/* ============================================================
   Dental Clinic - Design System CSS
   Matching clinical-atelier design language
   Primary: Teal #006565 | Font: Inter + Manrope
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Manrope:wght@600;700;800&display=swap');

/* ── CSS Variables (Light Mode) ────────────────────────────── */
:root {
  /* Brand Colors */
  --primary: #006565;
  --primary-dark: #004d4d;
  --primary-container: #008080;
  --secondary: #436464;
  --tertiary: #8b4823;
  --error: #ba1a1a;
  --success: #2e7d32;
  --warning: #e65100;

  /* Surfaces */
  --background: #f8f9fa;
  --surface: #ffffff;
  --surface-container-low: #f3f4f5;
  --surface-container: #edeeef;
  --surface-container-high: #e7e8e9;
  --surface-container-highest: #e1e3e4;

  /* Text */
  --on-surface: #191c1d;
  --on-surface-variant: #3e4949;
  --on-primary: #ffffff;

  /* Borders */
  --outline: #6e7979;
  --outline-variant: #bdc9c8;

  /* Typography */
  --font-sans: 'Inter', ui-sans-serif, system-ui, sans-serif;
  --font-headline: 'Manrope', sans-serif;

  /* Spacing */
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 24px;
  --radius-3xl: 28px;

  /* Shadows */
  --shadow-clinical: 0 8px 30px rgba(0, 101, 101, 0.06);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.10);
  --shadow-primary: 0 8px 24px rgba(0, 101, 101, 0.20);

  /* Sidebar */
  --sidebar-width: 256px;
  --topbar-height: 68px;
}

/* ── Dark Mode ───────────────────────────────────────────────── */
html.dark {
  --background: #0a0f0f;
  --surface: #141c1c;
  --surface-container-low: #1a2424;
  --surface-container: #1e2828;
  --surface-container-high: #222d2d;
  --surface-container-highest: #263232;
  --on-surface: #e0e3e3;
  --on-surface-variant: #8da4a4;
  --outline: #4d6363;
  --outline-variant: #2d4040;
  --primary-container: #007878;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background-color: var(--background);
  color: var(--on-surface);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Typography ─────────────────────────────────────────────── */
.font-headline { font-family: var(--font-headline); }
h1, h2, h3, .h1, .h2, .h3 { font-family: var(--font-headline); font-weight: 700; }

/* ── Layout Shell ───────────────────────────────────────────── */
.app-shell {
  display: flex;
  min-height: 100vh;
}

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

.page-content {
  flex: 1;
  padding: 2rem;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

/* ── Sidebar ─────────────────────────────────────────────────── */
.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--surface-container-low);
  border-right: 1px solid var(--outline-variant);
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform 0.3s ease;
}

.sidebar-logo {
  padding: 2rem 1.5rem 1.5rem;
}

.sidebar-logo h1 {
  color: var(--primary);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.sidebar-nav {
  flex: 1;
  padding: 0 1rem;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-xl);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--on-surface-variant);
  text-decoration: none;
  transition: all 0.2s ease;
  margin-bottom: 2px;
}

.sidebar-nav a:hover {
  background: var(--surface-container-high);
  color: var(--primary);
}

.sidebar-nav a.active {
  background: var(--primary);
  color: white;
  box-shadow: var(--shadow-primary);
}

.sidebar-nav a svg { width: 20px; height: 20px; flex-shrink: 0; }

.sidebar-user {
  padding: 1rem;
  margin-top: auto;
}

.sidebar-user-card {
  background: var(--surface-container-high);
  border-radius: var(--radius-2xl);
  padding: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.user-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-container));
  display: flex; align-items: center; justify-content: center;
  color: white; font-weight: 700; font-size: 0.875rem;
  flex-shrink: 0;
}

.user-info { flex: 1; min-width: 0; }
.user-info .name { font-weight: 700; font-size: 0.75rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-info .role { font-size: 0.625rem; font-weight: 700; color: var(--on-surface-variant); text-transform: uppercase; letter-spacing: 0.1em; }

/* ── Top Bar ─────────────────────────────────────────────────── */
.topbar {
  position: sticky; top: 0; z-index: 50;
  height: var(--topbar-height);
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--outline-variant);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  gap: 1rem;
}

html.dark .topbar {
  background: rgba(20, 28, 28, 0.90);
}

.topbar-search {
  position: relative;
  flex: 1;
  max-width: 400px;
}

.topbar-search svg {
  position: absolute;
  left: 12px; top: 50%;
  transform: translateY(-50%);
  color: var(--on-surface-variant);
  width: 16px; height: 16px;
}

.topbar-search input {
  width: 100%;
  padding: 0.5rem 1rem 0.5rem 2.5rem;
  background: var(--surface-container-high);
  border: none;
  border-radius: var(--radius-xl);
  font-size: 0.875rem;
  color: var(--on-surface);
  outline: none;
  transition: box-shadow 0.2s;
}

.topbar-search input:focus {
  box-shadow: 0 0 0 2px var(--primary);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.icon-btn {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  border: none; background: none;
  border-radius: var(--radius-lg);
  color: var(--on-surface-variant);
  cursor: pointer;
  transition: all 0.15s ease;
}

.icon-btn:hover {
  background: var(--surface-container-high);
  color: var(--primary);
}

.clinic-switcher-btn {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.375rem 0.875rem;
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-xl);
  background: none;
  color: var(--primary);
  font-weight: 600; font-size: 0.8125rem;
  cursor: pointer;
  transition: all 0.2s;
}

.clinic-switcher-btn:hover { background: var(--surface-container-low); }

.lang-btn {
  padding: 0.375rem 0.75rem;
  border: none; background: none;
  border-radius: var(--radius-lg);
  font-size: 0.75rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--on-surface-variant);
  cursor: pointer;
  transition: all 0.15s;
  display: flex; align-items: center; gap: 0.375rem;
}

.lang-btn:hover { background: var(--surface-container-high); color: var(--primary); }

/* ── Cards ───────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border-radius: var(--radius-3xl);
  border: 1px solid var(--outline-variant);
  box-shadow: var(--shadow-clinical);
}

.card-padding { padding: 1.5rem; }

.kpi-card {
  background: var(--surface);
  border-radius: var(--radius-3xl);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--outline-variant);
  box-shadow: var(--shadow-clinical);
}

.kpi-card-accent {
  position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
}

.kpi-label {
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--on-surface-variant);
  margin-bottom: 0.375rem;
}

.kpi-value {
  font-family: var(--font-headline);
  font-size: 1.875rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--on-surface);
  line-height: 1;
}

.kpi-trend {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary);
  margin-left: 0.5rem;
}

.kpi-sub {
  font-size: 0.75rem;
  color: var(--on-surface-variant);
  margin-top: 0.5rem;
}

/* ── Tables ──────────────────────────────────────────────────── */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  padding: 1rem 1.5rem;
  text-align: left;
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--on-surface-variant);
  background: var(--surface-container-low);
}

.data-table td {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--outline-variant);
  font-size: 0.875rem;
}

.data-table tr:hover td {
  background: var(--surface-container-low);
}

/* ── Status Badges ───────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.badge-primary { background: rgba(0,101,101,0.1); color: var(--primary); }
.badge-success { background: rgba(46,125,50,0.1); color: var(--success); }
.badge-error { background: rgba(186,26,26,0.1); color: var(--error); }
.badge-warning { background: rgba(139,72,35,0.1); color: var(--tertiary); }
.badge-neutral { background: var(--surface-container-high); color: var(--on-surface-variant); }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-xl);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-container) 100%);
  color: white;
  box-shadow: var(--shadow-primary);
}

.btn-primary:hover { filter: brightness(1.08); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-xl);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid var(--outline-variant);
  background: transparent;
  color: var(--on-surface);
  transition: all 0.15s;
  font-family: var(--font-sans);
}
.btn-secondary:hover { background: var(--surface-container-low); border-color: var(--on-surface-variant); }

.btn-ghost {
  background: transparent;
  color: var(--primary);
}

.btn-ghost:hover { background: rgba(0,101,101,0.08); }

.btn-danger {
  background: rgba(186,26,26,0.1);
  color: var(--error);
}

.btn-danger:hover { background: rgba(186,26,26,0.2); }

.btn-sm { padding: 0.4rem 0.875rem; font-size: 0.8125rem; }
.btn-icon { padding: 0.5rem; border-radius: var(--radius-lg); }

/* ── Forms ───────────────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 0.5rem; }

.form-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--on-surface);
  letter-spacing: 0.01em;
  display: block;
}

.form-control {
  padding: 0.625rem 0.875rem;
  background: var(--surface-container-low);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  color: var(--on-surface);
  font-family: var(--font-sans);
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
  width: 100%;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,101,101,0.12);
}

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

/* ── Tabs ────────────────────────────────────────────────────── */
.tabs {
  display: flex;
  align-items: center;
  gap: 2rem;
  border-bottom: 1px solid var(--outline-variant);
  overflow-x: auto;
}

.tab-btn {
  padding-bottom: 0.75rem;
  font-weight: 700;
  font-size: 0.875rem;
  border: none;
  background: none;
  cursor: pointer;
  color: var(--on-surface-variant);
  position: relative;
  white-space: nowrap;
  transition: color 0.15s;
}

.tab-btn:hover { color: var(--primary); }

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

.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0; right: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px 2px 0 0;
}

/* ── Toast Notifications ────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1.25rem;
  background: var(--surface);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
  min-width: 280px;
  max-width: 420px;
  border-left: 4px solid var(--primary);
  animation: slideInRight 0.3s ease;
  font-size: 0.875rem;
  font-weight: 500;
}

.toast-success { border-left-color: var(--success); }
.toast-error { border-left-color: var(--error); }
.toast-warning { border-left-color: var(--tertiary); }

@keyframes slideInRight {
  from { transform: translateX(120%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ── Modal / Dialog (legacy) ─────────────────────────────────── */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.48);
  backdrop-filter: blur(6px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  animation: fadeIn 0.18s ease;
}

.modal {
  background: var(--surface);
  border-radius: var(--radius-3xl);
  box-shadow: 0 24px 64px rgba(0,0,0,0.22);
  padding: 0;
  min-width: 400px;
  max-width: 600px;
  width: 100%;
  animation: scaleIn 0.2s ease;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes scaleIn { from { transform: scale(0.96); opacity: 0; } to { transform: scale(1); opacity: 1; } }

/* ── Patient Header ──────────────────────────────────────────── */
.patient-header {
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(20px);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-3xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-clinical);
  border: 1px solid var(--outline-variant);
}

html.dark .patient-header { background: rgba(20,28,28,0.85); }

.patient-avatar {
  width: 56px; height: 56px;
  border-radius: 50%;
  border: 2px solid var(--primary-container);
  object-fit: cover;
  flex-shrink: 0;
}

.patient-avatar-wrap {
  position: relative;
  width: 64px; height: 64px;
  border-radius: 50%;
  flex-shrink: 0;
  cursor: pointer;
  display: block;
}

.patient-avatar-placeholder {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-container));
  display: flex; align-items: center; justify-content: center;
  color: white; font-weight: 700; font-size: 1.25rem;
  flex-shrink: 0;
}

.patient-avatar-photo {
  width: 64px; height: 64px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  border: 2px solid var(--primary-container);
}

.patient-avatar-overlay {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: rgba(0,0,0,0.45);
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  transition: opacity 0.18s;
}
.patient-avatar-wrap:hover .patient-avatar-overlay { opacity: 1; }

.medical-alert-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.75rem;
  background: rgba(186,26,26,0.1);
  color: var(--error);
  border-radius: var(--radius-xl);
  font-size: 0.75rem;
  font-weight: 600;
}

/* ── Odontogram ──────────────────────────────────────────────── */
.odontogram-container {
  background: var(--surface);
  border-radius: var(--radius-3xl);
  padding: 2rem;
  box-shadow: var(--shadow-clinical);
  border: 1px solid var(--outline-variant);
  position: relative;
  min-height: 320px;
}

.odontogram-arch {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 3px;
  padding: 0 1rem;
}

.tooth-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  transition: transform 0.15s ease;
}

.tooth-wrapper:hover { transform: scale(1.12); }
.tooth-wrapper.selected { transform: scale(1.12); }

.tooth-number {
  font-size: 9px;
  font-weight: 700;
  color: var(--on-surface-variant);
  transition: color 0.15s;
  user-select: none;
}

.tooth-wrapper.selected .tooth-number { color: var(--primary); }
.tooth-wrapper:hover .tooth-number { color: var(--primary); }

.odontogram-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--on-surface-variant);
}

.legend-dot {
  width: 10px; height: 10px;
  border-radius: 2px;
  flex-shrink: 0;
}

/* Tooth SVG surface colors */
.surface-healthy { fill: var(--surface-container-low); }
.surface-caries { fill: #ba1a1a; }
.surface-restoration { fill: #008080; }
.surface-crown { fill: #aacdcc; }
.surface-endo { fill: #8b4823; }
.surface-implant { fill: #4a90d9; }
.surface-missing { fill: transparent; }
.surface-extracted { fill: #f3f4f5; }
.surface-planned { fill: #f59e0b; }
.surface-completed { fill: #16a34a; }
.surface-observation { fill: #7c3aed; }
.surface-bridge { fill: #0e7490; }
.surface-sealant { fill: #eab308; }
.surface-fracture { fill: #dc2626; }
.surface-veneer { fill: #c084fc; }

.tooth-stroke { stroke: var(--outline-variant); stroke-width: 1; }
.tooth-stroke-active { stroke: var(--primary); stroke-width: 2; }
.tooth-stroke-caries { stroke: #ba1a1a; stroke-width: 1.5; }
.tooth-stroke-restoration { stroke: #004f4f; stroke-width: 1.5; }

/* ── Timeline ────────────────────────────────────────────────── */
.timeline {
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px; top: 0; bottom: 0;
  width: 1px;
  background: var(--outline-variant);
}

.timeline-item {
  position: relative;
  padding-left: 2rem;
  padding-bottom: 1.5rem;
}

.timeline-dot {
  position: absolute;
  left: 3px; top: 4px;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,101,101,0.15);
}

.timeline-dot.inactive { background: var(--outline-variant); box-shadow: none; }

/* ── Grids ───────────────────────────────────────────────────── */
.grid-kpi { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.5rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-12 { display: grid; grid-template-columns: repeat(12, 1fr); gap: 1.5rem; }

.col-8 { grid-column: span 8; }
.col-4 { grid-column: span 4; }
.col-7 { grid-column: span 7; }
.col-5 { grid-column: span 5; }

/* ── Utilities ───────────────────────────────────────────────── */
.text-primary           { color: var(--primary); }
.text-secondary         { color: var(--secondary); }
.text-tertiary          { color: var(--tertiary); }
.text-error             { color: var(--error); }
.text-success           { color: var(--success); }
.text-warning           { color: var(--warning); }
.text-muted             { color: var(--on-surface-variant); }
.text-on-surface        { color: var(--on-surface); }
.text-on-surface-variant{ color: var(--on-surface-variant); }
.text-on-primary        { color: var(--on-primary); }
.text-small { font-size: 0.75rem; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.bg-primary        { background: var(--primary); }
.bg-success        { background: var(--success); }
.bg-error          { background: var(--error); }
/* opacity variants — Tailwind-style /N aliases */
.bg-primary\/10,  .bg-primary-10  { background: rgba(0,101,101,0.1); }
.bg-secondary\/10,.bg-secondary-10{ background: rgba(56,72,140,0.1); }
.bg-tertiary\/10, .bg-tertiary-10 { background: rgba(139,72,35,0.1); }
.bg-success\/10,  .bg-success-10  { background: rgba(46,125,50,0.1); }
.bg-error\/5,     .bg-error-5     { background: rgba(186,26,26,0.05); }
.bg-error\/10,    .bg-error-10    { background: rgba(176,0,32,0.1); }
.border-error\/20, .border-error-20 { border-color: rgba(186,26,26,0.2); }
.border-error\/30, .border-error-30 { border-color: rgba(186,26,26,0.3); }
.border-success\/20,.border-success-20 { border-color: rgba(46,125,50,0.2); }
.text-success-icon { background: rgba(46,125,50,0.1); color: var(--success); }
.text-error-icon   { background: rgba(176,0,32,0.1); color: var(--error); }

.bg-primary-soft   { background: rgba(0,101,101,0.08); }
.bg-secondary-soft { background: rgba(56,72,140,0.08); }
.bg-error-soft     { background: rgba(186,26,26,0.08); }
.bg-tertiary-soft  { background: rgba(139,72,35,0.08); }
.bg-success-soft   { background: rgba(46,125,50,0.08); }
.bg-surface-container-high { background: var(--surface-container-high); }
.bg-surface-container-low  { background: var(--surface-container-low); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.justify-center { justify-content: center; }
.justify-content-center { justify-content: center; }
.justify-start { justify-content: flex-start; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }

/* Spacing */
.p-4 { padding: 1rem; }
.p-5 { padding: 1.25rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.py-10 { padding-top: 2.5rem; padding-bottom: 2.5rem; }
.pt-4 { padding-top: 1rem; }
.pb-4 { padding-bottom: 1rem; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mr-2 { margin-right: 0.5rem; }
.ml-2 { margin-left: 0.5rem; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Sizing */
.w-3  { width: 0.75rem; }
.w-4  { width: 1rem; }
.w-6  { width: 1.5rem; }
.w-8  { width: 2rem; }
.w-10 { width: 2.5rem; }
.w-12 { width: 3rem; }
.w-20 { width: 5rem; }
.w-24 { width: 6rem; }
.w-32 { width: 8rem; }
.w-36 { width: 9rem; }
.w-full { width: 100%; }
.h-3  { height: 0.75rem; }
.h-4  { height: 1rem; }
.h-6  { height: 1.5rem; }
.h-8  { height: 2rem; }
.h-10 { height: 2.5rem; }
.h-12 { height: 3rem; }
.h-full { height: 100%; }
.min-w-0 { min-width: 0; }
.shrink-0 { flex-shrink: 0; }
.flex-1 { flex: 1; }

/* Border radius */
.rounded-sm  { border-radius: 4px; }
.rounded     { border-radius: 6px; }
.rounded-lg  { border-radius: 10px; }
.rounded-xl  { border-radius: 14px; }
.rounded-2xl { border-radius: 18px; }
.rounded-full { border-radius: 9999px; }

/* Typography */
.text-xs   { font-size: 0.75rem; line-height: 1.4; }
.text-sm   { font-size: 0.875rem; line-height: 1.4; }
.text-base { font-size: 1rem; line-height: 1.5; }
.text-lg   { font-size: 1.125rem; line-height: 1.4; }
.text-2xl  { font-size: 1.5rem; line-height: 1.25; }
.font-medium { font-weight: 500; }
.tracking-wider { letter-spacing: 0.075em; }
.uppercase { text-transform: uppercase; }
.whitespace-nowrap { white-space: nowrap; }
.leading-none { line-height: 1; }

/* Borders */
.border           { border: 1px solid var(--outline-variant); }
.border-t         { border-top: 1px solid var(--outline-variant); }
.border-b         { border-bottom: 1px solid var(--outline-variant); }
.border-outline   { border-color: var(--outline); }
.border-outline-variant { border-color: var(--outline-variant); }

/* Misc */
.overflow-hidden { overflow: hidden; }
.overflow-auto   { overflow: auto; }
.relative        { position: relative; }
.absolute        { position: absolute; }
.truncate { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.transition-colors { transition: color 0.15s, background-color 0.15s, border-color 0.15s; }
.cursor-pointer { cursor: pointer; }
.select-none { user-select: none; }
.opacity-50 { opacity: 0.5; }
/* hover utilities (since we don't have a Tailwind JIT) */
.hover\:bg-surface-container-low:hover { background: var(--surface-container-low); }
.hover\:bg-primary\/10:hover           { background: rgba(0,101,101,0.1); }

/* Stacks */
.space-y-1 > * + * { margin-top: 0.25rem; }
.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-3 > * + * { margin-top: 0.75rem; }
.space-y-4 > * + * { margin-top: 1rem; }
.space-y-6 > * + * { margin-top: 1.5rem; }
.space-y-8 > * + * { margin-top: 2rem; }
.divide-y > * + * { border-top: 1px solid var(--outline-variant); }

/* ── Loading States ──────────────────────────────────────────── */
.loading-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  background: var(--background);
}

.loading-spinner {
  width: 48px; height: 48px;
  border: 3px solid var(--outline-variant);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

.skeleton {
  background: linear-gradient(90deg, var(--surface-container-low) 25%, var(--surface-container-high) 50%, var(--surface-container-low) 75%);
  background-size: 400% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: var(--radius);
}

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

/* ── Login Page ─────────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #f0f9f9 0%, #e6f4f4 50%, #f8f9fa 100%);
  padding: 1rem;
}

html.dark .login-page {
  background: linear-gradient(135deg, #0a1515 0%, #0d1c1c 50%, #0a0f0f 100%);
}

.login-card {
  background: var(--surface);
  border-radius: var(--radius-3xl);
  padding: 3rem;
  width: 100%;
  max-width: 440px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--outline-variant);
}

.login-logo { text-align: center; margin-bottom: 2rem; }
.login-logo .logo-icon {
  width: 64px; height: 64px;
  background: linear-gradient(135deg, var(--primary), var(--primary-container));
  border-radius: var(--radius-2xl);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1rem;
  box-shadow: var(--shadow-primary);
}

.login-logo h1 { color: var(--primary); font-size: 1.5rem; margin-bottom: 0.25rem; }
.login-logo p { color: var(--on-surface-variant); font-size: 0.875rem; }

/* ── Finance Charts (SVG-based) ─────────────────────────────── */
.revenue-chart {
  height: 180px;
  display: flex;
  align-items: flex-end;
  gap: 4px;
  padding: 0 0.5rem;
}

.bar-group {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.bar {
  width: 100%;
  background: var(--primary);
  border-radius: 4px 4px 0 0;
  opacity: 0.8;
  transition: opacity 0.15s;
}

.bar:hover { opacity: 1; }
.bar-collected { background: var(--primary-container); opacity: 0.6; }
.bar-label { font-size: 9px; color: var(--on-surface-variant); font-weight: 700; }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .col-8 { grid-column: span 12; }
  .col-4 { grid-column: span 12; }
  .col-7 { grid-column: span 12; }
  .col-5 { grid-column: span 12; }
}

@media (max-width: 768px) {
  :root { --sidebar-width: 0px; }
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .page-content { padding: 1rem; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .grid-kpi { grid-template-columns: 1fr 1fr; }
  .modal { min-width: unset; }
  .odontogram-arch { gap: 1px; }
}

/* ── Scrollbar Styling ──────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--outline-variant); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--outline); }

/* ── No scrollbar utility ──────────────────────────────────── */
.no-scrollbar::-webkit-scrollbar { display: none; }
.no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }

/* ── Print styles ───────────────────────────────────────────── */
@media print {
  .sidebar, .topbar, .toast-container, .btn { display: none !important; }
  .main-content { margin-left: 0; }
}

/* ── Page Wrapper / Header ──────────────────────────────────── */
.page-wrapper {
  padding: 1.5rem;
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.page-title {
  font-family: var(--font-headline);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--primary);
}

.icon-lg { font-size: 2rem; }

/* ── KPI Card Variants ──────────────────────────────────────── */
.kpi-primary  { border-left: 4px solid var(--primary); }
.kpi-success  { border-left: 4px solid var(--success); }
.kpi-warning  { border-left: 4px solid var(--tertiary); }
.kpi-error    { border-left: 4px solid var(--error); }
.kpi-neutral  { border-left: 4px solid var(--outline-variant); }

/* ── Card header/footer ─────────────────────────────────────── */
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--outline-variant);
  flex-wrap: wrap;
  gap: 0.75rem;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0.875rem 1.5rem;
  border-top: 1px solid var(--outline-variant);
  gap: 0.75rem;
}

/* ── Data table wrapper ─────────────────────────────────────── */
.data-table-wrapper { overflow-x: auto; }

/* ── Tabs bar ───────────────────────────────────────────────── */
.tabs-bar {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  border-bottom: 1px solid var(--outline-variant);
  overflow-x: auto;
}

.tab-active {
  color: var(--primary) !important;
}

/* ── Form utilities ─────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 0.5rem; }

.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--on-surface);
  letter-spacing: 0.01em;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.6875rem 1rem;
  background: var(--surface-container-low);
  border: 1.5px solid var(--outline-variant);
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  color: var(--on-surface);
  font-family: var(--font-sans);
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
  line-height: 1.4;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,101,101,0.12);
  background: var(--surface);
}

.form-input:hover:not(:focus), .form-select:hover:not(:focus), .form-textarea:hover:not(:focus) {
  border-color: var(--on-surface-variant);
}

.form-input.input-error { border-color: var(--error); }
.form-error { font-size: 0.75rem; color: var(--error); }
.form-hint { font-size: 0.75rem; color: var(--on-surface-variant); }

/* ── Modal ──────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.48);
  backdrop-filter: blur(6px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  animation: fadeIn 0.18s ease;
}

.modal-box {
  background: var(--surface);
  border-radius: var(--radius-3xl);
  box-shadow: 0 24px 64px rgba(0,0,0,0.22), 0 4px 16px rgba(0,0,0,0.1);
  width: 100%;
  max-width: 540px;
  max-height: 92vh;
  overflow: hidden;
  animation: scaleIn 0.2s ease;
  display: flex;
  flex-direction: column;
}

.modal-lg { max-width: 780px; }
.modal-xl { max-width: 980px; }

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 1.75rem 1.25rem;
  border-bottom: 1px solid var(--outline-variant);
  flex-shrink: 0;
}

.modal-title {
  font-family: var(--font-headline);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--on-surface);
  line-height: 1.3;
}

.modal-body {
  padding: 1.75rem;
  flex: 1;
  overflow-y: auto;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
  padding: 1.25rem 1.75rem;
  border-top: 1px solid var(--outline-variant);
  flex-shrink: 0;
  flex-wrap: wrap;
}

.modal-close {
  flex-shrink: 0;
  background: var(--surface-container-low);
  border: none;
  cursor: pointer;
  color: var(--on-surface-variant);
  font-size: 1rem;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background 0.15s, color 0.15s;
  margin-top: 0.1rem;
}
.modal-close:hover {
  background: var(--surface-container-high);
  color: var(--on-surface);
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn-primary, .btn-ghost, .btn-error, .btn-success {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-xl);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.15s ease;
  white-space: nowrap;
  font-family: var(--font-sans);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-container) 100%);
  color: white;
  box-shadow: 0 4px 14px rgba(0,101,101,0.25);
}
.btn-primary:hover { filter: brightness(1.08); }
.btn-primary:disabled { opacity: 0.55; cursor: not-allowed; filter: none; }

.btn-ghost { background: transparent; color: var(--primary); }
.btn-ghost:hover { background: rgba(0,101,101,0.08); }
.btn-ghost:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-error { background: rgba(186,26,26,0.1); color: var(--error); }
.btn-error:hover { background: rgba(186,26,26,0.2); }

.btn-success { background: rgba(46,125,50,0.1); color: var(--success); }
.btn-success:hover { background: rgba(46,125,50,0.2); }

.btn-sm { padding: 0.375rem 0.75rem; font-size: 0.8125rem; }

.btn-icon {
  background: none; border: none; cursor: pointer;
  padding: 0.375rem; border-radius: var(--radius);
  color: var(--on-surface-variant);
  transition: all 0.15s;
  display: inline-flex; align-items: center; justify-content: center;
}
.btn-icon:hover { background: var(--surface-container-high); color: var(--primary); }

.btn-icon-sm {
  background: none; border: none; cursor: pointer;
  padding: 0.25rem; border-radius: 6px;
  color: var(--on-surface-variant);
  transition: all 0.15s;
  display: inline-flex; align-items: center;
}
.btn-icon-sm:hover { color: var(--primary); }

.w-full { width: 100%; justify-content: center; }

/* ── Spinner ────────────────────────────────────────────────── */
.spinner-sm {
  width: 14px; height: 14px;
  border: 2px solid rgba(255,255,255,0.35);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

/* ── Search box ─────────────────────────────────────────────── */
.search-box {
  position: relative;
  display: flex;
  align-items: center;
}
.search-icon {
  position: absolute; left: 0.75rem;
  font-size: 1.125rem;
  color: var(--on-surface-variant);
  pointer-events: none;
}
.search-input {
  width: 100%;
  padding: 0.625rem 1rem 0.625rem 2.5rem;
  background: var(--surface-container-high);
  border: none;
  border-radius: var(--radius-xl);
  font-size: 0.875rem;
  color: var(--on-surface);
  outline: none;
  transition: box-shadow 0.2s;
}
.search-input:focus { box-shadow: 0 0 0 2px var(--primary); }

/* ── Odontogram wrapper / toolbar ───────────────────────────── */
.odontogram-wrapper {
  background: var(--surface);
  border-radius: var(--radius-3xl);
  border: 1px solid var(--outline-variant);
  box-shadow: var(--shadow-clinical);
  overflow: visible;
}

.odo-toggle-group { display: flex; gap: 0.25rem; }

.odo-toggle {
  padding: 0.375rem 0.875rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--outline-variant);
  background: none;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--on-surface-variant);
  cursor: pointer;
  transition: all 0.15s;
}

.odo-toggle:hover { border-color: var(--primary); color: var(--primary); }
.odo-toggle.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
  box-shadow: 0 2px 8px rgba(0,101,101,0.25);
}

.odo-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  flex: 1;
}

.odo-legend-item {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--on-surface-variant);
}

.odo-legend-dot {
  width: 10px; height: 10px;
  border-radius: 3px;
  flex-shrink: 0;
}


.odo-brush-btn {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.3rem 0.625rem;
  border-radius: var(--radius-xl);
  border: 2px solid transparent;
  background: var(--surface-container-low);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--on-surface-variant);
  cursor: pointer;
  transition: all 0.15s;
}

.odo-brush-btn:hover {
  border-color: var(--brush-color, var(--outline-variant));
  background: var(--surface-container-high);
}

.odo-brush-btn.active {
  border-color: var(--brush-color, var(--primary));
  background: var(--surface-container-high);
  box-shadow: 0 0 0 1px var(--brush-color, var(--primary));
  color: var(--on-surface);
  font-weight: 700;
}

.odo-brush-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.odo-brush-label {
  text-transform: capitalize;
}

/* ── Zoom controls ──────────────────────────────────────────── */
.odo-zoom-group { display: flex; align-items: center; gap: 0.25rem; }
.odo-zoom-btn {
  width: 28px; height: 28px;
  border-radius: var(--radius);
  border: 1px solid var(--outline-variant);
  background: none;
  font-weight: 700;
  cursor: pointer;
  color: var(--on-surface-variant);
  display: flex; align-items: center; justify-content: center;
  transition: all 0.15s;
}
.odo-zoom-btn:hover { background: var(--surface-container-high); color: var(--primary); }
.odo-zoom-label { font-size: 0.75rem; font-weight: 700; color: var(--on-surface-variant); min-width: 40px; text-align: center; }

/* ── Odontogram SVG ─────────────────────────────────────────── */
.odo-quad-label { font-size: 9px; fill: var(--outline); font-family: var(--font-sans); }
.odo-arch-label { font-size: 8px; fill: var(--on-surface-variant); font-weight: 700; font-family: var(--font-sans); text-transform: uppercase; letter-spacing: 0.08em; }
.tooth-num-label {
  font-size: 9.5px;
  fill: var(--on-surface-variant);
  font-weight: 700;
  font-family: var(--font-sans);
  user-select: none;
  transition: fill 0.15s;
}
.tooth-num-selected { fill: var(--primary); font-weight: 800; }

/* ── Tooth SVG groups ───────────────────────────────────────── */
.odo-tooth-g { transition: transform 0.12s ease; }
.odo-tooth-g:hover { filter: url(#toothHover); }
.odo-tooth-selected { filter: url(#toothHover) !important; }

/* Surface hover effect */
.odo-surface-path {
  transition: opacity 0.1s, filter 0.1s;
}
.odo-surface-path:hover {
  opacity: 0.8;
  filter: brightness(1.15);
}

/* ── Detail panel / sidebar – scoped styles live in OdontogramCanvas.razor <style> ── */
.odo-legend-item {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--on-surface-variant);
}

.odo-legend-dot {
  width: 10px; height: 10px;
  border-radius: 3px;
  flex-shrink: 0;
}

/* ── Badges extra ───────────────────────────────────────────── */
.badge-tertiary { background: rgba(139,72,35,0.1); color: var(--tertiary); }

/* ── Empty state ────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--on-surface-variant);
  font-size: 0.875rem;
}

/* ── Loading pulse ──────────────────────────────────────────── */
.loading-pulse {
  background: linear-gradient(90deg, var(--surface-container-low) 25%, var(--surface-container-high) 50%, var(--surface-container-low) 75%);
  background-size: 400% 100%;
  animation: shimmer 1.4s infinite;
}

/* ── Progress bar ───────────────────────────────────────────── */
.progress-track {
  width: 100%;
  height: 8px;
  background: var(--surface-container-high);
  border-radius: 4px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--primary-container));
  border-radius: 4px;
  transition: width 0.4s ease;
}
.progress-fill.bg-success {
  background: linear-gradient(90deg, var(--success), #4caf50);
}

/* ── Pagination ─────────────────────────────────────────────── */
.pagination { display: flex; align-items: center; gap: 0.25rem; }
.page-btn {
  min-width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius);
  border: 1px solid var(--outline-variant);
  background: var(--surface-container-high);
  color: var(--on-surface-variant);
  font-size: 0.8125rem; font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  padding: 0 0.25rem;
}
.page-btn:hover { background: var(--surface-container-highest); color: var(--primary); }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.page-btn.page-active { background: var(--primary); color: white; border-color: var(--primary); box-shadow: 0 2px 8px rgba(0,101,101,0.25); }
.page-ellipsis { padding: 0 0.25rem; color: var(--on-surface-variant); }

/* ── Revenue chart ──────────────────────────────────────────── */
.revenue-chart-wrapper {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  height: 180px;
  padding: 0 1rem;
  overflow: hidden;
}
.chart-bar-group {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  height: 100%;
  justify-content: flex-end;
}
.chart-bar-pair {
  width: 100%;
  height: 160px;
  display: flex;
  align-items: flex-end;
  gap: 2px;
  overflow: hidden;
}
.chart-bar {
  flex: 1;
  border-radius: 4px 4px 0 0;
  min-height: 4px;
  max-height: 100%;
  transition: height 0.4s ease, opacity 0.15s;
  position: relative;
  overflow: visible;
}
.chart-bar-revenue { background: var(--primary); }
.chart-bar-collected { background: var(--primary-container); opacity: 0.65; }
.chart-bar:hover { opacity: 0.85; }
.chart-bar:hover .chart-tooltip { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(-4px); }
.chart-bar-label { font-size: 0.6875rem; font-weight: 700; color: var(--on-surface-variant); }
.chart-tooltip {
  position: absolute;
  bottom: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%) translateY(0);
  background: var(--on-surface);
  color: var(--surface);
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 3px 7px;
  border-radius: 6px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.15s, transform 0.15s, visibility 0.15s;
  z-index: 10;
}

/* ── Files / Upload ─────────────────────────────────────────── */
.upload-zone {
  border: 2px dashed var(--outline-variant);
  border-radius: var(--radius-2xl);
  padding: 2.5rem 1.5rem;
  text-align: center;
  transition: all 0.2s;
  cursor: pointer;
}
.upload-zone:hover, .upload-zone-active {
  border-color: var(--primary);
  background: rgba(0,101,101,0.04);
}
.upload-icon { font-size: 3rem; color: var(--primary); opacity: 0.6; display: block; margin-bottom: 0.5rem; }
.upload-label { font-weight: 600; color: var(--on-surface); margin-bottom: 0.25rem; }
.upload-hint { font-size: 0.75rem; color: var(--on-surface-variant); margin: 0.25rem 0; }
.file-input-hidden { display: none; }

.files-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1rem;
}
.file-card {
  background: var(--surface-container-low);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 1px solid var(--outline-variant);
  transition: box-shadow 0.15s;
}
.file-card:hover { box-shadow: var(--shadow-md); }
.file-preview { height: 100px; background: var(--surface-container); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.file-thumb { width: 100%; height: 100%; object-fit: cover; }
.file-icon-preview { display: flex; align-items: center; justify-content: center; font-size: 2.5rem; color: var(--on-surface-variant); }
.file-info { padding: 0.625rem 0.75rem; }
.file-name { font-size: 0.75rem; font-weight: 600; color: var(--on-surface); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.file-meta { font-size: 0.625rem; color: var(--on-surface-variant); margin-top: 2px; }
.file-actions { display: flex; justify-content: space-around; padding: 0.375rem; border-top: 1px solid var(--outline-variant); }

/* ── Timeline ────────────────────────────────────────────────── */
.dot-primary { background: var(--primary); box-shadow: 0 0 0 3px rgba(0,101,101,0.15); }
.dot-error { background: var(--error); box-shadow: 0 0 0 3px rgba(186,26,26,0.15); }
.dot-tertiary { background: var(--tertiary); box-shadow: 0 0 0 3px rgba(139,72,35,0.15); }
.dot-neutral { background: var(--outline-variant); }
.timeline-content { border: 1px solid var(--outline-variant); }

/* ── Settings toggle ────────────────────────────────────────── */
.toggle-btn {
  width: 44px; height: 24px;
  border-radius: 12px;
  background: var(--surface-container-high);
  border: none; cursor: pointer;
  position: relative;
  transition: background 0.2s;
  flex-shrink: 0;
}
.toggle-btn.toggle-on { background: var(--primary); }
.toggle-thumb {
  position: absolute;
  top: 3px; left: 3px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: white;
  box-shadow: var(--shadow-sm);
  transition: left 0.2s;
}
.toggle-on .toggle-thumb { left: 23px; }

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--outline-variant);
}
.settings-row:last-child { border-bottom: none; }

/* ── Avatar ─────────────────────────────────────────────────── */
.avatar-sm {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-container));
  color: white;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.75rem;
  flex-shrink: 0;
}

/* ── Autocomplete ───────────────────────────────────────────── */
.autocomplete-dropdown {
  position: absolute;
  top: 100%; left: 0; right: 0;
  background: var(--surface);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  z-index: 100;
  max-height: 200px;
  overflow-y: auto;
}
.autocomplete-item {
  padding: 0.625rem 0.875rem;
  cursor: pointer;
  font-size: 0.875rem;
  transition: background 0.1s;
}
.autocomplete-item:hover { background: var(--surface-container-low); }

/* ── Status dropdown ────────────────────────────────────────── */
.status-dropdown {
  position: absolute;
  top: 100%; right: 0;
  background: var(--surface);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  z-index: 200;
  min-width: 180px;
  padding: 0.25rem 0;
}
.status-dropdown-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.5rem 0.875rem;
  font-size: 0.8125rem;
  cursor: pointer;
  background: none;
  border: none;
  color: var(--on-surface);
  transition: background 0.1s;
}
.status-dropdown-item:hover { background: var(--surface-container-low); }

/* ── Alert banners ──────────────────────────────────────────── */
.alert-banner {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1rem 1.25rem;
  background: rgba(186,26,26,0.05);
  border: 1px solid rgba(186,26,26,0.2);
  border-radius: var(--radius-2xl);
}
.alert-icon { color: var(--error); font-size: 1.125rem; flex-shrink: 0; }
.alert-error { padding: 0.75rem 1rem; background: rgba(186,26,26,0.08); color: var(--error); border-radius: var(--radius-lg); font-size: 0.875rem; }

/* ── Treatment / Payment icon boxes ────────────────────────── */
.treatment-icon-box, .payment-icon-box {
  width: 44px; height: 44px;
  border-radius: var(--radius-xl);
  background: rgba(0,101,101,0.08);
  display: flex; align-items: center; justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

/* ── Date badge ─────────────────────────────────────────────── */
.date-badge {
  width: 48px; height: 48px;
  border-radius: var(--radius-xl);
  background: var(--surface-container-high);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 0;
  flex-shrink: 0;
}
.date-month { font-size: 0.625rem; font-weight: 700; color: var(--on-surface-variant); text-transform: uppercase; letter-spacing: 0.08em; line-height: 1; }
.date-day { font-size: 1.25rem; font-weight: 800; color: var(--primary); line-height: 1.2; }

/* ── Grid utilities ─────────────────────────────────────────── */
.grid-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.grid-3col { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.grid-4-items { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.col-span-2 { grid-column: span 2; }

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-4-items { grid-template-columns: repeat(2, 1fr); }
  .grid-2col { grid-template-columns: 1fr; }
  .col-span-2 { grid-column: span 1; }
}
@media (max-width: 640px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3col { grid-template-columns: 1fr; }
}

/* ── Extra flex / spacing utilities ────────────────────────── */
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.flex-1 { flex: 1; }
.min-w-0 { min-width: 0; }
.flex-wrap { flex-wrap: wrap; }
.flex-shrink-0 { flex-shrink: 0; }
.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-3 > * + * { margin-top: 0.75rem; }
.space-y-4 > * + * { margin-top: 1rem; }
.space-y-6 > * + * { margin-top: 1.5rem; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-0 { margin-bottom: 0; }
.mt-3 { margin-top: 0.75rem; }
.mr-1 { margin-right: 0.25rem; }
.mr-2 { margin-right: 0.5rem; }
.ml-2 { margin-left: 0.5rem; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-sm { font-size: 0.875rem; }
.italic { font-style: italic; }
.uppercase { text-transform: uppercase; }
.whitespace-pre-wrap { white-space: pre-wrap; }
.cursor-pointer { cursor: pointer; }
.relative { position: relative; }
.cursor-not-allowed { cursor: not-allowed; }

/* label-xs utility */
.label-xs {
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--on-surface-variant);
}

/* divider */
.divider { height: 1px; background: var(--outline-variant); }
.my-2 { margin-top: 0.5rem; margin-bottom: 0.5rem; }
.my-3 { margin-top: 0.75rem; margin-bottom: 0.75rem; }
.my-4 { margin-top: 1rem; margin-bottom: 1rem; }
.my-6 { margin-top: 1.5rem; margin-bottom: 1.5rem; }
.divide-outline-variant-10 > * + * { border-top: 1px solid var(--outline-variant); }

/* Toast enter/exit */
.toast-enter { animation: slideInRight 0.3s ease forwards; }
.toast-exit { animation: slideOutRight 0.3s ease forwards; }
.toast-icon { font-size: 1rem; flex-shrink: 0; }
.toast-message { flex: 1; }
.toast-close { background: none; border: none; cursor: pointer; color: var(--on-surface-variant); font-size: 0.875rem; padding: 0; flex-shrink: 0; }
@keyframes slideOutRight { from { transform: translateX(0); opacity: 1; } to { transform: translateX(120%); opacity: 0; } }

/* Ring utility */
.ring-2 { box-shadow: 0 0 0 2px var(--outline-variant); }
.ring-primary { box-shadow: 0 0 0 2px var(--primary) !important; }

/* grid-cols partial utility for 4-col items form */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.5rem; }

/* Note image thumbnails */
.note-image-thumb {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid var(--outline-variant);
    transition: transform 0.15s;
}
.note-image-thumb:hover {
    transform: scale(1.05);
}
.note-image-viewer {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.85);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}
.note-image-viewer img {
    max-width: 90vw;
    max-height: 90vh;
    border-radius: 12px;
    object-fit: contain;
}
.file-input-hidden {
    display: none;
}

/* ══════════════════════════════════════════════════════════════
   APPOINTMENT MODALS — Detail + Form
   ══════════════════════════════════════════════════════════════ */

/* Detail modal wrapper */
.appt-detail-modal {
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Colored header strip */
.appt-detail-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.375rem 1.75rem 1.25rem;
  border-bottom: 1px solid var(--outline-variant);
  border-left-width: 4px;
  border-left-style: solid;
  flex-shrink: 0;
}

.appt-detail-header-left {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
  min-width: 0;
}

.appt-detail-header-right {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex-shrink: 0;
}

.appt-detail-title {
  font-family: var(--font-headline);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--on-surface);
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Status pill in header */
.appt-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  width: fit-content;
}
.appt-status-pill::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.7;
}
.appt-status-pill.scheduled  { background: rgba(0,101,101,0.1); color: var(--primary); }
.appt-status-pill.confirmed  { background: rgba(46,125,50,0.12); color: var(--success); }
.appt-status-pill.completed  { background: rgba(46,125,50,0.18); color: var(--success); }
.appt-status-pill.cancelled  { background: rgba(186,26,26,0.1); color: var(--error); }
.appt-status-pill.no_show   { background: rgba(230,81,0,0.1); color: #e65100; }
.appt-status-pill.in_progress { background: rgba(21,101,192,0.1); color: #1565c0; }

/* Detail body */
.appt-detail-body {
  padding: 1.5rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  flex: 1;
  overflow-y: auto;
}

/* Info grid */
.appt-info-grid {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.appt-info-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--on-surface);
}

.appt-info-item svg {
  flex-shrink: 0;
  margin-top: 0.125rem;
  color: var(--on-surface-variant);
}

.appt-info-item strong {
  font-weight: 600;
  display: block;
}

.appt-info-item span {
  color: var(--on-surface-variant);
  font-size: 0.8125rem;
}

.appt-info-notes {
  background: var(--surface-container-low);
  border-radius: var(--radius-lg);
  padding: 0.75rem 0.875rem;
}

.appt-link {
  font-size: 0.75rem;
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  margin-top: 0.125rem;
  display: inline-block;
}
.appt-link:hover { text-decoration: underline; }

/* Status change row */
.appt-status-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.appt-status-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--on-surface-variant);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  flex-shrink: 0;
}

.appt-status-chip {
  padding: 0.3rem 0.875rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.15s;
}
.appt-status-chip.scheduled  { background: rgba(0,101,101,0.1); color: var(--primary); }
.appt-status-chip.confirmed  { background: rgba(46,125,50,0.12); color: var(--success); }
.appt-status-chip.completed  { background: rgba(46,125,50,0.18); color: var(--success); }
.appt-status-chip.cancelled  { background: rgba(186,26,26,0.1); color: var(--error); }
.appt-status-chip.no_show   { background: rgba(230,81,0,0.1); color: #e65100; }
.appt-status-chip.in_progress { background: rgba(21,101,192,0.1); color: #1565c0; }
.appt-status-chip:hover { filter: brightness(0.9); transform: translateY(-1px); }

/* Google Calendar bar */
.appt-gcal-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 0.75rem 1rem;
  background: var(--surface-container-low);
  border-radius: var(--radius-lg);
  border: 1px solid var(--outline-variant);
}

.gcal-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.625rem;
  border-radius: 999px;
}
.gcal-badge.synced { background: rgba(46,125,50,0.1); color: var(--success); }
.gcal-badge.unsynced { background: var(--surface-container-high); color: var(--on-surface-variant); }

.gcal-sync-btn { display: inline-flex; align-items: center; gap: 0.375rem; }

.gcal-msg { font-size: 0.75rem; }
.gcal-msg.ok { color: var(--success); }
.gcal-msg.err { color: var(--error); }

/* ── Appointment form modal ── */
.appt-form-modal { max-width: 560px; }

.appt-form-body {
  display: flex;
  flex-direction: column;
  gap: 1.125rem;
}

.appt-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.appt-duration-hint {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  color: var(--on-surface-variant);
  background: var(--surface-container-low);
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius);
  width: fit-content;
}

.appt-form-error {
  font-size: 0.8125rem;
  color: var(--error);
  background: rgba(186,26,26,0.07);
  padding: 0.625rem 0.875rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(186,26,26,0.18);
}

/* Patient search dropdown in form */
.appt-patient-drop {
  position: absolute;
  top: 100%; left: 0; right: 0;
  background: var(--surface);
  border: 1.5px solid var(--outline-variant);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
  z-index: 200;
  margin-top: 0.25rem;
  overflow: hidden;
}

.appt-patient-opt {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 0.875rem;
  cursor: pointer;
  transition: background 0.12s;
}
.appt-patient-opt:hover { background: var(--surface-container-low); }

.opt-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-container));
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.opt-name { font-size: 0.875rem; font-weight: 600; color: var(--on-surface); }
.opt-phone { font-size: 0.75rem; color: var(--on-surface-variant); }

.appt-selected-patient {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
  padding: 0.375rem 0.75rem;
  background: rgba(0,101,101,0.08);
  color: var(--primary);
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 600;
}

.appt-clear-btn {
  background: none; border: none;
  cursor: pointer;
  color: var(--primary);
  font-size: 1rem;
  line-height: 1;
  padding: 0 0.125rem;
  opacity: 0.7;
}
.appt-clear-btn:hover { opacity: 1; }

/* Status toggle buttons (edit mode) */
.appt-status-btns {
  display: flex;
  gap: 0.375rem;
  flex-wrap: wrap;
}

.appt-status-toggle {
  padding: 0.3125rem 0.875rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid transparent;
  background: var(--surface-container-high);
  color: var(--on-surface-variant);
  transition: all 0.15s;
}
.appt-status-toggle.scheduled.active  { background: rgba(0,101,101,0.1); color: var(--primary); border-color: var(--primary); }
.appt-status-toggle.confirmed.active  { background: rgba(46,125,50,0.12); color: var(--success); border-color: var(--success); }
.appt-status-toggle.completed.active  { background: rgba(46,125,50,0.18); color: var(--success); border-color: var(--success); }
.appt-status-toggle.cancelled.active  { background: rgba(186,26,26,0.1); color: var(--error); border-color: var(--error); }
.appt-status-toggle.no_show.active   { background: rgba(230,81,0,0.1); color: #e65100; border-color: #e65100; }
.appt-status-toggle.in_progress.active { background: rgba(21,101,192,0.1); color: #1565c0; border-color: #1565c0; }
.appt-status-toggle:hover:not(.active) { background: var(--surface-container-highest, var(--surface-container-high)); }

/* Color swatches */
.appt-colors {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  padding: 0.25rem 0;
}

.appt-swatch {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 2.5px solid transparent;
  cursor: pointer;
  transition: transform 0.15s, border-color 0.15s;
  outline: none;
}
.appt-swatch:hover { transform: scale(1.15); }
.appt-swatch.swatch-active {
  border-color: var(--on-surface);
  transform: scale(1.1);
  box-shadow: 0 0 0 2px var(--surface), 0 0 0 4px currentColor;
}


/* ── General space-y improvements inside modals ── */
.modal-body .space-y-4 > * + * { margin-top: 1.125rem; }
.modal-body .space-y-6 > * + * { margin-top: 1.5rem; }