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

/* ── Design Tokens ── */
:root {
  --brand: #0052CC;
  --brand-dark: #003D99;
  --brand-light: #E6F0FF;
  --accent: #FF5630;
  --accent-light: #FFEBE6;
  --success: #00875A;
  --success-light: #E3FCEF;
  --warning: #FF8B00;
  --warning-light: #FFFAE6;
  --danger: #DE350B;
  --danger-light: #FFEBE6;

  --bg: #F4F5F7;
  --surface: #FFFFFF;
  --surface-raised: #FFFFFF;
  --border: #DFE1E6;
  --border-strong: #B3BAC5;

  --text-primary: #172B4D;
  --text-secondary: #5E6C84;
  --text-tertiary: #97A0AF;
  --text-inverse: #FFFFFF;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;

  --shadow-sm: 0 1px 3px rgba(9,30,66,.12), 0 0 1px rgba(9,30,66,.08);
  --shadow-md: 0 3px 12px rgba(9,30,66,.13), 0 0 1px rgba(9,30,66,.10);
  --shadow-lg: 0 8px 32px rgba(9,30,66,.16), 0 0 1px rgba(9,30,66,.10);

  --font-display: 'Syne', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;

  --sidebar-w: 240px;
  --header-h: 60px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: var(--font-body); }
input, select, textarea { font-family: var(--font-body); }

/* ── Typography ── */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.2; color: var(--text-primary); }
h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.2rem; }
h4 { font-size: 1rem; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  border: none;
  transition: all 0.15s ease;
  white-space: nowrap;
  line-height: 1;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-dark); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-secondary { background: var(--surface); color: var(--text-primary); border: 1.5px solid var(--border); }
.btn-secondary:hover { background: var(--bg); border-color: var(--border-strong); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b02d09; }
.btn-success { background: var(--success); color: #fff; }
.btn-ghost { background: transparent; color: var(--brand); padding: 9px 12px; }
.btn-ghost:hover { background: var(--brand-light); }
.btn-sm { padding: 6px 12px; font-size: 0.8125rem; }
.btn-lg { padding: 13px 28px; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }

/* ── Form Elements ── */
.form-group { margin-bottom: 18px; }
.form-label { display: block; font-size: 0.875rem; font-weight: 600; color: var(--text-primary); margin-bottom: 6px; }
.form-label span.req { color: var(--danger); margin-left: 3px; }
.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  color: var(--text-primary);
  background: var(--surface);
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
}
.form-control:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(0,82,204,.12); }
.form-control::placeholder { color: var(--text-tertiary); }
.form-control.error { border-color: var(--danger); }
.form-error { font-size: 0.8125rem; color: var(--danger); margin-top: 4px; }
.form-hint { font-size: 0.8125rem; color: var(--text-secondary); margin-top: 4px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ── Cards ── */
.card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}
.card-header { padding: 20px 24px; border-bottom: 1px solid var(--border); }
.card-body { padding: 24px; }
.card-footer { padding: 16px 24px; border-top: 1px solid var(--border); background: var(--bg); border-radius: 0 0 var(--radius-lg) var(--radius-lg); }

/* ── Badges / Tags ── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-blue { background: var(--brand-light); color: var(--brand-dark); }
.badge-green { background: var(--success-light); color: var(--success); }
.badge-red { background: var(--danger-light); color: var(--danger); }
.badge-yellow { background: var(--warning-light); color: var(--warning); }
.badge-gray { background: var(--bg); color: var(--text-secondary); border: 1px solid var(--border); }

/* ── Table ── */
.table-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead th {
  padding: 11px 16px;
  text-align: left;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1.5px solid var(--border);
  background: var(--bg);
}
tbody td {
  padding: 13px 16px;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  vertical-align: middle;
}
tbody tr:hover { background: #F8F9FF; }
tbody tr:last-child td { border-bottom: none; }

/* ── Alert ── */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 16px;
}
.alert-success { background: var(--success-light); color: var(--success); border-left: 3px solid var(--success); }
.alert-danger { background: var(--danger-light); color: var(--danger); border-left: 3px solid var(--danger); }
.alert-info { background: var(--brand-light); color: var(--brand-dark); border-left: 3px solid var(--brand); }
.alert-warning { background: var(--warning-light); color: var(--warning); border-left: 3px solid var(--warning); }

/* ── Modal ── */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(9,30,66,0.55);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000; padding: 20px;
  animation: fadeIn 0.15s ease;
}
.modal {
  background: var(--surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  width: 100%; max-width: 520px;
  max-height: 90vh; overflow-y: auto;
  animation: slideUp 0.2s ease;
}
.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.modal-header h3 { margin: 0; }
.modal-close {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: none; background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary); font-size: 1.2rem;
  cursor: pointer; transition: background 0.15s;
}
.modal-close:hover { background: var(--border); }
.modal-body { padding: 24px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 10px; }

/* ── Utility ── */
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-muted { color: var(--text-secondary); }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.fw-600 { font-weight: 600; }

/* ── Spinner ── */
.spinner {
  width: 20px; height: 20px;
  border: 2.5px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: inline-block;
}

/* ── Loading overlay ── */
.loading-overlay {
  position: fixed; inset: 0;
  background: rgba(255,255,255,0.8);
  display: flex; align-items: center; justify-content: center;
  z-index: 999;
}

/* ── Animations ── */
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { transform: translateY(16px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
@keyframes fadeInUp { from { transform: translateY(12px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

/* ── Responsive ── */
@media (max-width: 768px) {
  .form-row { grid-template-columns: 1fr; }
}