/* ============================================================
   Patient Management System — App Styles
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --primary:       #1a73e8;
  --primary-dark:  #0d47a1;
  --primary-light: #e8f0fe;
  --success:       #1e8a5e;
  --success-bg:    #d4edda;
  --danger:        #c0392b;
  --danger-bg:     #fdecea;
  --warning:       #856404;
  --warning-bg:    #fff3cd;
  --info:          #0a6ebd;
  --info-bg:       #cfe2ff;
  --muted:         #6c757d;
  --border:        #dee2e6;
  --bg:            #f0f4ff;
  --sidebar-w:     220px;
  --card-radius:   14px;
  --transition:    .18s ease;
}

*, *::before, *::after { box-sizing: border-box; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: #1a202c;
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
}

/* ── Sidebar ─────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: linear-gradient(160deg, #0d47a1 0%, #1a73e8 100%);
  position: fixed;
  top: 0; left: 0;
  display: flex;
  flex-direction: column;
  padding: 24px 16px;
  z-index: 100;
  box-shadow: 2px 0 16px rgba(13,71,161,.18);
}
.sidebar .brand {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -.3px;
  margin-bottom: 4px;
}
.sidebar .brand span { color: #a8c8ff; }
.sidebar .role-badge {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .08em;
  color: rgba(255,255,255,.55);
  text-transform: uppercase;
  margin-bottom: 24px;
}
.sidebar nav { flex: 1; }
.sidebar .nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,.75);
  text-decoration: none;
  padding: 9px 12px;
  border-radius: 9px;
  font-size: 13.5px;
  font-weight: 500;
  margin-bottom: 2px;
  transition: background var(--transition), color var(--transition);
}
.sidebar .nav-link:hover,
.sidebar .nav-link.active {
  background: rgba(255,255,255,.15);
  color: #fff;
}
.sidebar .nav-link i { font-size: 16px; }
.sidebar-footer { margin-top: 16px; }
.sidebar-footer .btn-logout {
  width: 100%;
  background: rgba(255,255,255,.12);
  border: none;
  color: rgba(255,255,255,.85);
  padding: 9px;
  border-radius: 9px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background var(--transition);
}
.sidebar-footer .btn-logout:hover { background: rgba(255,255,255,.22); }

/* ── Main area ───────────────────────────────────────────── */
.main-content {
  margin-left: var(--sidebar-w);
  padding: 32px 36px;
  min-height: 100vh;
}

/* ── Page header ─────────────────────────────────────────── */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
}
.page-header .eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 4px;
}
.page-header h1 {
  font-size: 26px;
  font-weight: 700;
  margin: 0;
  color: #0d1f3c;
}

/* ── Cards / Panels ──────────────────────────────────────── */
.panel {
  background: #fff;
  border-radius: var(--card-radius);
  padding: 24px;
  box-shadow: 0 1px 6px rgba(0,0,0,.06);
  margin-bottom: 24px;
}
.panel-title {
  font-size: 15px;
  font-weight: 600;
  color: #0d1f3c;
  margin: 0 0 16px;
}
.metric {
  background: #fff;
  border-radius: var(--card-radius);
  padding: 20px 22px;
  box-shadow: 0 1px 6px rgba(0,0,0,.06);
}
.metric .label { font-size: 12px; color: var(--muted); font-weight: 500; }
.metric strong { display: block; font-size: 28px; font-weight: 700; color: #0d1f3c; margin: 4px 0; }

/* ── Welcome banner ──────────────────────────────────────── */
.welcome {
  background: linear-gradient(135deg, #0d47a1 0%, #1a73e8 100%);
  border-radius: var(--card-radius);
  padding: 28px 32px;
  color: #fff;
  margin-bottom: 24px;
}
.welcome h2 { font-size: 20px; margin: 8px 0 4px; }
.welcome p { opacity: .8; margin: 0; }

/* ── Tables ──────────────────────────────────────────────── */
.table { width: 100%; border-collapse: collapse; }
.table th {
  padding: 10px 14px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 2px solid var(--border);
}
.table td {
  padding: 12px 14px;
  border-bottom: 1px solid #f0f4f8;
  vertical-align: middle;
}
.table tbody tr:hover { background: #f8faff; }
.table-responsive { overflow-x: auto; }

/* ── Status badges ───────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .03em;
}
.badge-pending       { background: var(--warning-bg); color: var(--warning); }
.badge-confirmed     { background: var(--info-bg);    color: var(--info); }
.badge-active        { background: var(--success-bg); color: var(--success); }
.badge-completed     { background: #e2e8f0;           color: #475569; }
.badge-cancelled     { background: var(--danger-bg);  color: var(--danger); }
.badge-in_queue      { background: #f3e8ff;           color: #7c3aed; }
.badge-in_consultation { background: #fef9c3;         color: #854d0e; }
.badge-waiting       { background: #fef9c3;           color: #854d0e; }
.badge-called        { background: var(--info-bg);    color: var(--info); }
.badge-verified      { background: var(--success-bg); color: var(--success); }
.badge-rejected      { background: var(--danger-bg);  color: var(--danger); }
.badge-submitted     { background: #e0f2fe;           color: #0369a1; }
.badge-unpaid        { background: var(--danger-bg);  color: var(--danger); }
.badge-paid          { background: var(--success-bg); color: var(--success); }
.badge-partial       { background: var(--warning-bg); color: var(--warning); }
.badge-not_required  { background: #f1f5f9;           color: #64748b; }

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  transition: opacity var(--transition), transform var(--transition), background var(--transition);
  text-decoration: none;
}
.btn:hover { opacity: .88; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary   { background: var(--primary);   color: #fff; }
.btn-success   { background: #1e8a5e;           color: #fff; }
.btn-danger    { background: var(--danger);     color: #fff; }
.btn-warning   { background: #e67e22;           color: #fff; }
.btn-secondary { background: #e2e8f0;           color: #475569; }
.btn-outline   { background: transparent; border: 1.5px solid var(--border); color: #475569; }
.btn-sm        { padding: 5px 10px; font-size: 12px; }
.btn-xs        { padding: 3px 8px;  font-size: 11px; border-radius: 6px; }

/* ── Forms ───────────────────────────────────────────────── */
.form-group { margin-bottom: 14px; }
.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: #374151;
  margin-bottom: 5px;
}
.form-control {
  width: 100%;
  padding: 9px 12px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 13.5px;
  font-family: inherit;
  color: #1a202c;
  background: #fff;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26,115,232,.12);
}
.form-row { display: grid; gap: 12px; }
.form-row.cols-2 { grid-template-columns: 1fr 1fr; }
.form-row.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
.form-hint { font-size: 11px; color: var(--muted); margin-top: 4px; }

/* ── Slot picker ─────────────────────────────────────────── */
.slot-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}
.slot-btn {
  padding: 6px 14px;
  border-radius: 8px;
  border: 1.5px solid var(--border);
  background: #fff;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  color: #374151;
}
.slot-btn:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
.slot-btn.selected { background: var(--primary); color: #fff; border-color: var(--primary); }
.slot-btn.disabled { background: #f1f5f9; color: #94a3b8; cursor: not-allowed; border-color: #e2e8f0; }

/* ── Line items builder ──────────────────────────────────── */
.line-item {
  display: grid;
  grid-template-columns: 1fr 90px 110px 36px;
  gap: 8px;
  align-items: center;
  margin-bottom: 8px;
}
.line-item .rm-btn {
  background: var(--danger-bg);
  color: var(--danger);
  border: none;
  border-radius: 6px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 15px;
  transition: background var(--transition);
}
.line-item .rm-btn:hover { background: #fca5a5; }
.billing-total {
  text-align: right;
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
  margin-top: 8px;
  padding-top: 10px;
  border-top: 1.5px solid var(--border);
}

/* ── File upload ─────────────────────────────────────────── */
.file-drop {
  border: 2px dashed var(--border);
  border-radius: 10px;
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  color: var(--muted);
}
.file-drop:hover { border-color: var(--primary); background: var(--primary-light); }
.file-drop i { font-size: 28px; display: block; margin-bottom: 8px; }
.file-drop input[type=file] { display: none; }
.file-chosen { font-size: 12px; color: var(--primary); margin-top: 6px; font-weight: 500; }

/* ── Modal ───────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(13,31,60,.45);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  animation: fadeIn .15s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal {
  background: #fff;
  border-radius: 16px;
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,.2);
  animation: slideUp .2s ease;
}
@keyframes slideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px 0;
}
.modal-header h2 { font-size: 18px; font-weight: 700; margin: 0; }
.modal-close {
  background: #f1f5f9;
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #475569;
  transition: background var(--transition);
}
.modal-close:hover { background: #e2e8f0; }
.modal-body { padding: 20px 24px; }
.modal-footer {
  padding: 0 24px 20px;
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

/* ── Alert boxes ─────────────────────────────────────────── */
.alert {
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.alert-danger  { background: var(--danger-bg);  color: var(--danger); }
.alert-success { background: var(--success-bg); color: var(--success); }
.alert-info    { background: var(--info-bg);    color: var(--info); }

/* ── Empty states ────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--muted);
}
.empty-state i { font-size: 40px; margin-bottom: 12px; display: block; opacity: .4; }
.empty-state p { font-size: 14px; margin: 0; }

/* ── Login / Register page ───────────────────────────────── */
.auth-wrap {
  min-height: 100vh;
  background: linear-gradient(135deg, #0d47a1 0%, #1a73e8 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.auth-card {
  background: #fff;
  border-radius: 20px;
  width: 100%;
  max-width: 460px;
  padding: 36px 36px 28px;
  box-shadow: 0 24px 64px rgba(0,0,0,.18);
}
.auth-logo { text-align: center; margin-bottom: 24px; }
.auth-logo .brand { font-size: 22px; font-weight: 800; color: #0d1f3c; }
.auth-logo .brand span { color: var(--primary); }
.auth-logo p { color: var(--muted); font-size: 13px; margin: 4px 0 0; }
.auth-tabs {
  display: flex;
  background: #f1f5f9;
  border-radius: 10px;
  padding: 4px;
  margin-bottom: 22px;
}
.auth-tab {
  flex: 1;
  text-align: center;
  padding: 8px;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  color: var(--muted);
  transition: all var(--transition);
  border: none;
  background: none;
}
.auth-tab.active { background: #fff; color: var(--primary); box-shadow: 0 1px 4px rgba(0,0,0,.08); }

/* ── Medical records ─────────────────────────────────────── */
.vitals-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
  background: #f8faff;
  border-radius: 10px;
  padding: 14px;
  margin-bottom: 14px;
}
.vital-item label { font-size: 10px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.vital-item .val { font-size: 18px; font-weight: 700; color: #0d1f3c; }

/* ── Print styles ────────────────────────────────────────── */
@media print {
  .sidebar, .page-header .btn, .modal-backdrop { display: none !important; }
  .main-content { margin-left: 0; padding: 0; }
  .panel { box-shadow: none; border: 1px solid #ddd; }
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 900px) {
  .sidebar { width: 60px; padding: 16px 8px; }
  .sidebar .brand, .sidebar .role-badge, .sidebar .nav-link span,
  .sidebar-footer .btn-logout span { display: none; }
  .sidebar .nav-link { justify-content: center; padding: 10px; }
  .main-content { margin-left: 60px; padding: 20px 16px; }
  .form-row.cols-2, .form-row.cols-3 { grid-template-columns: 1fr; }
  .line-item { grid-template-columns: 1fr 80px 90px 32px; }
}