:root{--bg:#0b0f19;--bg-soft:#111726;--panel:#151c2c;--panel-2:#1b2334;--border:#26314a;--text:#e6ebf5;--text-dim:#97a3bd;--primary:#4f7cff;--primary-dim:#2d4bb8;--green:#2fbf71;--amber:#f2b23e;--red:#ef5b6f;--radius:12px;--shadow:0 8px 30px rgba(0,0,0,.35)}*{box-sizing:border-box}body,html{padding:0;margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:15px;line-height:1.5}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{margin:0 0 .4em;font-weight:650;letter-spacing:-.01em}h1{font-size:1.6rem}h2{font-size:1.2rem}.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(1200px 600px at 50% -10%,#182448 0,var(--bg) 60%)}.auth-card{width:100%;max-width:400px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow)}.auth-card .brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}.auth-card .brand .logo{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--primary),#7aa2ff);display:grid;place-items:center;font-weight:800;color:#fff}.app-shell{display:flex;min-height:100vh}.sidebar{width:240px;flex-shrink:0;background:var(--bg-soft);border-right:1px solid var(--border);padding:20px 14px;display:flex;flex-direction:column;gap:4px}.sidebar .brand{display:flex;align-items:center;gap:10px;padding:6px 8px 18px}.sidebar .brand .logo{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--primary),#7aa2ff);display:grid;place-items:center;font-weight:800;color:#fff;font-size:14px}.sidebar .brand b{font-size:.98rem}.nav-link{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:9px;color:var(--text-dim);font-weight:550;font-size:.92rem}.nav-link:hover{background:var(--panel);color:var(--text);text-decoration:none}.nav-link.active{background:var(--panel-2);color:var(--text)}.sidebar-footer{margin-top:auto;padding-top:14px;border-top:1px solid var(--border)}.sidebar-footer .email{font-size:.8rem;color:var(--text-dim);padding:4px 8px;word-break:break-all}.main{flex:1 1;min-width:0;padding:28px 32px;max-width:1200px}.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap}.page-head p{margin:4px 0 0}.page-head p,label{color:var(--text-dim)}label{display:block;font-size:.82rem;margin:12px 0 6px;font-weight:600}input,select{width:100%;padding:10px 12px;background:var(--bg);border:1px solid var(--border);border-radius:9px;color:var(--text);font-size:.95rem}input:focus,select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(79,124,255,.15)}.field-row{display:flex;gap:12px;flex-wrap:wrap}.field-row>div{flex:1 1;min-width:140px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 16px;border-radius:9px;border:1px solid transparent;background:var(--primary);color:#fff;font-weight:600;font-size:.92rem;cursor:pointer;transition:filter .15s ease}.btn:hover{filter:brightness(1.08);text-decoration:none}.btn:disabled{opacity:.55;cursor:not-allowed}.btn.secondary{background:var(--panel-2)}.btn.ghost,.btn.secondary{border-color:var(--border);color:var(--text)}.btn.ghost{background:transparent}.btn.block{width:100%}.btn.small{padding:6px 10px;font-size:.82rem}.panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.panel+.panel{margin-top:18px}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));grid-gap:14px;gap:14px}.stat{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px}.stat .label{font-size:.78rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:.04em;font-weight:600}.stat .value{font-size:1.5rem;font-weight:700;margin-top:6px;letter-spacing:-.02em}.stat .sub{font-size:.8rem;color:var(--text-dim);margin-top:4px}.stat.accent{border-color:var(--primary-dim);background:linear-gradient(180deg,rgba(79,124,255,.1),transparent)}.stat.green .value{color:var(--green)}.stat.amber .value{color:var(--amber)}.stat.red .value{color:var(--red)}.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius)}table{width:100%;border-collapse:collapse;font-size:.88rem;min-width:760px}thead th{text-align:left;padding:11px 14px;background:var(--bg-soft);color:var(--text-dim);font-weight:600;white-space:nowrap}tbody td,thead th{border-bottom:1px solid var(--border)}tbody td{padding:10px 14px}tbody tr:last-child td{border-bottom:none}tbody tr:hover{background:var(--panel-2)}td.num,th.num{text-align:right;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;white-space:nowrap}.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:.74rem;font-weight:650}.badge.paid{background:rgba(47,191,113,.16);color:var(--green)}.badge.unpaid{background:rgba(151,163,189,.16);color:var(--text-dim)}.badge.due{background:rgba(239,91,111,.16);color:var(--red)}.filters{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end}.filters label{margin:0 0 5px}.filters .fld{min-width:150px}.filters .grow{flex:1 1;min-width:200px}.alert{padding:11px 14px;border-radius:9px;font-size:.88rem;margin:14px 0}.alert.error{background:rgba(239,91,111,.12);border:1px solid rgba(239,91,111,.4);color:#ffd7dd}.alert.success{background:rgba(47,191,113,.12);border:1px solid rgba(47,191,113,.4);color:#d3f7e3}.alert.info{background:rgba(79,124,255,.1);border:1px solid rgba(79,124,255,.35);color:#dbe5ff}.muted{color:var(--text-dim)}.small{font-size:.82rem}.spread{align-items:center;justify-content:space-between;gap:12px}.pill-row,.spread{display:flex;flex-wrap:wrap}.pill-row{gap:8px}.pill{padding:6px 12px;border-radius:999px;border:1px solid var(--border);background:var(--panel);cursor:pointer;font-size:.84rem;font-weight:600;color:var(--text-dim)}.pill.active{background:var(--primary);border-color:var(--primary);color:#fff}.spinner{display:inline-block;width:16px;height:16px;border:2px solid hsla(0,0%,100%,.35);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.center-msg{text-align:center;color:var(--text-dim);padding:40px 0}.switch{position:relative;display:inline-block;width:40px;height:22px}.switch input{opacity:0;width:0;height:0}.slider{inset:0;background:var(--border);border-radius:999px;cursor:pointer}.slider,.slider:before{position:absolute;transition:.2s}.slider:before{content:"";height:16px;width:16px;left:3px;top:3px;background:#fff;border-radius:50%}.switch input:checked+.slider{background:var(--green)}.switch input:checked+.slider:before{transform:translateX(18px)}@media (max-width:720px){.app-shell{flex-direction:column}.sidebar{width:100%;flex-direction:row;overflow-x:auto;align-items:center}.sidebar .brand{padding:6px 8px}.sidebar-footer{margin:0 0 0 auto;border:none;padding:0}.main{padding:20px 16px}}