/* ==========================================
   White Coat Collective - Design System & Styles
   Aesthetic: Clinical Clarity (Modern Corporate Minimalism)
   ========================================== */

@import url('https://fonts.googleapis.com/css2?family=Hanken+Grotesk:ital,wght@0,100..900;1,100..900&family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:wght,FILL@100..700,0..1&display=swap');

:root {
  /* Color Palette - Clinical Clarity */
  --color-primary: #005da7;
  --color-primary-container: #2976c7;
  --color-primary-fixed: #d4e3ff;
  --color-primary-fixed-dim: #a4c9ff;
  --color-on-primary: #ffffff;
  --color-on-primary-fixed: #001c39;
  
  --color-secondary: #406183;
  --color-secondary-container: #b7d7ff;
  --color-secondary-fixed: #d0e4ff;
  --color-secondary-fixed-dim: #a9c9f1;
  --color-on-secondary: #ffffff;
  --color-on-secondary-fixed: #001d35;
  
  --color-tertiary: #465d81;
  --color-tertiary-container: #5f759b;
  --color-tertiary-fixed: #d5e3ff;
  --color-on-tertiary: #ffffff;
  
  --color-surface: #f8f9fa;
  --color-surface-dim: #d9dadb;
  --color-surface-bright: #f8f9fa;
  --color-surface-container-lowest: #ffffff;
  --color-surface-container-low: #f3f4f5;
  --color-surface-container: #edeeef;
  --color-surface-container-high: #e7e8e9;
  --color-surface-container-highest: #e1e3e4;
  --color-surface-tint: #0060ac;
  
  --color-on-surface: #191c1d;
  --color-on-surface-variant: #414751;
  --color-outline: #717783;
  --color-outline-variant: #c1c7d3;
  
  --color-error: #ba1a1a;
  --color-error-container: #ffdad6;
  
  /* Fonts */
  --font-display: 'Hanken Grotesk', sans-serif;
  --font-headline: 'Hanken Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Shadows & Elevation */
  --shadow-clinical: 0px 4px 20px rgba(0, 0, 0, 0.04);
  --shadow-clinical-hover: 0px 8px 30px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

  /* Transitions */
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-family: var(--font-body);
  color: var(--color-on-surface);
  background-color: var(--color-surface);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Material Symbols Utility */
.material-symbols-outlined {
  font-family: 'Material Symbols Outlined';
  font-weight: normal;
  font-style: normal;
  font-size: 24px;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  -webkit-font-feature-settings: 'liga';
  -webkit-font-smoothing: antialiased;
}

/* Typography Classes */
.font-display { font-family: var(--font-display); }
.font-headline { font-family: var(--font-headline); }
.font-body { font-family: var(--font-body); }

.text-display {
  font-family: var(--font-display);
  font-size: 3rem;
  line-height: 3.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.text-headline-lg {
  font-family: var(--font-headline);
  font-size: 2rem;
  line-height: 2.5rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.text-headline-md {
  font-family: var(--font-headline);
  font-size: 1.5rem;
  line-height: 2rem;
  font-weight: 600;
}

.text-body-lg {
  font-family: var(--font-body);
  font-size: 1.125rem;
  line-height: 1.75rem;
  font-weight: 400;
}

.text-body-md {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.5rem;
  font-weight: 400;
}

.text-label-md {
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.text-caption {
  font-family: var(--font-body);
  font-size: 0.75rem;
  line-height: 1rem;
  font-weight: 500;
}

/* Header & Navigation */
.header-nav {
  background-color: var(--color-surface-container-lowest);
  border-bottom: 1px solid var(--color-outline-variant);
  position: sticky;
  top: 0;
  z-index: 50;
  transition: var(--transition-normal);
}

.header-nav.shadow-scrolled {
  box-shadow: var(--shadow-clinical);
}

.nav-link {
  color: var(--color-on-surface-variant);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  padding: 0.5rem 0;
  position: relative;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--color-primary);
}

.nav-link.active {
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  font-weight: 700;
}

/* Buttons & Badges */
.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: var(--transition-fast);
  text-decoration: none;
}

.btn-primary:hover {
  background-color: var(--color-primary-container);
  transform: translateY(-1px);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.625rem 1.25rem;
  border-radius: 0.5rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: var(--transition-fast);
  text-decoration: none;
}

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

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-secondary {
  background-color: var(--color-secondary-fixed);
  color: var(--color-on-secondary-fixed);
}

.badge-primary {
  background-color: var(--color-primary-fixed);
  color: var(--color-on-primary-fixed);
}

.badge-tertiary {
  background-color: var(--color-tertiary-fixed);
  color: var(--color-on-surface);
}

/* Cards & Bento Grid */
.clinical-card {
  background-color: var(--color-surface-container-lowest);
  border-radius: 0.75rem;
  padding: 1.5rem;
  box-shadow: var(--shadow-clinical);
  border: 1px solid var(--color-surface-variant);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.clinical-card:hover {
  box-shadow: var(--shadow-clinical-hover);
  border-color: var(--color-secondary);
  transform: translateY(-2px);
}

/* Toast Notification */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  background-color: var(--color-on-surface);
  color: var(--color-surface-container-lowest);
  padding: 1rem 1.5rem;
  border-radius: 0.5rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: slideIn 0.3s ease forwards;
  font-size: 0.875rem;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  height: 100vh;
  background-color: var(--color-surface-container-lowest);
  z-index: 60;
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
  transition: right 0.3s ease;
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.mobile-drawer.open {
  right: 0;
}

.drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.4);
  z-index: 55;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.drawer-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

/* Modal Dialog */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 70;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 1rem;
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background-color: var(--color-surface-container-lowest);
  border-radius: 1rem;
  max-width: 550px;
  width: 100%;
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  transform: scale(0.95);
  transition: transform 0.25s ease;
}

.modal-backdrop.active .modal-content {
  transform: scale(1);
}

/* Calendar Embed Container */
.calendar-wrapper {
  position: relative;
  width: 100%;
  border-radius: 1rem;
  overflow: hidden;
  background: var(--color-surface-container-lowest);
  border: 1px solid var(--color-outline-variant);
  box-shadow: var(--shadow-clinical);
  transition: var(--transition-normal);
}

.calendar-wrapper:hover {
  box-shadow: var(--shadow-clinical-hover);
}

.calendar-frame {
  width: 100%;
  height: 680px;
  border: none;
  display: block;
}

@media (max-width: 768px) {
  .calendar-frame {
    height: 540px;
  }
}