:root{--bg-primary: #0a1628;--bg-card: #0f2040;--bg-surface: #162a52;--accent: #f59e0b;--accent-hover: #d97706;--accent-muted: #fcd34d;--text-primary: #f0f4ff;--text-secondary: #94a3b8;--success: #10b981;--danger: #ef4444;--border: #1e3a6e}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg-primary);color:var(--text-primary);font-family:Inter,system-ui,sans-serif;font-size:15px;line-height:1.6}a{color:inherit;text-decoration:none}.page-title{font-size:28px;font-weight:700;margin:0 0 24px}.section-heading{font-size:20px;font-weight:600;margin:0 0 16px}.label{font-size:13px;font-weight:500;color:var(--text-secondary)}.stat-number{font-size:36px;font-weight:800;color:var(--accent)}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:24px;box-shadow:0 4px 24px #0000004d}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:8px;padding:12px 24px;font-weight:600;font-size:15px;cursor:pointer;transition:all .15s;border:none;font-family:inherit}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--accent);color:#0a1628}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-secondary{background:transparent;border:1px solid var(--accent);color:var(--accent)}.btn-secondary:hover:not(:disabled){background:#f59e0b14}.btn-ghost{background:transparent;border:none;color:var(--text-secondary)}.btn-ghost:hover:not(:disabled){color:var(--text-primary)}input,textarea,select{background:var(--bg-primary);border:1px solid var(--border);border-radius:8px;padding:12px 16px;color:var(--text-primary);font-family:inherit;font-size:15px;width:100%}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--accent)}.field{margin-bottom:16px}.field label{display:block;margin-bottom:6px}.field-error{color:var(--danger);font-size:13px;margin-top:4px}.badge{display:inline-flex;align-items:center;border-radius:999px;padding:4px 12px;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.04em}.badge-paid{background:#10b98126;color:var(--success)}.badge-unpaid{background:#f59e0b26;color:var(--accent)}.nav{background:var(--bg-surface);height:64px;border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:space-between;padding:0 32px;position:sticky;top:0;z-index:10}.nav-logo{display:flex;align-items:center;gap:8px;font-weight:700;font-size:18px}.nav-links{display:flex;gap:28px}.nav-link{color:var(--text-secondary);font-weight:500;padding:4px 0;border-bottom:2px solid transparent}.nav-link.active{color:var(--accent);border-bottom-color:var(--accent)}.nav-right{display:flex;align-items:center;gap:16px}.container{max-width:1100px;margin:0 auto;padding:32px 24px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}@media (max-width: 800px){.grid-3,.grid-2{grid-template-columns:1fr}}.auth-card{max-width:480px;margin:60px auto}.auth-card.narrow{max-width:400px}.hero{min-height:100vh;background:radial-gradient(circle at 85% 0%,rgba(245,158,11,.15),transparent 50%),var(--bg-primary);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:40px 24px}.hero h1{font-size:56px;font-weight:800;margin:0 0 16px;max-width:800px}.hero p{font-size:20px;color:var(--text-secondary);max-width:600px;margin:0 0 32px}.hero-actions{display:flex;gap:16px}.features{display:flex;gap:32px;padding:60px 24px;max-width:1000px;margin:0 auto;flex-wrap:wrap;justify-content:center}.feature{flex:1;min-width:240px;text-align:center}.feature .icon{font-size:32px;margin-bottom:12px}.feature h3{font-size:18px;margin:0 0 8px}.feature p{color:var(--text-secondary);font-size:14px}.footer{text-align:center;color:var(--text-secondary);padding:24px;font-size:13px;border-top:1px solid var(--border)}.banner-error{background:#ef44441f;border:1px solid var(--danger);color:var(--danger);padding:12px 16px;border-radius:8px;margin-bottom:16px}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);font-size:14px}th{color:var(--text-secondary);font-weight:500;font-size:13px}.segmented{display:inline-flex;background:var(--bg-surface);border-radius:8px;padding:4px;gap:4px}.segmented button{background:transparent;border:none;color:var(--text-secondary);padding:8px 16px;border-radius:6px;cursor:pointer;font-family:inherit;font-weight:500}.segmented button.active{background:var(--accent);color:#0a1628}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:28px;max-width:420px;width:100%}.api-key-box{background:#f59e0b1a;border:1px solid var(--accent);border-radius:8px;padding:16px;font-family:monospace;word-break:break-all;margin:12px 0}.spinner{display:inline-block;width:16px;height:16px;border:2px solid rgba(0,0,0,.3);border-top-color:#0a1628;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}