem; border-radius: 16px; background: linear-gradient(180deg, rgba(255,255,255,0.9), rgba(255,255,255,0.65));
  border: 1px solid var(--line);
}
.stat strong { display: block; font-family: var(--font-display); font-size: 1.8rem; }
.stat span { color: var(--ink-soft); font-size: 0.9rem; }

.timer {
  font-family: var(--font-display); font-size: 1.5rem; font-variant-numeric: tabular-nums;
  background: rgba(8,78,86,0.08); border: 1px solid var(--line); border-radius: 14px;
  padding: 0.55rem 0.9rem; min-width: 7.5rem; text-align: center;
}
.timer.urgent { color: var(--rose); animation: pulse 1s ease infinite; }

.q-nav { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.q-nav button, .q-nav a {
  width: 2.2rem; height: 2.2rem; border-radius: 10px; border: 1px solid var(--line);
  display: grid; place-items: center; background: white; font-weight: 700; cursor: pointer; color: var(--ink);
  text-decoration: none;
}
.q-nav .answered { background: rgba(31,157,122,0.15); border-color: rgba(31,157,122,0.35); }
.q-nav .flagged { background: rgba(217,164,65,0.2); border-color: rgba(217,164,65,0.4); }
.q-nav .current { outline: 2px solid var(--teal); }

.options { display: grid; gap: 0.65rem; }
.option {
  display: flex; gap: 0.75rem; align-items: flex-start; padding: 0.9rem 1rem;
  border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,0.85); cursor: pointer;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.option:hover { border-color: rgba(11,107,117,0.45); transform: translateX(2px); }
.option input { margin-top: 0.2rem; }

.auth-card { width: min(460px, 100%); margin: 2.5rem auto; }
.footer { text-align: center; color: var(--ink-soft); padding: 1.5rem; font-size: 0.9rem; }
.inline-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }
.checkbox-row { display: flex; gap: 0.55rem; align-items: center; margin: 0.4rem 0; }
.checkbox-row label { margin: 0; font-weight: 500; }
.checkbox-set { border: 1px solid var(--line); border-radius: 14px; padding: 0.85rem 1rem; background: rgba(255,255,255,0.7); }
.checkbox-set legend { padding: 0 0.35rem; font-weight: 600; }
.split { display: flex; justify-content: space-between; gap: 1rem; align-items: center; flex-wrap: wrap; }
.empty { padding: 1.5rem; text-align: center; color: var(--ink-soft); }

@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.03); }
}

@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .topbar { flex-direction: column; align-items: flex-start; }
  .hero { padding: 2.2rem 1.3rem; }
}

/* Simple pagination */
.pagination { display:flex; gap:0.35rem; list-style:none; padding:1rem 0 0; margin:0; flex-wrap:wrap; }
.pagination .page-link { display:inline-flex; padding:0.4rem 0.7rem; border-radius:10px; border:1px solid var(--line); background:white; color:var(--ink); text-decoration:none; }
.pagination .active .page-link { background:var(--teal); color:white; border-color:var(--teal); }
.pagination .disabled .page-link { opacity:0.45; }