/* assets/css/style.css — MindBench Design System v2 */
:root {
  --bg: #F0F2EC;
  --ink: #15191C;
  --ink-soft: #2c2c2c;
  --line: #D8DCD3;
  --card: #FAFBF8;
  --signal: #FF4500;
  --focus: #2D5BFF;
  --memory: #00A878;
  --purple: #7C3AED;
  --nav-h: 64px;
}
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'Inter', sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
h1, h2, h3, h4 { font-family: 'Space Grotesk', sans-serif; letter-spacing: -0.02em; }
.mono { font-family: 'JetBrains Mono', monospace; }

/* ===== LAYOUT ===== */
.wrap { max-width: 1250px; margin: 0 auto; padding: 0 28px; }
.wrap-narrow { max-width: 1250px; margin: 0 auto; padding: 0 24px; }
.wrap-xs { max-width: 480px; margin: 0 auto; padding: 0 20px; }

/* ===== NAV ===== */
nav.site-nav {
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0;
  background: rgba(240,242,236,0.95);
  backdrop-filter: blur(10px);
  z-index: 100;
}
nav.site-nav .inner {
  max-width: 1250px; margin: 0 auto; padding: 0 28px;
  height: var(--nav-h); display: flex; align-items: center; justify-content: space-between;
}
.logo {
  font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 20px;
  display: flex; align-items: center; gap: 8px; flex-shrink: 0;
}
.logo .dot {
  width: 9px; height: 9px; border-radius: 50%; background: var(--signal);
  display: inline-block; animation: blink 1.6s ease-in-out infinite;
}
@keyframes blink { 0%,100%{opacity:1;} 50%{opacity:.25;} }
.nav-links { display: flex; gap: 24px; font-size: 14px; color: var(--ink-soft); }
.nav-links a:hover { color: var(--ink); }
.nav-cta { display: flex; gap: 10px; align-items: center; }
.nav-user { font-size: 13px; color: var(--ink-soft); font-family: 'JetBrains Mono', monospace; }

/* Mobile nav hamburger */
.nav-hamburger {
  display: none; flex-direction: column; gap: 5px; cursor: pointer;
  padding: 4px; background: none; border: none;
}
.nav-hamburger span { display: block; width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: all .25s; }
.nav-mobile-menu {
  display: none; flex-direction: column; gap: 0; border-top: 1px solid var(--line);
  background: var(--bg); padding: 12px 0;
}
.nav-mobile-menu.open { display: flex; }
.nav-mobile-menu a { padding: 12px 28px; font-size: 15px; border-bottom: 1px solid var(--line); }
.nav-mobile-menu a:last-child { border-bottom: none; }

@media (max-width: 820px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .nav-cta .btn-ghost { display: none; }
}
@media (max-width: 460px) {
  .nav-cta { gap: 6px; }
  .btn { padding: 8px 14px; font-size: 13px; }
}

/* ===== BUTTONS ===== */
.btn {
  padding: 8px 14px; border-radius: 7px; font-size: 14px; font-weight: 600;
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid transparent; cursor: pointer; transition: all .15s; white-space: nowrap;
}
.btn-primary { background: var(--ink); color: var(--bg); }
.btn-primary:hover { background: #000; transform: translateY(-1px); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: transparent; }
.btn-ghost:hover { border-color: var(--ink); }
.btn-lg { padding: 14px 28px; font-size: 15px; border-radius: 9px; }
.btn-signal { background: var(--signal); color: #fff; border-color: var(--signal); }
.btn-signal:hover { background: #e03d00; }
.btn-full { width: 100%; justify-content: center; }
.btn-social {
  background: #fff; border: 1px solid var(--line); color: var(--ink);
  display: inline-flex; align-items: center; gap: 10px; padding: 11px 16px;
  border-radius: 8px; font-size: 14px; font-weight: 600; width: 100%;
  justify-content: center; cursor: pointer; transition: border-color .15s;
}
.btn-social:hover { border-color: var(--ink); }
.btn-google { }
.btn-facebook { background: #1877F2; color: #fff; border-color: #1877F2; }
.btn-facebook:hover { background: #0c63d4; border-color: #0c63d4; }

/* ===== CARDS ===== */
.card {
  border: 1px solid var(--line); background: var(--card); border-radius: 10px; padding: 22px;
  border-left: 3px solid var(--domain, var(--signal));
  transition: transform .15s ease, box-shadow .15s ease;
  display: block;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(21,25,28,.07); }
.card.disabled { opacity: .5; pointer-events: none; }
.card-domain { font-family: 'JetBrains Mono', monospace; font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--domain,var(--signal)); margin-bottom: 10px; }
.card h3 { font-size: 18px; margin-bottom: 6px; }
.card .meta { font-size: 13px; color: var(--ink-soft); margin-bottom: 16px; }
.card .start { font-size: 13px; font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
.card .start::after { content: '→'; transition: transform .15s; }
.card:hover .start::after { transform: translateX(3px); }

/* ===== GRID ===== */
.grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
@media (max-width: 900px) { .grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px) { .grid { grid-template-columns: 1fr; } }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 640px) { .grid-2 { grid-template-columns: 1fr; } }

/* ===== PAGE HEADER ===== */
.page-header { padding: 50px 0 30px; text-align: center; }
.eyebrow {
  font-family: 'JetBrains Mono', monospace; font-size: 12px; letter-spacing: .08em;
  color: var(--signal); text-transform: uppercase; margin-bottom: 12px;
  display: flex; align-items: center; justify-content: center; gap: 8px;
}
.eyebrow::before { content:''; width:18px; height:1px; background:var(--signal); }
.page-header h1 { font-size: clamp(26px, 4vw, 38px); margin-bottom: 10px; }
.page-header p { color: var(--ink-soft); font-size: 15px; max-width: 460px; margin: 0 auto; }

/* ===== FORMS ===== */
.form-box {
  max-width: 420px; margin: 0 auto;
  border: 1px solid var(--line); background: var(--card);
  border-radius: 14px; padding: 32px;
}
@media (max-width: 480px) { .form-box { padding: 24px 20px; } }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 11px 14px;
  border: 1px solid var(--line); border-radius: 7px;
  font-family: 'Inter', sans-serif; font-size: 14px; background: #fff;
  transition: border-color .15s;
}
.field input:focus, .field textarea:focus { outline: 2px solid var(--focus); outline-offset: 1px; border-color: var(--focus); }
.form-error { background: #FDEDEA; color: #B3261E; border: 1px solid #F3C8C2; border-radius: 7px; padding: 10px 14px; font-size: 13px; margin-bottom: 16px; }
.form-success { background: #E6F6EE; color: #0E6B3F; border: 1px solid #BCE6D1; border-radius: 7px; padding: 10px 14px; font-size: 13px; margin-bottom: 16px; }
.form-footer-link { text-align: center; font-size: 13px; color: var(--ink-soft); margin-top: 18px; }
.form-footer-link a { font-weight: 600; color: var(--ink); border-bottom: 1px solid var(--ink); }
.divider { display: flex; align-items: center; gap: 12px; margin: 18px 0; color: var(--ink-soft); font-size: 12px; }
.divider::before, .divider::after { content:''; flex:1; height:1px; background:var(--line); }

/* ===== TABS ===== */
.tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.tab { padding: 8px 16px; border-radius: 7px; font-size: 13px; font-weight: 600; border: 1px solid var(--line); cursor: pointer; background: var(--card); transition: all .15s; }
.tab.active { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.tab:hover:not(.active) { border-color: var(--ink-soft); }

/* ===== LEADERBOARD TABLE ===== */
.lb-table { width: 100%; border-collapse: collapse; margin-top: 20px; }
.lb-table th { text-align: left; font-family: 'JetBrains Mono', monospace; font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-soft); padding: 10px 12px; border-bottom: 1px solid var(--line); }
.lb-table td { padding: 14px 12px; border-bottom: 1px solid var(--line); font-size: 14px; }
.lb-table tr:hover td { background: var(--card); }
.lb-rank { font-family: 'JetBrains Mono', monospace; font-weight: 700; color: var(--signal); }
.lb-score { font-family: 'JetBrains Mono', monospace; font-weight: 600; }
.rank-gold { color: #F59E0B; }
.rank-silver { color: #94A3B8; }
.rank-bronze { color: #B45309; }

/* ===== SOCIAL SHARE ===== */
.share-box {
  border: 1px solid var(--line); background: var(--card);
  border-radius: 12px; padding: 20px; margin-top: 20px; text-align: center;
}
.share-box h4 { font-size: 15px; margin-bottom: 12px; }
.share-btns { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.share-btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 16px; border-radius: 7px; font-size: 13px; font-weight: 600;
  cursor: pointer; border: none; transition: opacity .15s;
}
.share-btn:hover { opacity: .9; transform: translateY(-1px); }
.share-twitter { background: #000; color: #fff; }
.share-facebook { background: #1877F2; color: #fff; }
.share-whatsapp { background: #25D366; color: #fff; }
.share-copy { background: var(--ink); color: var(--bg); }
.share-linkedin { background: #0A66C2; color: #fff; }

/* ===== DASHBOARD ===== */
.dash-grid { display: grid; grid-template-columns: 280px 1fr; gap: 30px; margin: 30px 0; }
@media (max-width: 860px) { .dash-grid { grid-template-columns: 1fr; } }
.dash-sidebar {}
.profile-card {
  border: 1px solid var(--line); background: var(--card);
  border-radius: 14px; padding: 24px; text-align: center;
}
.avatar-circle {
  width: 72px; height: 72px; border-radius: 50%;
  background: var(--ink); color: var(--bg);
  font-family: 'Space Grotesk', sans-serif; font-size: 28px; font-weight: 700;
  display: flex; align-items: center; justify-content: center; margin: 0 auto 14px;
  overflow: hidden;
}
.avatar-circle img { width: 100%; height: 100%; object-fit: cover; }
.profile-name { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
.profile-since { font-size: 12px; color: var(--ink-soft); margin-bottom: 16px; }
.profile-stats { display: flex; gap: 16px; justify-content: center; text-align: center; }
.profile-stats .ps-val { font-family: 'JetBrains Mono', monospace; font-size: 20px; font-weight: 700; }
.profile-stats .ps-lbl { font-size: 11px; color: var(--ink-soft); text-transform: uppercase; }
.stat-card {
  border: 1px solid var(--line); background: var(--card);
  border-radius: 12px; padding: 20px;
}
.stat-card .sc-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.stat-card .sc-title { font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-soft); }
.stat-card .sc-domain { font-size: 11px; font-family: 'JetBrains Mono', monospace; color: var(--domain, var(--signal)); }
.big-stat { font-family: 'JetBrains Mono', monospace; font-size: 42px; font-weight: 700; }
.big-stat .unit { font-size: 16px; color: var(--ink-soft); }
.percentile-bar-wrap { margin-top: 12px; }
.percentile-bar { height: 6px; border-radius: 6px; background: var(--line); overflow: hidden; margin: 6px 0; }
.percentile-fill { height: 100%; border-radius: 6px; background: var(--signal); transition: width 1s ease; }
.percentile-label { font-size: 12px; color: var(--ink-soft); }
.stats-cols { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px,1fr)); gap: 16px; }
.history-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.history-table th { font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-soft); padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--line); }
.history-table td { padding: 12px 10px; border-bottom: 1px solid var(--line); }

/* ===== EMPTY STATE ===== */
.empty-state {
  padding: 50px 20px; text-align: center; color: var(--ink-soft);
  border: 1px dashed var(--line); border-radius: 12px; margin-top: 20px;
}
.empty-state h3 { color: var(--ink); margin-bottom: 8px; }
.empty-state p { font-size: 14px; margin-bottom: 16px; }

/* ===== FOOTER ===== */
footer.site-footer {
  border-top: 1px solid var(--line); padding: 50px 0 30px; margin-top: 70px;
}
.f-top { display: grid; grid-template-columns: 2fr repeat(4, 1fr); gap: 30px; padding-bottom: 40px; border-bottom: 1px solid var(--line); }
@media (max-width: 860px) { .f-top { grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px) { .f-top { grid-template-columns: 1fr; } }
.f-brand .logo { margin-bottom: 12px; }
.f-brand p { font-size: 13px; color: var(--ink-soft); max-width: 200px; line-height: 1.6; }
.f-col h4 { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-soft); margin-bottom: 14px; }
.f-col a { display: block; font-size: 14px; color: var(--ink); margin-bottom: 9px; transition: color .15s; }
.f-col a:hover { color: var(--signal); }
.f-bottom {
  padding-top: 24px; display: flex; justify-content: space-between;
  align-items: center; flex-wrap: wrap; gap: 16px; font-size: 12px; color: var(--ink-soft);
}
.f-social { display: flex; gap: 10px; }
.f-social a {
  width: 34px; height: 34px; border-radius: 7px; border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center; font-size: 14px;
  transition: all .15s;
}
.f-social a:hover { border-color: var(--ink); background: var(--ink); color: var(--bg); }
.f-legal { display: flex; gap: 16px; flex-wrap: wrap; }
.f-legal a:hover { color: var(--ink); }

/* ===== ADSENSE FRIENDLY AREAS ===== */
.ad-slot {
  min-height: 90px; background: var(--card);
  border: 1px solid var(--line); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--ink-soft); font-size: 12px; text-align: center;
  overflow: hidden; margin: 20px 0;
}
.ad-slot-banner { min-height: 90px; }
.ad-slot-square { min-height: 250px; min-width: 300px; }

/* ===== TEST PAGES ===== */
.test-stage {
  border-radius: 14px; display: flex; align-items: center; justify-content: center;
  flex-direction: column; margin: 24px 0; padding: 30px; text-align: center;
  min-height: 320px;
}
.test-stage.dark { background: var(--ink); color: var(--bg); }
.result-panel {
  border: 1px solid var(--line); background: var(--card);
  border-radius: 12px; padding: 24px; margin-top: 20px;
  display: none;
}
.result-panel.show { display: block; }
.result-big { font-family: 'JetBrains Mono', monospace; font-size: 56px; font-weight: 700; color: var(--signal); }
.result-unit { font-size: 18px; color: var(--ink-soft); }
.stat-strip { display: flex; gap: 24px; flex-wrap: wrap; justify-content: center; margin-top: 10px; }
.stat-strip .s-val { font-family: 'JetBrains Mono', monospace; font-size: 30px; font-weight: 700; }
.stat-strip .s-lbl { font-size: 11px; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .04em; }
.meta-row { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--ink-soft); margin-bottom: 6px; }
.save-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-top: 14px; }
.save-row input { flex: 1; min-width: 140px; padding: 10px 14px; border: 1px solid var(--line); border-radius: 7px; font-size: 14px; background: #fff; }
.save-status { font-size: 13px; color: var(--ink-soft); margin-top: 8px; min-height: 18px; }

/* ===== PROFILE PAGE ===== */
.profile-hero { padding: 40px 0; }
.profile-hero .ph-inner { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.avatar-lg { width: 100px; height: 100px; border-radius: 50%; background: var(--ink); color: var(--bg); font-size: 38px; font-weight: 700; display: flex; align-items: center; justify-content: center; overflow: hidden; flex-shrink: 0; }
.avatar-lg img { width: 100%; height: 100%; object-fit: cover; }
.ph-info h1 { font-size: 28px; }
.ph-info .ph-email { font-size: 13px; color: var(--ink-soft); margin-top: 4px; }
.ph-info .ph-since { font-size: 12px; color: var(--ink-soft); margin-top: 2px; }

/* ===== LEGAL PAGES ===== */
.legal-content { max-width: 1250px; margin: 40px auto; padding: 0 24px 60px; }
.legal-content h1 { font-size: 32px; margin-bottom: 8px; }
.legal-content .last-updated { font-size: 13px; color: var(--ink-soft); margin-bottom: 32px; }
.legal-content h2 { font-size: 18px; margin: 28px 0 10px; }
.legal-content p { font-size: 15px; color: var(--ink-soft); margin-bottom: 14px; line-height: 1.7; }
.legal-content ul { padding-left: 20px; margin-bottom: 14px; }
.legal-content li { font-size: 15px; color: var(--ink-soft); margin-bottom: 6px; line-height: 1.7; }

/* ===== UTILITIES ===== */
.mt-4 { margin-top: 16px; } .mt-6 { margin-top: 24px; } .mt-8 { margin-top: 32px; }
.mb-4 { margin-bottom: 16px; } .mb-6 { margin-bottom: 24px; }
.text-center { text-align: center; }
.text-soft { color: var(--ink-soft); }
.text-sm { font-size: 15px; }
.badge { display: inline-block; padding: 3px 8px; border-radius: 4px; font-size: 11px; font-weight: 600; font-family: 'JetBrains Mono', monospace; }
.badge-signal { background: rgba(255,69,0,.12); color: var(--signal); }
.badge-memory { background: rgba(0,168,120,.12); color: var(--memory); }
.badge-focus { background: rgba(45,91,255,.12); color: var(--focus); }
.notice {
  border: 1px solid var(--line); background: var(--card);
  border-radius: 8px; padding: 14px 16px; font-size: 13px;
  display: flex; gap: 10px; align-items: flex-start; margin: 16px 0;
}
.notice-icon { font-size: 16px; flex-shrink: 0; }
.section-title { font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-soft); margin-bottom: 14px; }

/* ===== RESPONSIVE PATCHES ===== */
@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  .wrap-narrow { padding: 0 16px; }
  .page-header { padding: 32px 0 20px; }
  .share-btns { flex-direction: column; align-items: stretch; }
  .share-btn { justify-content: center; }
  .stat-strip { gap: 14px; }
  .result-big { font-size: 42px; }
  .tabs { gap: 6px; }
  .tab { font-size: 12px; padding: 7px 12px; }
  footer.site-footer { margin-top: 40px; }
  .f-bottom { flex-direction: column; align-items: flex-start; gap: 12px; }
}