:root{--navy:#10233f;--blue:#2e63d7;--bg:#f4f7fb;--line:#dbe3ef;--text:#172033;--muted:#68758a;--red:#b42318;--orange:#b54708;--green:#027a48}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 system-ui,-apple-system,Segoe UI,sans-serif}.topbar{min-height:66px;background:var(--navy);color:white;display:flex;align-items:center;justify-content:space-between;padding:0 5%;gap:20px}.brand{display:flex;align-items:center;gap:11px;color:white;text-decoration:none;font-weight:750;letter-spacing:.02em}.brand-mark{display:grid;place-items:center;width:35px;height:35px;border-radius:10px;background:#fff;color:var(--blue);font-size:20px}.topbar nav{display:flex;align-items:center;gap:18px}.topbar a,.link-button{color:inherit;text-decoration:none}.user{color:#b9c8dd;font-size:12px}.container{width:min(1400px,94%);margin:28px auto}.page-head{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:20px}.page-head h1{margin:0;font-size:28px}.page-head p{margin:4px 0 0;color:var(--muted)}.button{border:1px solid var(--line);background:#fff;color:var(--text);padding:10px 16px;border-radius:9px;text-decoration:none;cursor:pointer;font-weight:650}.button.primary{background:var(--blue);border-color:var(--blue);color:#fff}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}.stat{background:#fff;border:1px solid var(--line);border-left:5px solid var(--blue);border-radius:12px;padding:15px 18px;text-decoration:none;color:inherit;display:flex;flex-direction:column}.stat strong{font-size:28px}.stat span{color:var(--muted)}.stat.danger{border-left-color:var(--red)}.stat.warning{border-left-color:#f79009}.stat.info{border-left-color:#06aed4}.filters{display:grid;grid-template-columns:minmax(260px,1fr) 180px 210px auto;gap:10px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px;margin-bottom:18px}input,select,textarea{width:100%;border:1px solid #cbd5e1;border-radius:8px;padding:10px 11px;background:#fff;color:var(--text);font:inherit}input:focus,select:focus,textarea:focus{outline:3px solid #dbeafe;border-color:var(--blue)}.table-card,.form-card,.login-card{background:#fff;border:1px solid var(--line);border-radius:13px;box-shadow:0 3px 14px rgba(16,35,63,.05);overflow:hidden}.table-scroll{overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:13px 14px;border-bottom:1px solid #e8edf4;white-space:nowrap;vertical-align:middle}th{background:#f8fafc;color:#526176;font-size:12px;text-transform:uppercase;letter-spacing:.04em}.badge{display:inline-block;border-radius:999px;padding:5px 9px;font-size:12px;font-weight:750}.badge.overdue{background:#fee4e2;color:var(--red)}.badge.today,.badge.urgent{background:#fff0c7;color:#93370d}.badge.soon{background:#e0f2fe;color:#075985}.badge.later{background:#eef2f6;color:#475467}.badge.paid{background:#dcfae6;color:var(--green)}.actions{display:flex;gap:10px;align-items:center}.inline{display:inline;margin:0}.link-button{background:none;border:0;padding:0;cursor:pointer;font:inherit;color:var(--blue)}.danger-text{color:var(--red)}.empty{text-align:center;color:var(--muted);padding:40px}.form-card{padding:24px}.form-grid{display:grid;gap:16px}.form-grid.two{grid-template-columns:1fr 1fr}.form-grid label{font-weight:650}.form-grid label input,.form-grid label select,.form-grid label textarea{display:block;margin-top:6px;font-weight:400}.form-grid .full{grid-column:1/-1}.form-actions{display:flex;justify-content:flex-end;gap:10px}.form-grid small{display:block;margin-top:5px;color:var(--muted);font-weight:400}.field-error{color:var(--red)!important}.checkbox{display:flex;align-items:center;gap:8px}.checkbox input{width:auto;margin:0!important}.login-card{width:min(430px,100%);margin:9vh auto;padding:30px}.login-card h1{margin:0}.login-card p{color:var(--muted)}.flash{padding:12px 15px;border-radius:9px;margin-bottom:14px;background:#eaf2ff;color:#1849a9}.flash.error{background:#fee4e2;color:var(--red)}.flash.success{background:#dcfae6;color:var(--green)}@media(max-width:800px){.topbar{padding:12px 4%;align-items:flex-start}.brand span:last-child{display:none}.stats{grid-template-columns:1fr 1fr}.filters{grid-template-columns:1fr}.form-grid.two{grid-template-columns:1fr}.form-grid .full{grid-column:auto}.page-head{align-items:flex-start}.actions{min-width:250px}}@media(max-width:480px){.stats{grid-template-columns:1fr}.container{width:94%;margin-top:18px}.topbar nav{gap:10px}.user{display:none}}