/* ── Tabeeb Enterprise Design System — base.css ── */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root {
  /* Color Palette — Enterprise Clinical Healthcare */
  --primary:         #0d9488;       /* Teal 600 */
  --primary-hover:   #0f766e;       /* Teal 700 */
  --primary-active:  #115e59;       /* Teal 800 */
  --primary-subtle:  #f0fdfa;       /* Teal 50 */
  --primary-lt:      #ccfbf1;       /* Teal 100 */
  --primary-border:  #99f6e4;       /* Teal 200 */
  --primary-glow:    rgba(13, 148, 136, 0.2);

  --slate-950:       #020617;
  --slate-900:       #0f172a;
  --slate-850:       #131c31;
  --slate-800:       #1e293b;
  --slate-700:       #334155;
  --slate-600:       #475569;
  --slate-500:       #64748b;
  --slate-400:       #94a3b8;
  --slate-300:       #cbd5e1;
  --slate-200:       #e2e8f0;
  --slate-100:       #f1f5f9;
  --slate-50:        #f8fafc;

  --dark:            var(--slate-900);
  --dark-surface:    var(--slate-850);
  --light:           var(--slate-50);
  --surface:         #ffffff;
  --surface-hover:   #f8fafc;
  --border:          var(--slate-200);
  --border-subtle:   #edf2f7;

  --text-main:       var(--slate-900);
  --text-body:       var(--slate-700);
  --text-muted:      var(--slate-500);
  --text-sub:        var(--slate-400);

  /* Semantic Feedback Colors */
  --danger:          #ef4444;
  --danger-hover:    #dc2626;
  --danger-subtle:   #fef2f2;
  --danger-border:   #fecaca;
  --danger-text:     #b91c1c;

  --success:         #10b981;
  --success-hover:   #059669;
  --success-subtle:  #ecfdf5;
  --success-border:  #a7f3d0;
  --success-text:    #047857;

  --warning:         #f59e0b;
  --warning-hover:   #d97706;
  --warning-subtle:  #fffbeb;
  --warning-border:  #fde68a;
  --warning-text:    #b45309;

  --info:            #3b82f6;
  --info-subtle:     #eff6ff;
  --info-border:     #bfdbfe;
  --info-text:       #1d4ed8;

  /* Typography */
  --font:            'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono:       ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Spacing */
  --sp-xs: 4px;
  --sp-sm: 8px;
  --sp-md: 16px;
  --sp-lg: 24px;
  --sp-xl: 32px;
  --sp-2xl: 48px;

  /* Radii */
  --r-xs: 4px;
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-xl: 18px;
  --r-2xl: 24px;
  --r-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(15, 23, 42, 0.08), 0 1px 2px -1px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -2px rgba(15, 23, 42, 0.07);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.10), 0 8px 10px -6px rgba(15, 23, 42, 0.06);

  /* Transitions */
  --t: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --t-smooth: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 15px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--light);
  color: var(--text-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--t);
}

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

button {
  font-family: var(--font);
  cursor: pointer;
  border: none;
  outline: none;
  transition: all var(--t);
}

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--slate-300);
  border-radius: var(--r-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--slate-400);
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-main);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.25;
}

h1 { font-size: 1.6rem; font-weight: 800; }
h2 { font-size: 1.3rem; font-weight: 700; }
h3 { font-size: 1.05rem; font-weight: 700; }
h4 { font-size: 0.92rem; font-weight: 600; }

p {
  margin-bottom: 0.5rem;
}

/* Modern Card */
.card {
  background: var(--surface);
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
  transition: box-shadow var(--t-smooth), border-color var(--t-smooth), transform var(--t-smooth);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--r-md);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  white-space: nowrap;
  user-select: none;
  transition: all var(--t);
}

.btn-primary {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 1px 3px rgba(13, 148, 136, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.btn-primary:hover {
  background: var(--primary-hover);
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.35);
  transform: translateY(-1px);
}

.btn-primary:active {
  background: var(--primary-active);
  transform: translateY(0);
}

.btn-secondary {
  background: #ffffff;
  color: var(--slate-700);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-xs);
}

.btn-secondary:hover {
  background: var(--slate-50);
  color: var(--slate-900);
  border-color: var(--slate-300);
  box-shadow: var(--shadow-sm);
}

.btn-danger {
  background: var(--danger);
  color: #ffffff;
  box-shadow: 0 1px 3px rgba(239, 68, 68, 0.25);
}

.btn-danger:hover {
  background: var(--danger-hover);
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.35);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  padding: 7px 14px;
}

.btn-ghost:hover {
  background: var(--slate-100);
  color: var(--text-main);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.78rem;
  border-radius: var(--r-sm);
}

.btn-lg {
  padding: 11px 24px;
  font-size: 0.95rem;
  border-radius: var(--r-lg);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed !important;
  transform: none !important;
  box-shadow: none !important;
}

/* Badges / Status Pills */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: var(--r-full);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.4;
  border: 1px solid transparent;
}

.badge-green {
  background: var(--success-subtle);
  color: var(--success-text);
  border-color: var(--success-border);
}

.badge-teal {
  background: var(--primary-subtle);
  color: var(--primary-hover);
  border-color: var(--primary-border);
}

.badge-orange, .badge-yellow {
  background: var(--warning-subtle);
  color: var(--warning-text);
  border-color: var(--warning-border);
}

.badge-red {
  background: var(--danger-subtle);
  color: var(--danger-text);
  border-color: var(--danger-border);
}

.badge-blue {
  background: var(--info-subtle);
  color: var(--info-text);
  border-color: var(--info-border);
}

.badge-gray {
  background: var(--slate-100);
  color: var(--slate-600);
  border-color: var(--slate-200);
}

/* Status Indicator Dot */
.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  display: inline-block;
}

/* Form Controls */
.form-group {
  margin-bottom: 1.15rem;
}

.form-label {
  display: block;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--slate-700);
  margin-bottom: 0.4rem;
  letter-spacing: -0.01em;
}

.form-control {
  width: 100%;
  padding: 9px 13px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-md);
  font-family: var(--font);
  font-size: 0.88rem;
  color: var(--text-main);
  background: #ffffff;
  transition: border-color var(--t), box-shadow var(--t), background var(--t);
  outline: none;
}

.form-control:focus {
  border-color: var(--primary);
  background: #ffffff;
  box-shadow: 0 0 0 3.5px var(--primary-glow);
}

.form-control::placeholder {
  color: var(--slate-400);
}

.form-control.error {
  border-color: var(--danger);
}

.error-msg {
  font-size: 0.75rem;
  color: var(--danger-text);
  margin-top: 0.35rem;
  font-weight: 500;
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
  cursor: pointer;
}

textarea.form-control {
  resize: vertical;
  min-height: 85px;
  line-height: 1.55;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.form-row-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

@media(max-width: 640px) {
  .form-row, .form-row-3 {
    grid-template-columns: 1fr;
  }
}

/* Alerts */
.alert {
  padding: 12px 16px;
  border-radius: var(--r-md);
  font-size: 0.84rem;
  font-weight: 500;
  line-height: 1.5;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 1rem;
  border: 1px solid transparent;
}

.alert-error {
  background: var(--danger-subtle);
  color: var(--danger-text);
  border-color: var(--danger-border);
}

.alert-success {
  background: var(--success-subtle);
  color: var(--success-text);
  border-color: var(--success-border);
}

.alert-warning {
  background: var(--warning-subtle);
  color: var(--warning-text);
  border-color: var(--warning-border);
}

.alert-info {
  background: var(--info-subtle);
  color: var(--info-text);
  border-color: var(--info-border);
}

/* Tables */
.table-wrap {
  background: var(--surface);
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-xs);
  overflow: hidden;
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

thead {
  background: var(--slate-50);
  border-bottom: 1px solid var(--border);
}

th {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--slate-500);
  padding: 12px 16px;
}

td {
  padding: 13px 16px;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--slate-700);
  vertical-align: middle;
}

tbody tr {
  transition: background var(--t);
}

tbody tr:hover {
  background: var(--slate-50);
}

tbody tr:last-child td {
  border-bottom: none;
}

/* Stat Cards */
.stat-card {
  background: var(--surface);
  border-radius: var(--r-lg);
  padding: 1.35rem 1.5rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-xs);
  transition: all var(--t-smooth);
  position: relative;
  overflow: hidden;
}

.stat-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--slate-300);
}

.stat-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--slate-500);
  margin-bottom: 0.4rem;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.stat-sub {
  font-size: 0.76rem;
  color: var(--slate-500);
  margin-top: 0.35rem;
}

/* Tabs */
.tabs {
  display: flex;
  gap: 6px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}

.tab {
  padding: 10px 18px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--slate-500);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  cursor: pointer;
  transition: all var(--t);
}

.tab:hover:not(.active) {
  color: var(--slate-900);
  background: var(--slate-50);
}

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

.tab-panel {
  display: none;
  animation: fadeIn 0.2s ease;
}

.tab-panel.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Modals */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 1.2rem;
  animation: fadeIn 0.2s ease;
}

.modal-overlay.open {
  display: flex;
}

.modal {
  background: var(--surface);
  border-radius: var(--r-xl);
  padding: 1.8rem;
  max-width: 540px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border);
  position: relative;
  animation: modalPop 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPop {
  from { opacity: 0; transform: scale(0.96) translateY(8px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--border);
}

.modal-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
}

.modal-close {
  background: transparent;
  border: none;
  font-size: 1.2rem;
  color: var(--slate-400);
  width: 32px;
  height: 32px;
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--t);
  cursor: pointer;
}

.modal-close:hover {
  background: var(--slate-100);
  color: var(--slate-800);
}

.modal-footer {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 3.5rem 1.5rem;
  color: var(--slate-500);
}

.empty-state p {
  font-size: 0.9rem;
  color: var(--slate-500);
  margin: 0;
}

/* Loader & Skeleton */
.loader {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.65s linear infinite;
}

.loader-primary {
  border-color: rgba(13, 148, 136, 0.2);
  border-top-color: var(--primary);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.skeleton {
  background: linear-gradient(90deg, #f1f5f9 25%, #e2e8f0 50%, #f1f5f9 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: var(--r-md);
}

@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.divider {
  height: 1px;
  background: var(--border);
  margin: 1.4rem 0;
}

/* Search bar */
.search-bar {
  position: relative;
}

.search-bar input {
  padding-left: 14px;
}

@media(max-width: 768px) {
  .hide-mobile { display: none !important; }
  h1 { font-size: 1.35rem; }
}