:root {
  --c-primary: #0F4C5C;
  --c-primary-dark: #093A3E;
  --c-primary-light: #E5F0F1;
  --c-accent: #E2992F;
  --c-accent-light: #FBF0DD;
  --c-success: #2F9E6E;
  --c-success-light: #E4F5EE;
  --c-danger: #C0392B;
  --c-danger-light: #FBEAE8;
  --c-info: #2E7BA6;
  --c-info-light: #E6F1F7;
  --c-bg: #F3F7F7;
  --c-surface: #FFFFFF;
  --c-text: #14282B;
  --c-muted: #5B7278;
  --c-border: #DCE6E7;
  --font-ui: 'Public Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;
}

* { box-sizing: border-box; }

body {
  font-family: var(--font-ui);
  background: var(--c-bg);
  color: var(--c-text);
  margin: 0;
}

.mono { font-family: var(--font-mono); font-weight: 600; letter-spacing: -0.01em; }

a { color: var(--c-primary); }

/* ---------- Buttons ---------- */
.btn-primary {
  background: var(--c-primary);
  border-color: var(--c-primary);
}
.btn-primary:hover, .btn-primary:focus {
  background: var(--c-primary-dark);
  border-color: var(--c-primary-dark);
}
.btn-outline-primary { color: var(--c-primary); border-color: var(--c-primary); }
.btn-outline-primary:hover { background: var(--c-primary); border-color: var(--c-primary); }
.btn:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--c-primary);
  outline-offset: 2px;
}
.form-control:focus, .form-select:focus {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 0.2rem rgba(15, 76, 92, 0.15);
}

/* ---------- Auth screens ---------- */
.auth-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, var(--c-primary-dark) 0%, var(--c-primary) 55%, #146276 100%);
  padding: 24px;
}
.auth-card {
  background: var(--c-surface);
  border-radius: 16px;
  padding: 36px 32px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 24px 60px rgba(9, 58, 62, 0.35);
}
.auth-card-wide { max-width: 520px; }
.auth-brand { display: flex; align-items: center; gap: 14px; margin-bottom: 28px; }
.auth-brand-mark {
  width: 46px; height: 46px; border-radius: 12px;
  background: var(--c-primary-light); color: var(--c-primary);
  display: flex; align-items: center; justify-content: center; font-size: 22px;
}
.auth-brand-title { font-weight: 800; font-size: 17px; line-height: 1.2; }
.auth-brand-sub { font-size: 12px; color: var(--c-muted); }
.auth-footnote { font-size: 12px; color: var(--c-muted); text-align: center; margin: 18px 0 0; }

.branch-chooser-list { display: flex; flex-direction: column; gap: 10px; }
.branch-choice {
  display: flex; align-items: center; gap: 14px;
  border: 1px solid var(--c-border); border-radius: 12px; padding: 14px 16px;
  background: var(--c-surface); text-align: left; width: 100%; cursor: pointer;
  transition: border-color .15s, background .15s;
}
.branch-choice:hover { border-color: var(--c-primary); background: var(--c-primary-light); }
.branch-choice-code {
  width: 40px; height: 40px; border-radius: 10px; background: var(--c-primary-light); color: var(--c-primary);
  display: flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-weight: 700; font-size: 11px;
}

/* ---------- App shell ---------- */
.app-shell { display: flex; min-height: 100vh; }
.app-sidebar {
  width: 250px; flex-shrink: 0; background: var(--c-primary-dark); color: #fff;
  display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh;
}
.sidebar-brand {
  display: flex; align-items: center; gap: 10px; padding: 20px 20px 16px;
  font-weight: 800; font-size: 14.5px; border-bottom: 1px solid rgba(255,255,255,0.1);
}
.sidebar-brand i { font-size: 20px; color: var(--c-accent); }
.sidebar-nav { padding: 10px; overflow-y: auto; flex: 1; }
.sidebar-link {
  display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 8px;
  color: rgba(255,255,255,0.75); text-decoration: none; font-size: 13.5px; font-weight: 500; margin-bottom: 2px;
  transition: background .12s, color .12s;
}
.sidebar-link i { width: 18px; text-align: center; font-size: 15px; }
.sidebar-link:hover { background: rgba(255,255,255,0.08); color: #fff; }
.sidebar-link.active { background: var(--c-accent); color: #1e1305; font-weight: 700; }

.app-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.app-topbar {
  background: var(--c-surface); border-bottom: 1px solid var(--c-border);
  padding: 14px 28px; display: flex; align-items: center; justify-content: space-between;
  position: sticky; top: 0; z-index: 5;
}
.topbar-title { font-weight: 800; font-size: 18px; }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.topbar-branch {
  font-size: 12.5px; font-weight: 600; color: var(--c-primary); background: var(--c-primary-light);
  padding: 6px 12px; border-radius: 20px; display: flex; align-items: center; gap: 6px;
}
.topbar-user-name { font-size: 13px; font-weight: 700; line-height: 1.2; text-align: right; }
.topbar-user-role { font-size: 11px; color: var(--c-muted); text-align: right; }
.app-content { padding: 24px 28px 60px; }

/* ---------- Panels / Cards ---------- */
.panel { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: 12px; margin-bottom: 0; overflow: hidden; }
.panel-header { font-weight: 700; font-size: 14.5px; padding: 14px 18px; border-bottom: 1px solid var(--c-border); background: #FAFCFC; }
.panel-footer { padding: 12px 18px; border-top: 1px solid var(--c-border); background: #FAFCFC; font-size: 13.5px; }

.filter-bar { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: 12px; padding: 16px; }
.filter-bar .form-label { color: var(--c-muted); font-weight: 600; }

/* ---------- KPI cards ---------- */
.kpi-card { display: flex; align-items: center; gap: 14px; background: var(--c-surface); border: 1px solid var(--c-border); border-radius: 12px; padding: 16px; height: 100%; }
.kpi-icon { width: 42px; height: 42px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 19px; flex-shrink: 0; }
.kpi-label { font-size: 12px; color: var(--c-muted); font-weight: 600; margin-bottom: 2px; }
.kpi-value { font-size: 17px; font-weight: 700; }
.kpi-blue .kpi-icon { background: var(--c-info-light); color: var(--c-info); }
.kpi-amber .kpi-icon { background: var(--c-accent-light); color: var(--c-accent); }
.kpi-green .kpi-icon { background: var(--c-success-light); color: var(--c-success); }
.kpi-red .kpi-icon { background: var(--c-danger-light); color: var(--c-danger); }
.kpi-teal .kpi-icon { background: var(--c-primary-light); color: var(--c-primary); }

/* ---------- Tables ---------- */
.app-table { font-size: 13.5px; margin-bottom: 0; }
.app-table thead th { background: #FAFCFC; color: var(--c-muted); font-weight: 700; font-size: 11.5px; text-transform: uppercase; letter-spacing: .03em; border-bottom: 1px solid var(--c-border); white-space: nowrap; }
.app-table td { vertical-align: middle; border-color: var(--c-border); }
.app-table tbody tr:hover { background: #FAFDFD; }

/* ---------- Status badges ---------- */
.status-badge { font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 20px; display: inline-block; letter-spacing: .01em; }
.badge-draft { background: #EEF1F1; color: #55676A; }
.badge-submitted { background: var(--c-info-light); color: var(--c-info); }
.badge-verified { background: var(--c-success-light); color: var(--c-success); }
.badge-approved { background: var(--c-success-light); color: var(--c-success); }
.badge-rejected { background: var(--c-danger-light); color: var(--c-danger); }
.badge-paid { background: var(--c-primary-light); color: var(--c-primary); }
.badge-cancelled { background: #F1F1F1; color: #8A8A8A; text-decoration: line-through; }

/* ---------- Masters tabs ---------- */
#mastersTabs .nav-link { color: var(--c-muted); font-weight: 600; border: none; border-bottom: 2px solid transparent; }
#mastersTabs .nav-link.active { color: var(--c-primary); border-bottom-color: var(--c-primary); background: transparent; }

/* ---------- Branch checkbox grid ---------- */
.branch-checkbox-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 8px 16px; border: 1px solid var(--c-border); border-radius: 10px; padding: 14px; background: #FAFCFC; }

.stat-inline { background: #FAFCFC; border: 1px solid var(--c-border); border-radius: 8px; padding: 8px 12px; font-size: 13px; }

/* ---------- Toasts ---------- */
.toast-holder { position: fixed; top: 16px; right: 16px; z-index: 2000; display: flex; flex-direction: column; gap: 8px; }
.app-toast {
  background: var(--c-text); color: #fff; padding: 12px 18px; border-radius: 10px; font-size: 13.5px; font-weight: 600;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2); opacity: 0; transform: translateY(-8px); transition: opacity .25s, transform .25s;
  max-width: 340px;
}
.app-toast.show { opacity: 1; transform: translateY(0); }
.toast-danger { background: var(--c-danger); }
.toast-warn { background: var(--c-accent); color: #2b1c00; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .app-sidebar { position: fixed; left: -260px; z-index: 50; transition: left .2s; }
  .app-sidebar.open { left: 0; }
  .app-topbar { padding: 12px 16px; }
  .app-content { padding: 16px; }
  .topbar-user-name, .topbar-user-role { display: none; }
}