:root{--bg:#f5f7fb;--card:rgba(255,255,255,.76);--text:#172033;--muted:#667085;--primary:#2563eb;--primary-dark:#1d4ed8;--danger:#ef4444;--border:rgba(17,24,39,.09);--shadow:0 20px 60px rgba(15,23,42,.12);--radius:28px}*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",sans-serif;background:var(--bg);color:var(--text)}.app-bg{position:fixed;inset:0;z-index:-1;background:radial-gradient(circle at top left,rgba(99,102,241,.25),transparent 36%),radial-gradient(circle at top right,rgba(14,165,233,.22),transparent 32%),radial-gradient(circle at bottom,rgba(168,85,247,.13),transparent 38%),linear-gradient(135deg,#f8fbff,#eef3ff)}.hidden{display:none!important}.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px}.glass-card{background:var(--card);backdrop-filter:blur(22px);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px}.login-card{width:min(520px,100%)}.brand{display:flex;gap:16px;align-items:center}.brand.mini h1{font-size:22px}.brand h1,.brand p{margin:0}.brand h1{letter-spacing:-.04em;font-size:34px}.brand p{color:var(--muted);margin-top:4px}.brand-icon{width:58px;height:58px;border-radius:20px;display:grid;place-items:center;font-weight:800;color:white;background:linear-gradient(145deg,#60a5fa,#7c3aed);box-shadow:0 14px 26px rgba(37,99,235,.28);user-select:none}.login-form,.form-grid{display:grid;gap:14px}.login-form{margin-top:32px}label{color:var(--muted);font-size:14px;display:grid;gap:8px}input,select{width:100%;border:1px solid var(--border);border-radius:16px;padding:13px 14px;background:rgba(255,255,255,.84);font:inherit;color:var(--text);outline:none;transition:.2s ease}input:focus,select:focus{border-color:rgba(37,99,235,.55);box-shadow:0 0 0 4px rgba(37,99,235,.10)}button{border:0;border-radius:999px;padding:12px 18px;font-weight:700;cursor:pointer;font:inherit;transition:transform .18s ease,box-shadow .18s ease,background .18s ease}button:hover{transform:translateY(-1px)}.primary-btn{color:white;background:linear-gradient(145deg,var(--primary),var(--primary-dark));box-shadow:0 12px 24px rgba(37,99,235,.22)}.ghost-btn{background:rgba(255,255,255,.7);color:var(--text);border:1px solid var(--border);display:inline-flex;align-items:center;justify-content:center}.danger-btn{color:white;background:var(--danger)}.error-text{color:var(--danger);margin:0}.small-note,.muted{color:var(--muted);line-height:1.5}.small-note{font-size:13px}.topbar{position:sticky;top:0;z-index:10;margin:18px auto 0;width:min(1180px,calc(100% - 28px));display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:18px;padding:14px;border-radius:28px;background:rgba(255,255,255,.72);backdrop-filter:blur(22px);border:1px solid var(--border);box-shadow:0 12px 40px rgba(15,23,42,.08)}.tabs{position:relative;justify-self:center;display:flex;gap:8px;padding:6px;border-radius:999px;background:rgba(15,23,42,.04);overflow:hidden}.tab-indicator{position:absolute;top:6px;left:0;height:calc(100% - 12px);width:0;border-radius:999px;background:white;box-shadow:0 8px 20px rgba(15,23,42,.08);transition:transform .35s cubic-bezier(.2,.9,.2,1),width .35s cubic-bezier(.2,.9,.2,1);z-index:0}.tab{position:relative;z-index:1;background:transparent;color:var(--muted);padding:10px 15px}.tab.active{color:var(--text)}.tab-panel{display:none;width:min(1180px,calc(100% - 28px));margin:24px auto 60px}.tab-panel.active{display:block}.hero-card{display:flex;justify-content:space-between;align-items:stretch;gap:24px}.eyebrow{margin:0 0 8px;color:var(--primary);text-transform:uppercase;letter-spacing:.12em;font-size:12px;font-weight:800}h2,h3{letter-spacing:-.035em;margin:0}h2{font-size:clamp(30px,4vw,52px)}h3{font-size:22px}.hero-card p{color:var(--muted)}.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(100px,1fr));gap:12px;min-width:380px}.hero-stats div{border-radius:24px;background:rgba(255,255,255,.72);border:1px solid var(--border);padding:18px}.hero-stats strong{display:block;font-size:32px;letter-spacing:-.04em}.hero-stats span{color:var(--muted);font-size:14px}.grid{display:grid;gap:20px;margin-top:20px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.card-header,.section-title{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:18px}.pill{background:rgba(37,99,235,.10);color:var(--primary);border-radius:999px;padding:7px 12px;font-size:13px;font-weight:800}.next-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.next-meta span{display:inline-flex;align-items:center;min-height:38px;padding:8px 13px;border-radius:999px;background:rgba(255,255,255,.72);border:1px solid var(--border);color:var(--muted);font-weight:700}.next-quiz-card{background:radial-gradient(circle at top right,rgba(37,99,235,.12),transparent 42%),rgba(255,255,255,.76)}.reminder-card{background:radial-gradient(circle at top left,rgba(124,58,237,.10),transparent 42%),rgba(255,255,255,.76)}.signup-btn,.calendar-btn{margin-top:14px}.podium-stage{min-height:260px;display:grid;grid-template-columns:1fr 1.15fr 1fr;align-items:end;gap:10px;padding-top:20px}.stage-slot{display:grid;grid-template-rows:auto auto;align-items:end;gap:10px;min-width:0}.stage-person{text-align:center;border-radius:22px;background:rgba(255,255,255,.74);border:1px solid var(--border);padding:14px 10px;box-shadow:0 12px 28px rgba(15,23,42,.08)}.stage-avatar{width:48px;height:48px;border-radius:18px;display:grid;place-items:center;margin:0 auto 8px;font-weight:900;color:white;background:linear-gradient(145deg,#60a5fa,#7c3aed)}.stage-person strong{display:block;overflow-wrap:anywhere}.stage-person span{display:block;color:var(--muted);font-size:13px;margin-top:3px}.stage-step{display:grid;place-items:center;border-radius:22px 22px 10px 10px;color:white;font-weight:900;box-shadow:inset 0 1px 0 rgba(255,255,255,.35),0 14px 30px rgba(15,23,42,.12)}.stage-rank{font-size:32px}.slot-1{order:2}.slot-2{order:1}.slot-3{order:3}.slot-1 .stage-step{height:112px;background:linear-gradient(145deg,#f59e0b,#f97316)}.slot-2 .stage-step{height:82px;background:linear-gradient(145deg,#94a3b8,#64748b)}.slot-3 .stage-step{height:62px;background:linear-gradient(145deg,#b45309,#92400e)}.sessions-list{display:grid;gap:18px}.result-row{display:grid;grid-template-columns:56px 1fr auto;align-items:center;gap:12px;padding:11px 12px;border-radius:16px;background:rgba(255,255,255,.58);border:1px solid var(--border);margin-bottom:8px}.rank-badge{width:38px;height:38px;display:grid;place-items:center;border-radius:14px;background:rgba(37,99,235,.10);color:var(--primary);font-weight:900}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse}th,td{padding:14px 12px;text-align:left;border-bottom:1px solid var(--border)}th{color:var(--muted);font-size:13px;text-transform:uppercase;letter-spacing:.08em}.filter-row,.button-row{display:flex;flex-wrap:wrap;gap:10px}.filter-btn{background:rgba(255,255,255,.72);color:var(--muted);border:1px solid var(--border)}.filter-btn.active{background:var(--text);color:white}.empty-state{text-align:center;padding:34px;color:var(--muted)}.modal-overlay{position:fixed;inset:0;background:rgba(15,23,42,.35);backdrop-filter:blur(8px);display:grid;place-items:center;padding:24px;z-index:1000}.modal-card{width:min(680px,100%)}.checkbox-line{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:14px}.checkbox-line 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10px;border-radius:999px;backdrop-filter:blur(8px);z-index:99999!important;pointer-events:none}.site-footer{text-align:center;font-size:11px;color:rgba(23,32,51,.45);line-height:1.6;padding:30px 20px 80px}@media(max-width:860px){.topbar{grid-template-columns:1fr}.tabs{justify-self:start;overflow-x:auto;max-width:100%}.hero-card{flex-direction:column}.hero-stats{min-width:0;grid-template-columns:1fr}.grid.two{grid-template-columns:1fr}}@media(max-width:700px){.podium-stage{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;min-height:240px}.podium-stage .stage-person{padding:10px 6px;border-radius:18px}.podium-stage .stage-avatar{width:38px;height:38px;border-radius:14px;font-size:13px}.podium-stage .stage-person strong{font-size:12px;line-height:1.15}.podium-stage .stage-person span{font-size:11px}.podium-stage .slot-1 .stage-step{height:94px}.podium-stage .slot-2 .stage-step{height:72px}.podium-stage .slot-3 .stage-step{height:54px}}