:root {
  --bg: #f4f6fb;
  --card: #ffffff;
  --border: #e2e6ee;
  --text: #1c2333;
  --text-muted: #6b7383;
  --primary: #3b5bdb;
  --primary-dark: #2f47ad;
  --danger: #c0392b;
  --danger-bg: #fdecea;
  --success: #2f9e44;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(20, 25, 40, 0.08), 0 1px 2px rgba(20, 25, 40, 0.06);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

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

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 12px 24px;
}

.topbar .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
}

.brand-logo {
  height: 28px;
  width: auto;
  display: block;
}

.login-logo {
  height: 40px;
  width: auto;
  display: block;
  margin-bottom: 16px;
}

.topbar nav {
  display: flex;
  gap: 16px;
  align-items: center;
}

.topbar nav a, .topbar nav button.linklike {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.topbar nav a.active { color: var(--primary); font-weight: 600; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin-bottom: 20px;
}

.card h2, .card h3 {
  margin-top: 0;
}

.grid {
  display: grid;
  gap: 16px;
}

.grid.cols-2 { grid-template-columns: 1fr 1fr; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 4px;
}

input, select, textarea {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  background: #fff;
  color: var(--text);
  font-family: inherit;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 91, 219, 0.15);
}

.field { margin-bottom: 14px; }

button {
  cursor: pointer;
  font-family: inherit;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
}

.btn:hover { background: #f0f2f8; }

.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-dark); }

.btn-danger {
  background: var(--danger-bg);
  border-color: #f3c7c2;
  color: var(--danger);
}

.btn-small { padding: 5px 10px; font-size: 12px; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th, td {
  text-align: left;
  padding: 9px 10px;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

tbody tr:hover { background: #f7f8fc; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: #eef1f8;
  color: var(--text);
}

.status-draft { background: #eef1f8; color: var(--text-muted); }
.status-submitted { background: #fff4e0; color: #a15c00; }
.status-approved { background: #e6f6ea; color: #1f7a34; }
.status-rejected { background: var(--danger-bg); color: var(--danger); }

.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.toolbar {
  display: flex;
  gap: 10px;
  align-items: flex-end;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.toolbar .field { margin-bottom: 0; min-width: 160px; }

.right { margin-left: auto; display: flex; gap: 10px; }

.muted { color: var(--text-muted); font-size: 13px; }

.error-banner {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid #f3c7c2;
  border-radius: 6px;
  padding: 10px 14px;
  margin-bottom: 16px;
  font-size: 14px;
  display: none;
}

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--text);
  color: #fff;
  padding: 12px 18px;
  border-radius: 8px;
  font-size: 14px;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.2s, transform 0.2s;
  pointer-events: none;
  z-index: 100;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.error { background: var(--danger); }

.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}

.tabs button {
  padding: 10px 16px;
  border: none;
  background: none;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
}

.tabs button.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.summary-row {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  min-width: 140px;
}

.stat .value { font-size: 22px; font-weight: 700; }
.stat .label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.03em; }

.progress-bar {
  height: 6px;
  border-radius: 3px;
  background: #eef1f8;
  overflow: hidden;
  margin-top: 4px;
}
.progress-bar > div { height: 100%; }

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-card {
  width: 360px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px;
}

.login-card h1 {
  font-size: 20px;
  margin: 0 0 4px;
}

.login-card p.muted { margin-top: 0; margin-bottom: 20px; }

.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(20, 25, 40, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
}

/* Can be opened on top of another already-open modal (e.g. the reject-note
   prompt opened from within the submission detail view) — DOM order alone
   isn't reliable here, so it needs a higher stacking order explicitly. */
#reject-modal {
  z-index: 60;
}

.modal {
  background: var(--card);
  border-radius: var(--radius);
  padding: 24px;
  width: 480px;
  max-width: 92vw;
  max-height: 88vh;
  overflow-y: auto;
  box-shadow: var(--shadow);
}

.modal h3 { margin-top: 0; }

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 18px;
}

.pill-toggle {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}
.pill-toggle button {
  border: none;
  background: #fff;
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
}
.pill-toggle button.active {
  background: var(--primary);
  color: #fff;
}

@media (max-width: 720px) {
  .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr; }
  .container { padding: 14px; }
}