:root{--bg: #eef2f6;--surface: #ffffff;--ink: #15202b;--muted: #5b6b7c;--accent: #0b5fff;--accent-soft: #e8f0ff;--warn: #c45c00;--danger: #b00020;--border: #d5dde6;font-family:Segoe UI,system-ui,sans-serif;color:var(--ink);background:var(--bg)}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(1200px 500px at 10% -10%,#dfeaff 0%,transparent 55%),radial-gradient(900px 400px at 100% 0%,#e7f6ef 0%,transparent 50%),var(--bg)}.app{max-width:1100px;margin:0 auto;padding:1.25rem}header{display:flex;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1rem;flex-wrap:wrap}header h1{margin:0;font-size:1.35rem}nav{display:flex;flex-wrap:wrap;align-items:center;gap:.25rem}button.nav-link{background:transparent;color:var(--accent);font-weight:600;padding:.35rem .6rem}button.nav-link.active{color:var(--warn)}button.nav-link:hover{text-decoration:underline}.card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:1.1rem;margin-bottom:1rem;box-shadow:0 8px 24px #15202b0f}.login-card{max-width:420px;margin:4rem auto;text-align:center}.login-card h1{font-size:2rem;letter-spacing:.04em;margin-bottom:.25rem}button{background:var(--accent);color:#fff;border:0;padding:.5rem 1rem;border-radius:6px;cursor:pointer;margin-right:.5rem;margin-top:.35rem}button.secondary{background:#5b6b7c}button.danger{background:var(--danger)}button:disabled{opacity:.6;cursor:not-allowed}input,select,textarea{width:100%;padding:.5rem;margin:.25rem 0 .75rem;border:1px solid var(--border);border-radius:6px;background:#fff}label{font-size:.9rem;font-weight:600}.badge{display:inline-block;padding:.15rem .5rem;border-radius:999px;font-size:.75rem;background:#eee}.badge.pending{background:#fff3cd}.badge.approved{background:#d4edda}.badge.rejected{background:#f8d7da}.alert{background:#fff8e1;border-left:4px solid var(--warn);padding:.75rem;margin-bottom:1rem;text-align:left}.password-reveal{margin:.5rem 0}.password-reveal code,code{background:#f0f3f7;padding:.1rem .35rem;border-radius:4px}.row{border-bottom:1px solid #eee;padding:.75rem 0}.muted{color:var(--muted);font-size:.9rem}.error{color:var(--danger)}small{color:var(--muted)}.admin-tabs{display:flex;flex-wrap:wrap;gap:.25rem;margin:.75rem 0 1rem;padding-bottom:.5rem;border-bottom:1px solid var(--border)}.checkbox-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:.35rem .75rem;margin:.35rem 0 .75rem}.checkbox-item{display:flex;align-items:center;gap:.4rem;font-weight:500;font-size:.9rem}.checkbox-item input{width:auto;margin:0}