@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

* { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }
:root {
  --ink: #0d1b2a;
  --ink-2: #11253a;
  --ink-3: #1b3553;
  --paper: #f6f1e7;
  --paper-2: #ede5d3;
  --line: #d9cfb8;
  --line-2: #b8ab8c;
  --gold: #b8893b;
  --gold-2: #9a6f25;
  --text: #1c1812;
  --muted: #6b6253;
  --success: #2e6b3f;
  --warn: #b8732d;
  --danger: #a43227;
  --serif: 'Plus Jakarta Sans', -apple-system, sans-serif;
  --sans: 'Plus Jakarta Sans', -apple-system, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
}
html, body { height: 100%; }
body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  background-image:
    radial-gradient(ellipse 800px 400px at 0% 0%, rgba(184,137,59,0.06), transparent 60%),
    radial-gradient(ellipse 600px 400px at 100% 100%, rgba(13,27,42,0.04), transparent 60%);
}

/* ===== Auth screen ===== */
.auth-shell {
  min-height: 100vh; display: grid; place-items: center; padding: 24px;
}
.auth-card {
  width: 100%; max-width: 420px; background: #fff;
  border: 1px solid var(--line); border-radius: 4px;
  padding: 40px 36px; box-shadow: 0 12px 40px rgba(13,27,42,0.08);
  position: relative;
}
.auth-card::before {
  content: ''; position: absolute; inset: 4px; border: 1px solid var(--line);
  pointer-events: none; border-radius: 2px;
}
.auth-brand { text-align: center; margin-bottom: 28px; }
.auth-brand .mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 56px; height: 56px; margin-bottom: 14px;
  border: 1.5px solid var(--ink); border-radius: 50%;
  font-family: var(--serif); font-size: 28px; font-weight: 700;
  color: var(--ink); letter-spacing: 1px;
}
.auth-brand h1 {
  font-family: var(--serif); font-size: 26px; font-weight: 700; letter-spacing: -0.02em;
  color: var(--ink); letter-spacing: 0.5px;
}
.auth-brand .tagline {
  font-size: 11px; text-transform: uppercase; letter-spacing: 3px;
  color: var(--gold-2); margin-top: 6px;
}
.auth-card form { display: flex; flex-direction: column; gap: 14px; }
.auth-card .btn { width: 100%; }
.auth-tabs { display: flex; gap: 0; margin-bottom: 18px; border-bottom: 1px solid var(--line); }
.auth-tab {
  flex: 1; background: none; border: none; padding: 10px 0;
  font: inherit; cursor: pointer; color: var(--muted);
  border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.auth-tab.active { color: var(--ink); border-color: var(--gold); font-weight: 500; }
.auth-error {
  background: #fdf2ef; border-left: 3px solid var(--danger);
  padding: 8px 12px; font-size: 12px; color: var(--danger);
  margin-bottom: 12px;
}

/* ===== App layout ===== */
.app-shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 240px; background: var(--ink); color: #d9cfb8;
  display: flex; flex-direction: column; flex-shrink: 0;
  border-right: 1px solid var(--ink-3);
}
.brand {
  display: flex; gap: 12px; align-items: center;
  padding: 24px 22px 20px; border-bottom: 1px solid var(--ink-3);
}
.brand .mark {
  width: 38px; height: 38px; border: 1px solid var(--gold);
  border-radius: 50%; display: grid; place-items: center;
  font-family: var(--serif); font-weight: 700; color: var(--gold);
}
.brand h1 {
  font-family: var(--serif); font-size: 18px; font-weight: 700; letter-spacing: -0.01em;
  color: #f6f1e7; line-height: 1;
}
.brand small {
  font-size: 9px; text-transform: uppercase; letter-spacing: 2.5px;
  color: var(--gold);
}
nav { display: flex; flex-direction: column; padding: 18px 12px; flex: 1; gap: 1px; }
.nav-btn {
  background: none; border: none; color: #b8ab8c;
  padding: 10px 14px; text-align: left; cursor: pointer;
  font: 500 13px var(--sans); border-radius: 2px;
  transition: all 0.15s; display: flex; align-items: center;
  gap: 10px;
}
.nav-btn::before {
  content: ''; width: 4px; height: 4px; border-radius: 50%;
  background: transparent; flex-shrink: 0;
}
.nav-btn:hover { color: var(--paper); background: rgba(255,255,255,0.04); }
.nav-btn.active {
  color: var(--paper); background: var(--ink-3);
  border-left: none;
}
.nav-btn.active::before { background: var(--gold); }
.sidebar-footer {
  padding: 14px 22px; border-top: 1px solid var(--ink-3);
  font-size: 11px; color: #8c8170; display: flex;
  flex-direction: column; gap: 6px;
}
.sidebar-footer .user { color: var(--paper); font-size: 12px; }
.sidebar-footer button {
  background: none; border: 1px solid var(--ink-3); color: #b8ab8c;
  padding: 6px 10px; font-size: 11px; cursor: pointer; border-radius: 2px;
  transition: all 0.15s;
}
.sidebar-footer button:hover { color: var(--gold); border-color: var(--gold); }

/* ===== Main content ===== */
.main { flex: 1; padding: 36px 44px; overflow-x: auto; max-width: 100%; }
.view { display: none; }
.view.active { display: block; animation: fade 0.25s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.view-header {
  display: flex; align-items: flex-end; justify-content: space-between;
  margin-bottom: 28px; padding-bottom: 18px;
  border-bottom: 1px solid var(--line-2);
}
.view-header h2 {
  font-family: var(--serif); font-size: 28px; font-weight: 700; letter-spacing: -0.02em;
  color: var(--ink); letter-spacing: 0.3px;
}
.view-header .eyebrow {
  font-size: 10px; text-transform: uppercase; letter-spacing: 2.5px;
  color: var(--gold-2); margin-bottom: 4px; font-weight: 500;
}
.muted { color: var(--muted); }
.small { font-size: 12px; }

/* ===== Cards ===== */
.card {
  background: #fffdf8;
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 24px;
  margin-bottom: 20px;
  position: relative;
}
.card h3 {
  font-family: var(--serif); font-size: 18px; font-weight: 700; letter-spacing: -0.01em;
  color: var(--ink); margin-bottom: 16px;
  padding-bottom: 10px; border-bottom: 1px solid var(--line);
}
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 1000px) { .grid-2 { grid-template-columns: 1fr; } }

/* ===== Stats ===== */
.stats {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px; margin-bottom: 24px;
  background: var(--line); border: 1px solid var(--line);
}
.stat-card {
  background: #fffdf8; padding: 22px 22px;
  display: flex; flex-direction: column; gap: 6px;
  position: relative; transition: background 0.15s;
}
.stat-card:hover { background: #fffaf0; }
.stat-label {
  color: var(--muted); font-size: 10px; text-transform: uppercase;
  letter-spacing: 2px; font-weight: 500;
}
.stat-value {
  font-family: var(--serif); font-size: 26px; font-weight: 700; letter-spacing: -0.02em;
  color: var(--ink); line-height: 1.1; font-variant-numeric: tabular-nums;
}
.stat-card.warn .stat-value { color: var(--warn); }
.stat-card.gold::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 32px; height: 2px; background: var(--gold);
}

/* ===== Tables ===== */
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td {
  padding: 11px 12px; text-align: left;
  border-bottom: 1px solid var(--line); font-size: 13px;
}
th {
  color: var(--ink); font-weight: 500; font-size: 10px;
  text-transform: uppercase; letter-spacing: 1.5px;
  background: var(--paper-2); border-bottom: 1px solid var(--line-2);
}
tbody tr { transition: background 0.1s; }
tbody tr:hover { background: var(--paper-2); }
tbody tr:last-child td { border-bottom: none; }
td.num { font-family: var(--mono); font-size: 12px; }
td .row-actions button { margin-right: 4px; }

/* ===== Buttons ===== */
.btn {
  background: #fff; border: 1px solid var(--ink);
  padding: 9px 18px; border-radius: 2px; cursor: pointer;
  font: 500 12px var(--sans); letter-spacing: 0.8px;
  text-transform: uppercase; color: var(--ink);
  transition: all 0.15s; margin-right: 6px;
}
.btn:hover { background: var(--ink); color: var(--paper); }
.btn.primary {
  background: var(--ink); color: var(--paper); border-color: var(--ink);
}
.btn.primary:hover { background: var(--gold-2); border-color: var(--gold-2); }
.btn.gold {
  background: var(--gold); color: #fff; border-color: var(--gold);
}
.btn.gold:hover { background: var(--gold-2); border-color: var(--gold-2); }
.btn.danger { background: #fff; color: var(--danger); border-color: var(--danger); }
.btn.danger:hover { background: var(--danger); color: #fff; }
.btn.small { padding: 4px 10px; font-size: 10px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ===== Forms ===== */
input[type=text], input[type=number], input[type=date],
input[type=email], input[type=password], input[type=search],
select, textarea {
  width: 100%; padding: 9px 12px;
  border: 1px solid var(--line-2); border-radius: 2px;
  font-size: 13px; font-family: inherit;
  background: #fffdf8; color: var(--text);
  transition: border-color 0.15s;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(184,137,59,0.12);
}
.search { margin-bottom: 14px; max-width: 380px; }
.filters { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.filters .search, .filters select { max-width: 240px; margin-bottom: 0; }
label {
  display: block; font-size: 10px; color: var(--muted);
  margin-bottom: 14px; text-transform: uppercase;
  letter-spacing: 1.5px; font-weight: 500;
}
label input, label select, label textarea {
  margin-top: 6px; text-transform: none; letter-spacing: normal;
  font-weight: 400;
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-grid .full { grid-column: 1 / -1; }

/* ===== Status badges ===== */
.badge {
  display: inline-block; padding: 3px 10px; border-radius: 0;
  font-size: 10px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 1.2px; border: 1px solid;
}
.badge.active   { color: var(--ink-3); border-color: var(--ink-3); background: #fff; }
.badge.paid     { color: var(--success); border-color: var(--success); background: #f0f5f1; }
.badge.overdue  { color: var(--danger); border-color: var(--danger); background: #fdf2ef; }
.badge.defaulted{ color: #6b21a8; border-color: #6b21a8; background: #f7f0fb; }
.badge.pending  { color: var(--muted); border-color: var(--line-2); background: var(--paper-2); }

/* ===== Modal ===== */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(13,27,42,0.55);
  display: grid; place-items: center; z-index: 100; padding: 20px;
  backdrop-filter: blur(2px);
}
.modal {
  background: var(--paper); border: 1px solid var(--ink); border-radius: 2px;
  width: 100%; max-width: 580px; max-height: 92vh; overflow: auto;
  box-shadow: 0 20px 60px rgba(13,27,42,0.4);
  position: relative;
}
.modal::before {
  content: ''; position: absolute; inset: 4px;
  border: 1px solid var(--line-2); pointer-events: none;
}
.modal header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 22px 28px 16px; border-bottom: 1px solid var(--line-2);
  position: relative;
}
.modal header h3 {
  font-family: var(--serif); font-size: 19px; font-weight: 700; letter-spacing: -0.01em;
  color: var(--ink);
}
.close {
  background: none; border: none; font-size: 26px; cursor: pointer;
  color: var(--muted); line-height: 1; padding: 0 4px;
  transition: color 0.15s;
}
.close:hover { color: var(--danger); }
.modal-body { padding: 24px 28px; }
.modal-actions {
  display: flex; justify-content: flex-end; gap: 8px;
  margin-top: 22px; padding-top: 16px; border-top: 1px solid var(--line-2);
}

/* ===== Loan summary panel ===== */
.loan-summary {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px; margin-bottom: 22px; background: var(--line);
  border: 1px solid var(--line);
}
.loan-summary div {
  background: #fffdf8; padding: 14px 16px;
  display: flex; flex-direction: column; gap: 4px;
}
.loan-summary span:first-child {
  font-size: 9px; color: var(--muted); text-transform: uppercase;
  letter-spacing: 1.5px; font-weight: 500;
}
.loan-summary span:last-child {
  font-family: var(--serif); font-size: 16px; font-weight: 700; letter-spacing: -0.01em;
  color: var(--ink); font-variant-numeric: tabular-nums;
}

/* ===== Toast ===== */
.toast {
  position: fixed; bottom: 28px; right: 28px;
  background: var(--ink); color: var(--paper);
  padding: 12px 22px; border-radius: 2px;
  font-size: 12px; letter-spacing: 0.5px;
  border-left: 3px solid var(--gold);
  box-shadow: 0 8px 24px rgba(13,27,42,0.3); z-index: 200;
}

pre {
  background: var(--ink); color: #d9cfb8;
  padding: 14px 18px; border-radius: 2px;
  font: 12px var(--mono); overflow-x: auto;
  border-left: 3px solid var(--gold);
}
hr { border: none; border-top: 1px solid var(--line); margin: 16px 0; }

.spinner {
  display: inline-block; width: 14px; height: 14px;
  border: 2px solid var(--line); border-top-color: var(--gold);
  border-radius: 50%; animation: spin 0.7s linear infinite;
  vertical-align: middle; margin-right: 6px;
}
@keyframes spin { to { transform: rotate(360deg); } }

.empty {
  text-align: center; padding: 40px 20px; color: var(--muted);
  font-family: var(--serif); font-size: 14px; font-weight: 500;
}

@media print {
  .sidebar, .view-header, .filters, .btn { display: none !important; }
  .main { padding: 0; }
  .card { border: none; }
  body { background: #fff; }
}

@media (max-width: 720px) {
  .app-shell { flex-direction: column; }
  .sidebar { width: 100%; flex-direction: row; overflow-x: auto; }
  nav { flex-direction: row; padding: 8px; }
  .sidebar-footer { display: none; }
  .main { padding: 20px; }
  .form-grid { grid-template-columns: 1fr; }
}