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

:root {
  /* Primary: Honduras Turquoise (flag-inspired, premium medical trust) */
  --color-primary-50: #ECFBFF;
  --color-primary-100: #CEF3FC;
  --color-primary-200: #A2E6F8;
  --color-primary-300: #6AD3F0;
  --color-primary-400: #31B9E4;
  --color-primary-500: #0F9FD4;
  --color-primary-600: #037FB4;
  --color-primary-700: #076691;
  --color-primary-800: #0C5375;
  --color-primary-900: #0F4560;

  /* Secondary: Deep Teal (depth, gradients) */
  --color-secondary-50: #EFF9F9;
  --color-secondary-100: #D3EEEE;
  --color-secondary-500: #0E8388;
  --color-secondary-600: #0B6A70;
  --color-secondary-700: #0A545A;

  /* Accent: Warm Amber (warmth/energy, sparing use) */
  --color-accent-50: #FFFBEB;
  --color-accent-100: #FEF3C7;
  --color-accent-500: #F59E0B;
  --color-accent-600: #D97706;

  /* Status Colors */
  --color-success-50: #ECFDF5;
  --color-success-100: #D1FAE5;
  --color-success-500: #10B981;
  --color-success-600: #059669;
  --color-success-700: #047857;

  --color-warning-50: #FFFBEB;
  --color-warning-100: #FEF3C7;
  --color-warning-500: #F59E0B;
  --color-warning-600: #D97706;
  --color-warning-700: #B45309;

  --color-danger-50: #FEF2F2;
  --color-danger-100: #FEE2E2;
  --color-danger-500: #EF4444;
  --color-danger-600: #DC2626;
  --color-danger-700: #B91C1C;

  --color-info-50: #EFF6FF;
  --color-info-500: #3B82F6;
  --color-info-600: #2563EB;

  /* Neutrals: Cool Slate Scale (premium, clinical) */
  --color-neutral-50: #F8FAFC;
  --color-neutral-100: #F1F5F9;
  --color-neutral-200: #E2E8F0;
  --color-neutral-300: #CBD5E1;
  --color-neutral-400: #94A3B8;
  --color-neutral-500: #64748B;
  --color-neutral-600: #475569;
  --color-neutral-700: #334155;
  --color-neutral-800: #1E293B;
  --color-neutral-900: #0F2438; /* Deep ink navy — headings & text */

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-primary-500), var(--color-secondary-600));
  --gradient-brand: linear-gradient(150deg, var(--color-primary-500) 0%, var(--color-secondary-700) 100%);

  /* Typography */
  --font-family-base: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  
  /* Font Sizes */
  --text-xs: 0.75rem;     /* 12px */
  --text-sm: 0.875rem;    /* 14px */
  --text-base: 1rem;      /* 16px */
  --text-lg: 1.125rem;    /* 18px */
  --text-xl: 1.25rem;     /* 20px */
  --text-2xl: 1.5rem;     /* 24px */
  --text-3xl: 1.875rem;   /* 30px */

  /* Font Weights */
  --font-regular: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  /* Effects */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 250ms ease-in-out;
}

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

html {
  font-family: var(--font-family-base);
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-neutral-900);
  background-color: var(--color-neutral-50);
}

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Base Headings & Links */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-semibold);
  line-height: 1.2;
  margin-bottom: 0.5em;
  color: var(--color-neutral-900);
}

h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }

a {
  color: var(--color-primary-600);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-700);
}

/* Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Components */
/* Cards */
.card {
  background: #ffffff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
  transition: box-shadow var(--transition-normal), transform var(--transition-normal);
  border: 1px solid var(--color-neutral-200);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary-500);
  outline-offset: 2px;
}

.btn-primary {
  background-color: var(--color-primary-600);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--color-primary-700);
  color: #ffffff;
}

.btn-secondary {
  background-color: var(--color-secondary-600);
  color: #ffffff;
}

.btn-secondary:hover {
  background-color: var(--color-secondary-700);
}

.btn-outline {
  background-color: transparent;
  border: 1px solid var(--color-primary-600);
  color: var(--color-primary-600);
}

.btn-outline:hover {
  background-color: var(--color-primary-50);
}

.btn-danger {
  background-color: var(--color-danger-500);
  color: #ffffff;
}

.btn-danger:hover {
  background-color: var(--color-danger-600);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.625rem;
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  border-radius: 9999px;
  line-height: 1;
}

.badge-success { background: var(--color-success-50); color: var(--color-success-600); }
.badge-warning { background: var(--color-warning-50); color: var(--color-warning-600); }
.badge-danger { background: var(--color-danger-50); color: var(--color-danger-600); }
.badge-info { background: var(--color-info-50); color: var(--color-info-600); }

/* Alerts */
.alert {
  padding: 1rem;
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: var(--text-sm);
}

.alert-success { background: var(--color-success-50); color: var(--color-success-600); border: 1px solid var(--color-success-500); }
.alert-error { background: var(--color-danger-50); color: var(--color-danger-600); border: 1px solid var(--color-danger-500); }
.alert-warning { background: var(--color-warning-50); color: var(--color-warning-600); border: 1px solid var(--color-warning-500); }
.alert-info { background: var(--color-info-50); color: var(--color-info-600); border: 1px solid var(--color-info-500); }

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-neutral-200);
  padding: 1rem 0;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-primary-600);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

/* ---------------------------------------------------------------------------
   App shell (authenticated layout: base.html)
--------------------------------------------------------------------------- */
.sticky-navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--color-neutral-200);
  /* Honduras throwback: subtle turquoise flag stripe */
  box-shadow: inset 0 3px 0 0 var(--color-primary-500), var(--shadow-sm);
}

.frosted-glass {
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px) saturate(1.4);
  -webkit-backdrop-filter: blur(10px) saturate(1.4);
}

.navbar-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.navbar-logo .logo-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-primary-700);
  letter-spacing: -0.01em;
}

.navbar-logo .logo-link:hover {
  color: var(--color-primary-800);
}

.navbar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.user-name {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-neutral-700);
}

.role-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  line-height: 1.4;
}

.patient-badge { background: var(--color-primary-50); color: var(--color-primary-700); }
.doctor-badge  { background: var(--color-secondary-100); color: var(--color-secondary-700); }
.admin-badge   { background: var(--color-warning-100); color: var(--color-warning-700); }

.logout-form { margin: 0; }

.btn-logout {
  background: transparent;
  border: 1px solid var(--color-neutral-300);
  color: var(--color-neutral-600);
  padding: 0.45rem 0.9rem;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-logout:hover {
  background: var(--color-danger-50);
  border-color: var(--color-danger-200, #FECACA);
  color: var(--color-danger-600);
}

.main-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
}

/* Small button modifier */
.btn-sm {
  padding: 0.4rem 0.8rem;
  font-size: var(--text-xs);
}

@media (max-width: 640px) {
  .navbar-container { padding: 0.75rem 1rem; }
  .user-name { display: none; }
  .main-container { padding: 1.5rem 1rem 2.5rem; }
}

/* Grid System */
.grid {
  display: grid;
  gap: 1.5rem;
}

/* Form Elements */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  margin-bottom: 0.5rem;
  color: var(--color-neutral-700);
}

.form-input,
.form-select,
.form-textarea,
.form-control:not([type="checkbox"]):not([type="radio"]) {
  width: 100%;
  padding: 0.75rem 0.875rem;
  font-size: var(--text-sm);
  line-height: 1.4;
  border: 1px solid var(--color-neutral-300);
  border-radius: var(--radius-md);
  background-color: #ffffff;
  color: var(--color-neutral-900);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  font-family: var(--font-family-base);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus,
.form-control:not([type="checkbox"]):not([type="radio"]):focus {
  outline: none;
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 3px var(--color-primary-100);
}

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

/* Invalid state (added by BaseFormMixin as .error, or Bootstrap-style .is-invalid) */
.form-control.error,
.form-control.is-invalid,
.form-input.is-invalid {
  border-color: var(--color-danger-500);
}

.form-control.error:focus,
.form-control.is-invalid:focus,
.form-input.is-invalid:focus {
  box-shadow: 0 0 0 3px var(--color-danger-50);
}

textarea.form-control,
.form-textarea {
  min-height: 104px;
  resize: vertical;
}

/* Custom chevron for native selects */
select.form-control,
.form-select {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  padding-right: 2.5rem;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2378716C' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.875rem center;
  background-size: 1rem;
}

/* Animations */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeSlideIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .5; } }
@keyframes shimmer {
  0% { background-position: -1000px 0; }
  100% { background-position: 1000px 0; }
}

.animate-fade-in { animation: fadeIn var(--transition-normal) forwards; }
.animate-slide-up { animation: slideUp var(--transition-normal) forwards; }
.animate-pulse { animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite; }

/* ---------------------------------------------------------------------------
   Utilities (spacing, flex, text, borders) — used across dashboards
--------------------------------------------------------------------------- */
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-6 { margin-top: 2.25rem; }
.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-6 { margin-bottom: 2.25rem; }
.ml-3 { margin-left: 1rem; }
.pt-4 { padding-top: 1.5rem; }
.p-0 { padding: 0; }
.p-3 { padding: 1rem; }
.p-4 { padding: 1.25rem; }
.p-6 { padding: 2rem; }

.flex { display: flex; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-3 { gap: 1rem; }
.gap-4 { gap: 1.5rem; }

.w-100 { width: 100%; }
.d-block { display: block; }

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-4xl { font-size: 2.25rem; line-height: 1.1; }
.font-medium { font-weight: var(--font-medium); }

.text-muted { color: var(--color-neutral-500); }
.text-success { color: var(--color-success-600); }
.text-primary { color: var(--color-primary-600); }
.text-red-500 { color: var(--color-danger-500); }
.text-gray-500 { color: var(--color-neutral-500); }
.text-gray-600 { color: var(--color-neutral-600); }
.text-gray-700 { color: var(--color-neutral-700); }

.border-b { border-bottom: 1px solid var(--color-neutral-200); }
.border-t { border-top: 1px solid var(--color-neutral-200); }
.border-gray-100 { border-color: var(--color-neutral-100); }
.rounded { border-radius: var(--radius-md); }
.bg-gray-50 { background-color: var(--color-neutral-50); }

.sticky { position: sticky; }
.top-24 { top: 6rem; }

.hover\:underline:hover { text-decoration: underline; }

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Responsive Breakpoints */
@media (min-width: 480px) {
  .grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  .grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .navbar { padding: 1.25rem 0; }
}

@media (min-width: 1024px) {
  .grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
}