:root{--bg:#0a0d13;--surface:#10141d;--surface-2:#161b27;--border:#232a3a;--text:#eef1f7;--muted:#8b93a7;--accent:#1f5eff;--accent-soft:rgba(31,94,255,0.14);--good:#4ade80;--warn:#fbbf24;--bad:#f87171}*{margin:0;padding:0;box-sizing:border-box}body,html{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}.wrap{max-width:1180px;margin:0 auto;padding:24px 24px 64px}.admin-nav{position:-webkit-sticky;position:sticky;top:0;z-index:20;gap:20px;padding:12px 24px;background:rgba(10,13,19,.85);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}.admin-brand,.admin-nav{display:flex;align-items:center}.admin-brand{gap:9px}.admin-brand 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32px;max-width:420px;width:100%;text-align:center;display:flex;flex-direction:column;gap:6px}.pay-logo{font-size:26px;font-weight:800;letter-spacing:-.02em;color:var(--text)}.pay-inst{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:20px}.pay-product{display:flex;flex-direction:column;gap:3px;margin-bottom:14px}.pay-product-name{font-size:15px;font-weight:600}.pay-student{font-size:13px;color:var(--muted)}.pay-amount{display:flex;align-items:baseline;justify-content:center;gap:12px;margin-bottom:24px}.pay-base{font-size:17px;color:var(--faint,var(--muted));text-decoration:line-through}.pay-final{font-size:40px;font-weight:800;letter-spacing:-.03em;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.pay-timer-label{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}.pay-timer{display:flex;align-items:baseline;justify-content:center;gap:12px;margin:8px 0 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.exp-clear{color:var(--muted);font-weight:500}.hint-err{color:var(--bad)}.deposit-row{display:flex;align-items:center;gap:8px;margin-top:10px;font-size:13.5px;color:var(--muted)}.deposit-row .cobros-input{width:80px}.cobros-dep{color:var(--accent);font-weight:600}.pay-secure{display:block;margin-top:12px;font-size:12px;color:var(--faint,var(--muted))}.pay-live{display:flex;flex-direction:column}.pay-expired{background:var(--warn-soft,rgba(251,191,36,.12));border:1px solid rgba(251,191,36,.35);border-radius:12px;padding:18px;color:var(--warn)}.pay-expired b{display:block;margin-bottom:6px}.pay-expired p{color:var(--muted);font-size:13px}.pay-done{background:var(--good-soft,rgba(52,211,153,.12));border:1px solid rgba(52,211,153,.35);border-radius:12px;padding:18px;color:var(--good);font-weight:600}.header-actions{display:flex;gap:8px;align-items:center}.nav-cta{background:var(--accent);color:#fff;text-decoration:none;font-weight:600;font-size:13px;padding:8px 14px;border-radius:9px;white-space:nowrap}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.login-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:40px 36px;max-width:380px;width:100%;text-align:center}.login-card h1{font-size:20px;font-weight:800;letter-spacing:-.01em}.login-card p{font-size:13.5px;color:var(--muted);margin:8px 0 24px}.login-error{background:var(--bad-soft,rgba(248,113,113,.12));border:1px solid rgba(248,113,113,.4);color:var(--bad);border-radius:9px;padding:10px 14px;font-size:13px;margin-bottom:18px}.google-btn{display:flex;align-items:center;justify-content:center;gap:10px;background:#fff;color:#1f1f1f;font-weight:600;font-size:14.5px;border-radius:10px;padding:12px 18px;text-decoration:none}.google-btn:hover{background:#f1f3f6}.login-note{display:block;margin-top:16px;font-size:11.5px;color:var(--faint,var(--muted))}.footer-note{margin-top:36px;font-size:12px;color:var(--muted);line-height:1.6}@media (max-width:640px){.pilot-card{grid-template-columns:1fr}}