/* ─── Reset & Base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #4f46e5;
  --primary-dark: #3730a3;
  --primary-light: #e0e7ff;
  --success: #10b981;
  --success-light: #d1fae5;
  --warning: #f59e0b;
  --warning-light: #fef3c7;
  --danger: #ef4444;
  --danger-light: #fee2e2;
  --info: #3b82f6;
  --info-light: #dbeafe;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --white: #ffffff;
  --sidebar-width: 260px;
  --header-height: 64px;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
  --shadow-lg: 0 10px 15px rgba(0,0,0,.1), 0 4px 6px rgba(0,0,0,.05);
  --transition: all .2s ease;
}

html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: 'Inter', system-ui, -apple-system, sans-serif; color: var(--gray-800); background: var(--gray-50); line-height: 1.5; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }
button { cursor: pointer; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ─── Layout Admin ──────────────────────────────────────────────────────────── */
.admin-layout { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-width);
  background: var(--white);
  border-right: 1px solid var(--gray-200);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  transition: transform .3s ease;
  overflow-y: auto;
}

.sidebar-header {
  padding: 20px;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 15px;
  color: var(--gray-900);
}

.sidebar-close { display: none; background: none; border: none; color: var(--gray-500); padding: 4px; }

.sidebar-nav { flex: 1; padding: 16px 12px; display: flex; flex-direction: column; gap: 2px; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius);
  color: var(--gray-600);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
}
.nav-item:hover { background: var(--gray-50); color: var(--gray-900); text-decoration: none; }
.nav-item.active { background: var(--primary-light); color: var(--primary); }
.nav-item svg { flex-shrink: 0; }

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px;
  flex-shrink: 0;
}

.user-details { flex: 1; min-width: 0; }
.user-name { display: block; font-size: 13px; font-weight: 600; color: var(--gray-800); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { display: block; font-size: 11px; color: var(--gray-500); }

.btn-logout {
  padding: 6px;
  border-radius: var(--radius);
  color: var(--gray-500);
  transition: var(--transition);
  display: flex; align-items: center;
}
.btn-logout:hover { background: var(--danger-light); color: var(--danger); text-decoration: none; }

.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.top-bar {
  height: var(--header-height);
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--gray-600);
  padding: 6px;
  border-radius: var(--radius);
}
.menu-toggle:hover { background: var(--gray-100); }

.top-bar-title { font-size: 18px; font-weight: 600; color: var(--gray-900); flex: 1; }
.top-bar-actions { display: flex; align-items: center; gap: 8px; }

.page-content { padding: 24px; flex: 1; }

.sidebar-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 99;
}

/* ─── Cards ─────────────────────────────────────────────────────────────────── */
.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}
.card-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-title { font-size: 16px; font-weight: 600; color: var(--gray-900); }
.card-body { padding: 24px; }
.card-footer { padding: 16px 24px; border-top: 1px solid var(--gray-100); background: var(--gray-50); border-radius: 0 0 var(--radius-lg) var(--radius-lg); }

/* ─── Stats Grid ─────────────────────────────────────────────────────────────── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 24px; }

.stat-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow);
}
.stat-card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.stat-card-label { font-size: 13px; font-weight: 500; color: var(--gray-500); }
.stat-card-icon { width: 40px; height: 40px; border-radius: 10px; display: flex; align-items: center; justify-content: center; }
.stat-card-value { font-size: 28px; font-weight: 700; color: var(--gray-900); }
.stat-card-sub { font-size: 12px; color: var(--gray-500); margin-top: 4px; }

.icon-primary { background: var(--primary-light); color: var(--primary); }
.icon-success { background: var(--success-light); color: var(--success); }
.icon-warning { background: var(--warning-light); color: var(--warning); }
.icon-danger { background: var(--danger-light); color: var(--danger); }
.icon-info { background: var(--info-light); color: var(--info); }

/* ─── Buttons ────────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 9px 16px;
  border-radius: var(--radius);
  font-size: 14px; font-weight: 500;
  border: 1px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}
.btn:hover { text-decoration: none; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); color: white; }
.btn-success { background: var(--success); color: white; }
.btn-success:hover { background: #059669; color: white; }
.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { background: #dc2626; color: white; }
.btn-warning { background: var(--warning); color: white; }
.btn-warning:hover { background: #d97706; color: white; }
.btn-outline { background: transparent; border-color: var(--gray-300); color: var(--gray-700); }
.btn-outline:hover { background: var(--gray-50); color: var(--gray-900); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--gray-600); }
.btn-ghost:hover { background: var(--gray-100); color: var(--gray-900); }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-lg { padding: 12px 24px; font-size: 16px; }
.btn-icon { padding: 8px; }

/* ─── Forms ──────────────────────────────────────────────────────────────────── */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 13px; font-weight: 500; color: var(--gray-700); margin-bottom: 6px; }
.form-label.required::after { content: ' *'; color: var(--danger); }

.form-control {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--gray-800);
  background: var(--white);
  transition: var(--transition);
  outline: none;
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(79,70,229,.1); }
.form-control::placeholder { color: var(--gray-400); }
.form-control:disabled { background: var(--gray-100); color: var(--gray-500); cursor: not-allowed; }

textarea.form-control { min-height: 100px; resize: vertical; }
select.form-control { cursor: pointer; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

.form-error { font-size: 12px; color: var(--danger); margin-top: 4px; }
.form-hint { font-size: 12px; color: var(--gray-500); margin-top: 4px; }

/* ─── Tables ─────────────────────────────────────────────────────────────────── */
.table-container { overflow-x: auto; }
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.table th {
  text-align: left;
  padding: 12px 16px;
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: .05em;
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
}
.table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--gray-100);
  color: var(--gray-700);
  vertical-align: middle;
}
.table tbody tr:hover { background: var(--gray-50); }
.table tbody tr:last-child td { border-bottom: none; }
.table-clickable tbody tr { cursor: pointer; }

/* ─── Badges ─────────────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 12px; font-weight: 500;
}
.badge-success { background: var(--success-light); color: #065f46; }
.badge-warning { background: var(--warning-light); color: #92400e; }
.badge-danger { background: var(--danger-light); color: #991b1b; }
.badge-info { background: var(--info-light); color: #1e40af; }
.badge-gray { background: var(--gray-100); color: var(--gray-600); }
.badge-primary { background: var(--primary-light); color: var(--primary-dark); }

/* ─── Modal ──────────────────────────────────────────────────────────────────── */
.modal-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 200;
  align-items: center; justify-content: center;
  padding: 16px;
}
.modal-overlay.active { display: flex; }
.modal {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%; max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  animation: modalIn .2s ease;
}
.modal-lg { max-width: 800px; }
.modal-xl { max-width: 1000px; }
@keyframes modalIn { from { opacity: 0; transform: scale(.95) translateY(-10px); } to { opacity: 1; transform: none; } }
.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--gray-100);
  display: flex; align-items: center; justify-content: space-between;
}
.modal-title { font-size: 17px; font-weight: 600; color: var(--gray-900); }
.modal-close {
  background: none; border: none;
  color: var(--gray-400); padding: 4px;
  border-radius: var(--radius);
  transition: var(--transition);
}
.modal-close:hover { background: var(--gray-100); color: var(--gray-700); }
.modal-body { padding: 24px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--gray-100); display: flex; justify-content: flex-end; gap: 8px; }

/* ─── Tabs ───────────────────────────────────────────────────────────────────── */
.tabs { border-bottom: 1px solid var(--gray-200); display: flex; gap: 0; margin-bottom: 24px; overflow-x: auto; }
.tab-btn {
  padding: 12px 20px;
  border: none; background: none;
  font-size: 14px; font-weight: 500;
  color: var(--gray-500);
  border-bottom: 2px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
  cursor: pointer;
}
.tab-btn:hover { color: var(--gray-800); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ─── Calendar ───────────────────────────────────────────────────────────────── */
.calendar-nav { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.calendar-nav h2 { font-size: 18px; font-weight: 600; color: var(--gray-900); }
.calendar-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 1px; background: var(--gray-200); border-radius: var(--radius); overflow: hidden; }
.calendar-header-cell { background: var(--gray-50); padding: 8px; text-align: center; font-size: 12px; font-weight: 600; color: var(--gray-500); text-transform: uppercase; }
.calendar-day {
  background: var(--white);
  padding: 8px;
  min-height: 80px;
  cursor: pointer;
  transition: var(--transition);
}
.calendar-day:hover { background: var(--gray-50); }
.calendar-day.today { background: var(--primary-light); }
.calendar-day.other-month { background: var(--gray-50); }
.calendar-day-num { font-size: 13px; font-weight: 500; color: var(--gray-700); margin-bottom: 4px; }
.calendar-day.today .calendar-day-num { color: var(--primary); font-weight: 700; }
.calendar-event {
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 4px;
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.calendar-event.scheduled { background: var(--info-light); color: #1e40af; }
.calendar-event.completed { background: var(--success-light); color: #065f46; }
.calendar-event.cancelled { background: var(--gray-100); color: var(--gray-500); }

/* Week view */
.week-grid { display: grid; grid-template-columns: 60px repeat(7, 1fr); border: 1px solid var(--gray-200); border-radius: var(--radius); overflow: hidden; }
.week-header { background: var(--gray-50); padding: 10px 8px; text-align: center; border-bottom: 1px solid var(--gray-200); font-size: 13px; font-weight: 600; }
.week-header.today-col { background: var(--primary-light); color: var(--primary); }
.week-time { padding: 8px 4px; text-align: right; font-size: 11px; color: var(--gray-400); border-right: 1px solid var(--gray-200); border-bottom: 1px solid var(--gray-100); }
.week-cell { border-right: 1px solid var(--gray-100); border-bottom: 1px solid var(--gray-100); min-height: 40px; padding: 2px; position: relative; }
.week-cell:last-child { border-right: none; }
.week-event {
  position: absolute; left: 2px; right: 2px;
  border-radius: 4px;
  padding: 2px 4px;
  font-size: 11px;
  overflow: hidden;
  cursor: pointer;
  z-index: 1;
}

/* ─── Search ─────────────────────────────────────────────────────────────────── */
.search-box { position: relative; }
.search-box input { padding-left: 36px; }
.search-box svg { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); color: var(--gray-400); pointer-events: none; }

/* ─── Empty State ────────────────────────────────────────────────────────────── */
.empty-state { text-align: center; padding: 48px 24px; color: var(--gray-500); }
.empty-state svg { margin: 0 auto 16px; color: var(--gray-300); }
.empty-state h3 { font-size: 16px; font-weight: 600; color: var(--gray-700); margin-bottom: 8px; }
.empty-state p { font-size: 14px; }

/* ─── Alert ──────────────────────────────────────────────────────────────────── */
.alert { padding: 12px 16px; border-radius: var(--radius); font-size: 14px; margin-bottom: 16px; display: flex; align-items: flex-start; gap: 10px; }
.alert-success { background: var(--success-light); color: #065f46; border: 1px solid #a7f3d0; }
.alert-danger { background: var(--danger-light); color: #991b1b; border: 1px solid #fca5a5; }
.alert-warning { background: var(--warning-light); color: #92400e; border: 1px solid #fcd34d; }
.alert-info { background: var(--info-light); color: #1e40af; border: 1px solid #93c5fd; }

/* ─── Patient Card ───────────────────────────────────────────────────────────── */
.patient-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 16px;
  flex-shrink: 0;
}
.patient-info { flex: 1; min-width: 0; }
.patient-name { font-weight: 600; color: var(--gray-900); font-size: 14px; }
.patient-meta { font-size: 12px; color: var(--gray-500); }

/* ─── Mood Selector ──────────────────────────────────────────────────────────── */
.mood-selector { display: flex; gap: 8px; flex-wrap: wrap; }
.mood-btn {
  padding: 6px 14px;
  border: 2px solid var(--gray-200);
  border-radius: 100px;
  font-size: 13px;
  background: none;
  cursor: pointer;
  transition: var(--transition);
}
.mood-btn:hover { border-color: var(--primary); }
.mood-btn.selected { border-color: var(--primary); background: var(--primary-light); color: var(--primary); }

/* ─── Login Page ─────────────────────────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 16px;
}
.login-card {
  background: white;
  border-radius: 16px;
  padding: 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 20px 60px rgba(0,0,0,.2);
}
.login-logo { text-align: center; margin-bottom: 32px; }
.login-logo h1 { font-size: 22px; font-weight: 700; color: var(--gray-900); margin-top: 12px; }
.login-logo p { font-size: 14px; color: var(--gray-500); margin-top: 4px; }

/* ─── Breadcrumb ─────────────────────────────────────────────────────────────── */
.breadcrumb { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--gray-500); margin-bottom: 20px; }
.breadcrumb a { color: var(--gray-500); }
.breadcrumb a:hover { color: var(--primary); text-decoration: none; }
.breadcrumb-sep { color: var(--gray-300); }
.breadcrumb-current { color: var(--gray-800); font-weight: 500; }

/* ─── Progress ───────────────────────────────────────────────────────────────── */
.progress-bar { height: 6px; background: var(--gray-200); border-radius: 100px; overflow: hidden; }
.progress-fill { height: 100%; border-radius: 100px; background: var(--primary); transition: width .3s ease; }

/* ─── Toast ──────────────────────────────────────────────────────────────────── */
#toast-container { position: fixed; bottom: 24px; right: 24px; z-index: 9999; display: flex; flex-direction: column; gap: 8px; }
.toast {
  padding: 12px 20px;
  border-radius: var(--radius);
  font-size: 14px; font-weight: 500;
  box-shadow: var(--shadow-lg);
  animation: toastIn .3s ease;
  max-width: 360px;
  display: flex; align-items: center; gap: 10px;
}
@keyframes toastIn { from { opacity: 0; transform: translateX(100%); } to { opacity: 1; transform: none; } }
.toast-success { background: #065f46; color: white; }
.toast-error { background: #991b1b; color: white; }
.toast-info { background: var(--primary); color: white; }

/* ─── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .sidebar-close { display: flex; }
  .sidebar-overlay.active { display: block; }
  .main-content { margin-left: 0; }
  .menu-toggle { display: flex; }
  .form-row, .form-row-3 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .page-content { padding: 16px; }
  .table th, .table td { padding: 10px 12px; }
  .calendar-grid { grid-template-columns: repeat(7, 1fr); }
  .calendar-day { min-height: 50px; padding: 4px; }
  .calendar-event { display: none; }
  .calendar-day-num { font-size: 12px; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .login-card { padding: 24px; }
}

/* ─── Utilities ──────────────────────────────────────────────────────────────── */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.text-sm { font-size: 13px; }
.text-xs { font-size: 12px; }
.text-muted { color: var(--gray-500); }
.text-right { text-align: right; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.w-full { width: 100%; }
.hidden { display: none !important; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
@media (max-width: 768px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }