:root {
  --navy: #101828;
  --gold: #D4AF37;
  --amber: #F59E0B;
  --bg: #F5F6FA;
  --card: #FFFFFF;
  --text: #1F2937;
  --muted: #667085;
  --border: #E5E7EB;
  --success: #16A34A;
  --danger: #DC2626;
  --shadow: 0 12px 30px rgba(16, 24, 40, 0.08);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
}
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 18px;
  background: var(--navy);
  color: #fff;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  border-radius: 8px;
  background: #fff;
  color: var(--navy);
  font-weight: 800;
  border: 2px solid rgba(212, 175, 55, 0.8);
}
.brand-mark.large {
  width: 58px;
  height: 58px;
  font-size: 1.25rem;
}
.brand strong, .login-brand h1 { display: block; letter-spacing: 0; }
.brand small { color: rgba(255, 255, 255, 0.72); display: block; margin-top: 2px; }
.nav {
  display: grid;
  gap: 4px;
  overflow-y: auto;
}
.nav a {
  padding: 10px 12px;
  border-radius: 6px;
  color: rgba(255, 255, 255, 0.82);
  border-left: 3px solid transparent;
}
.nav a:hover, .nav a.active {
  background: rgba(255, 255, 255, 0.08);
  border-left-color: var(--gold);
  color: #fff;
}
.sidebar-footer {
  margin-top: auto;
  display: grid;
  gap: 8px;
  color: rgba(255, 255, 255, 0.72);
}
.main {
  min-width: 0;
  padding: 24px;
}
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 18px;
}
.topbar h1 {
  margin: 0;
  font-size: 1.7rem;
}
.topbar p {
  margin: 4px 0 0;
  color: var(--muted);
}
.user-chip {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  color: var(--muted);
  white-space: nowrap;
}
.panel, .hero-panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 18px;
  margin-bottom: 18px;
}
.panel.narrow { max-width: 760px; }
.hero-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(135deg, #101828 0%, #1f2937 100%);
  color: #fff;
}
.hero-panel h2 { margin: 0 0 4px; font-size: 1.5rem; }
.hero-panel p { margin: 0; color: rgba(255, 255, 255, 0.76); }
.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}
.metric-card {
  padding: 16px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
}
.metric-card span, .metric-card small { color: var(--muted); }
.metric-card h3 { margin: 6px 0 8px; font-size: 0.98rem; }
.metric-card strong { display: block; font-size: 1.35rem; margin-bottom: 4px; }
.metric-card.danger { border-top: 3px solid var(--danger); }
.metric-card.amber { border-top: 3px solid var(--amber); }
.grid.two {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.panel-title, .toolbar, .form-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.panel-title { justify-content: space-between; margin-bottom: 12px; }
.panel-title h2, .panel h2 { margin: 0; font-size: 1.08rem; }
.panel-title a { color: var(--navy); font-weight: 700; }
.toolbar {
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.spacer { flex: 1; }
.table-wrap {
  width: 100%;
  overflow-x: auto;
}
.table-wrap.tall { max-height: 70vh; overflow: auto; }
table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}
th, td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
  white-space: nowrap;
}
th {
  position: sticky;
  top: 0;
  background: #F8FAFC;
  color: #344054;
  font-size: 0.82rem;
  text-transform: uppercase;
  z-index: 1;
}
tbody tr:nth-child(even) { background: #FCFCFD; }
.empty { color: var(--muted); text-align: center; }
.actions {
  display: flex;
  gap: 10px;
  align-items: center;
}
.actions form { margin: 0; }
.status {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 999px;
  background: #F2F4F7;
  color: var(--muted);
  font-size: 0.82rem;
}
.status.ok { background: #DCFCE7; color: #166534; }
.status.muted { background: #F2F4F7; color: var(--muted); }
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.form-grid.wide { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.form-stack {
  display: grid;
  gap: 12px;
}
label {
  display: grid;
  gap: 6px;
  color: #344054;
  font-weight: 650;
  min-width: 0;
}
input, select, textarea {
  width: 100%;
  min-width: 0;
  border: 1px solid #D0D5DD;
  border-radius: 6px;
  padding: 10px 11px;
  background: #fff;
  color: var(--text);
}
textarea { min-height: 84px; resize: vertical; }
.check {
  display: flex;
  align-items: center;
  gap: 8px;
}
.check input { width: auto; }
.full-span { grid-column: 1 / -1; }
.input-action, .password-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px;
}
.primary-button, .secondary-button, .ghost-button, .icon-button, .link-button {
  border: 0;
  border-radius: 6px;
  padding: 10px 13px;
  cursor: pointer;
  font-weight: 750;
  white-space: nowrap;
}
.primary-button { background: var(--navy); color: #fff; }
.secondary-button { background: #fff; border: 1px solid #D0D5DD; color: var(--navy); }
.ghost-button { background: rgba(255, 255, 255, 0.08); color: #fff; border: 1px solid rgba(255,255,255,0.14); }
.icon-button { background: #F2F4F7; color: var(--navy); border: 1px solid #D0D5DD; padding: 9px 10px; }
.link-button { background: transparent; color: var(--danger); padding: 0; }
.full { width: 100%; }
.flash-stack {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
}
.flash {
  padding: 12px 14px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #fff;
}
.flash.success { border-color: #86EFAC; background: #F0FDF4; }
.flash.danger { border-color: #FCA5A5; background: #FEF2F2; }
.flash.warning { border-color: #FCD34D; background: #FFFBEB; }
.flash.info { border-color: #BAE6FD; background: #F0F9FF; }
.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: radial-gradient(circle at 20% 20%, #293548 0, #101828 42%, #0b1220 100%);
}
.login-card {
  width: min(100%, 420px);
  display: grid;
  gap: 16px;
  padding: 28px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}
.login-brand {
  display: flex;
  gap: 14px;
  align-items: center;
}
.login-brand h1 { margin: 0; }
.login-brand p { margin: 4px 0 0; color: var(--muted); }
.line-grid {
  display: grid;
  gap: 8px;
}
.line-grid-head, .line-row {
  display: grid;
  grid-template-columns: minmax(220px, 1.8fr) minmax(110px, 0.8fr) minmax(110px, 0.8fr) minmax(90px, 0.6fr) auto;
  gap: 8px;
  align-items: center;
}
.line-grid.transfer .line-grid-head, .line-grid.transfer .line-row {
  grid-template-columns: minmax(220px, 1fr) minmax(120px, 0.4fr) auto;
}
.line-grid.transfer .line-row.opening-line,
.line-grid.transfer .line-grid-head:has(+ .opening-line) {
  grid-template-columns: minmax(220px, 1fr) minmax(120px, 0.4fr) minmax(120px, 0.4fr) auto;
}
.line-grid-head {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}
.accordion-stack details > summary {
  cursor: pointer;
  font-weight: 800;
  margin-bottom: 14px;
}
.report-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 14px;
}
.report-card {
  display: grid;
  gap: 8px;
  padding: 16px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.report-card span, .muted-copy { color: var(--muted); }
.permission-box { border: 1px solid var(--border); padding: 12px; border-radius: 8px; }

@media (max-width: 980px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar {
    position: static;
    height: auto;
  }
  .nav { grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); }
  .grid.two, .form-grid, .form-grid.wide { grid-template-columns: 1fr; }
  .topbar { flex-direction: column; }
  .line-grid-head { display: none; }
  .line-row, .line-grid.transfer .line-row, .line-grid.transfer .line-row.opening-line {
    grid-template-columns: 1fr;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 8px;
  }
}