:root {
  --bg: #08111f;
  --bg-soft: #0d1b2e;
  --card: rgba(15, 26, 46, 0.72);
  --card-solid: #111f35;
  --text: #edf4ff;
  --muted: #9fb0ca;
  --line: rgba(255, 255, 255, 0.1);
  --primary: #6ee7f9;
  --primary-2: #8b5cf6;
  --accent: #34d399;
  --warning: #fbbf24;
  --danger: #fb7185;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.32);
  --radius: 28px;
}

[data-theme="light"] {
  --bg: #f6f8ff;
  --bg-soft: #eaf0ff;
  --card: rgba(255, 255, 255, 0.85);
  --card-solid: #ffffff;
  --text: #102033;
  --muted: #5a6b83;
  --line: rgba(14, 35, 64, 0.1);
  --shadow: 0 24px 70px rgba(68, 88, 130, 0.18);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(139, 92, 246, 0.22), transparent 35rem),
    radial-gradient(circle at 70% 10%, rgba(110, 231, 249, 0.16), transparent 30rem),
    linear-gradient(180deg, var(--bg), var(--bg-soft));
}

a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
button { cursor: pointer; }

.orb {
  position: fixed;
  border-radius: 999px;
  filter: blur(16px);
  opacity: .35;
  pointer-events: none;
  z-index: -1;
}
.orb-one { width: 260px; height: 260px; background: var(--primary-2); top: 7rem; left: -6rem; }
.orb-two { width: 340px; height: 340px; background: var(--primary); right: -7rem; top: 22rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
}
.nav-shell, .section-shell {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
}
.nav-shell {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #06111f;
  font-weight: 900;
}
.brand strong { display: block; letter-spacing: -.02em; }
.brand small { display: block; color: var(--muted); margin-top: 2px; }
.nav-actions { display: flex; align-items: center; gap: 12px; color: var(--muted); }
.nav-actions a { padding: 9px 10px; border-radius: 999px; }
.nav-actions a:hover { color: var(--text); background: var(--line); }

.hero {
  display: grid;
  grid-template-columns: 1.35fr .65fr;
  gap: 28px;
  align-items: center;
  padding: 82px 0 48px;
}
.hero h1 {
  margin: 0;
  font-size: clamp(40px, 7vw, 78px);
  line-height: .94;
  letter-spacing: -.07em;
}
.hero p {
  margin: 24px 0 0;
  max-width: 750px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
}
.eyebrow {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  color: var(--primary);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  margin: 0 0 16px;
}
.hero-actions, .form-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.primary-btn, .secondary-btn, .ghost-btn, .danger-btn {
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  font-weight: 800;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.primary-btn {
  color: #06111f;
  background: linear-gradient(135deg, var(--primary), #a7f3d0);
  box-shadow: 0 14px 34px rgba(110, 231, 249, 0.22);
}
.secondary-btn { color: var(--text); background: rgba(255, 255, 255, .08); border: 1px solid var(--line); }
.ghost-btn { color: var(--muted); background: transparent; border: 1px solid var(--line); }
.danger-btn { color: white; background: linear-gradient(135deg, #ef4444, #f97316); }
.primary-btn:hover, .secondary-btn:hover, .ghost-btn:hover, .danger-btn:hover { transform: translateY(-2px); }

.glass-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}
.hero-panel { padding: 26px; }
.metric-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}
.metric-row strong { color: var(--text); text-align: right; }
.mini-chart { display: flex; align-items: end; gap: 11px; height: 150px; margin-top: 26px; }
.mini-chart span {
  flex: 1;
  border-radius: 999px 999px 12px 12px;
  background: linear-gradient(180deg, var(--primary), var(--primary-2));
  opacity: .86;
}

.planner-grid { display: grid; grid-template-columns: 1.35fr .65fr; gap: 24px; padding: 36px 0; }
.form-card, .insight-card, .ai-card, .settings-card { padding: 26px; }
.section-heading h2 { margin: 0; font-size: clamp(28px, 4vw, 44px); letter-spacing: -.04em; }
.section-heading.compact h2 { font-size: 30px; }
.form-grid { display: grid; gap: 14px; margin-bottom: 14px; }
.form-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.form-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
label, .field-title { display: grid; gap: 8px; color: var(--muted); font-weight: 700; font-size: 13px; }
input, select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 15px;
  padding: 13px 14px;
  color: var(--text);
  background: color-mix(in srgb, var(--card-solid) 72%, transparent);
  outline: none;
}
input:focus, select:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(110, 231, 249, .12); }
.chip-grid { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 10px; }
.chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 13px;
  color: var(--muted);
  background: rgba(255, 255, 255, .05);
}
.chip input { display: none; }
.chip.active { background: rgba(110, 231, 249, .14); border-color: rgba(110, 231, 249, .6); color: var(--text); }
.check-list { padding: 0; margin: 20px 0; list-style: none; display: grid; gap: 14px; color: var(--muted); }
.check-list li::before { content: "✓"; color: var(--accent); font-weight: 900; margin-right: 10px; }
.notice {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 14px;
  color: var(--muted);
  background: rgba(255, 255, 255, .05);
  line-height: 1.55;
}

.results-section { padding: 56px 0; }
.summary-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin: 22px 0; }
.summary-card {
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 18px;
  background: var(--card);
}
.summary-card span { color: var(--muted); display: block; font-size: 13px; }
.summary-card strong { display: block; margin-top: 9px; font-size: 24px; letter-spacing: -.03em; }
.summary-card.highlight { background: linear-gradient(135deg, rgba(110,231,249,.15), rgba(139,92,246,.18)); }
.tabs { display: flex; overflow-x: auto; gap: 10px; padding: 8px 0 18px; }
.tab-btn {
  white-space: nowrap;
  border: 1px solid var(--line);
  color: var(--muted);
  background: rgba(255,255,255,.05);
  border-radius: 999px;
  padding: 11px 15px;
  font-weight: 800;
}
.tab-btn.active { color: #06111f; background: var(--primary); border-color: transparent; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.filters-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-bottom: 18px; }
.match-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.empty-state { border: 1px dashed var(--line); border-radius: 24px; padding: 28px; color: var(--muted); }
.uni-card {
  border: 1px solid var(--line);
  border-radius: 26px;
  padding: 20px;
  background: var(--card);
  position: relative;
  overflow: hidden;
}
.uni-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 5px;
  background: var(--primary);
}
.uni-card.safe::before { background: var(--accent); }
.uni-card.target::before { background: var(--warning); }
.uni-card.reach::before { background: #fb923c; }
.uni-card.high::before { background: var(--danger); }
.uni-top { display: flex; justify-content: space-between; gap: 12px; align-items: start; }
.uni-top h3 { margin: 0; font-size: 20px; letter-spacing: -.02em; }
.badge-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0; }
.badge { border: 1px solid var(--line); border-radius: 999px; padding: 7px 10px; color: var(--muted); font-size: 12px; font-weight: 800; }
.score-ring {
  min-width: 68px;
  height: 68px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: conic-gradient(var(--primary) var(--deg), rgba(255,255,255,.1) 0);
  font-weight: 900;
}
.score-ring span { background: var(--card-solid); width: 52px; height: 52px; border-radius: 50%; display:grid; place-items:center; }
.breakdown { display: grid; gap: 8px; margin-top: 14px; }
.bar { display: grid; grid-template-columns: 115px 1fr 42px; align-items: center; gap: 10px; font-size: 12px; color: var(--muted); }
.bar-track { height: 8px; border-radius: 999px; background: rgba(255,255,255,.08); overflow: hidden; }
.bar-fill { height: 100%; background: linear-gradient(90deg, var(--primary), var(--primary-2)); border-radius: inherit; }
.card-actions { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin-top: 16px; }
.card-actions a { color: var(--primary); font-weight: 800; }

.ranking-list, .timeline-list, .suggestion-grid { display: grid; gap: 14px; }
.rank-item, .timeline-item, .suggestion-item {
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 18px;
  background: var(--card);
}
.rank-item { display: grid; grid-template-columns: auto 1fr auto; gap: 16px; align-items: center; }
.rank-number { width: 42px; height: 42px; border-radius: 14px; display:grid; place-items:center; color:#06111f; background: var(--primary); font-weight: 900; }
.timeline-item strong, .suggestion-item strong { display: block; margin-bottom: 7px; }
.data-grid, .ai-grid { display: grid; grid-template-columns: 1fr .85fr; gap: 24px; }
.mini-form, .data-tools { padding: 22px; display: grid; gap: 12px; }
.import-label input { margin-top: 10px; }

.ai-grid { padding: 34px 0 70px; align-items: start; }
.chat-log {
  min-height: 280px;
  max-height: 460px;
  overflow-y: auto;
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(0,0,0,.12);
}
.ai-message, .user-message { padding: 14px; border-radius: 18px; line-height: 1.6; }
.ai-message { background: rgba(110,231,249,.1); }
.user-message { background: rgba(139,92,246,.14); margin-left: 32px; }
.chat-input-row { display: grid; grid-template-columns: 1fr auto; gap: 12px; margin-top: 12px; }
.settings-card { display: grid; gap: 12px; }
.site-footer { border-top: 1px solid var(--line); padding: 28px; text-align: center; color: var(--muted); }

@media (max-width: 900px) {
  .hero, .planner-grid, .ai-grid, .data-grid { grid-template-columns: 1fr; }
  .summary-grid, .match-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .form-grid.three, .filters-row { grid-template-columns: 1fr; }
  .nav-actions a { display: none; }
}
@media (max-width: 620px) {
  .form-grid.two, .summary-grid, .match-grid { grid-template-columns: 1fr; }
  .chat-input-row { grid-template-columns: 1fr; }
  .hero { padding-top: 48px; }
}

.mini-help {
  margin: 6px 0 10px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.owner-note {
  align-content: start;
}