/* ============================================
   GLOBAL DESIGN SYSTEM
   Multi-Sector Appointment SaaS
   ============================================ */

/* CSS Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Color Palette - Soft Neutrals */
  --color-white: #ffffff;
  --color-gray-50: #fafafa;
  --color-gray-100: #f5f5f5;
  --color-gray-200: #e5e5e5;
  --color-gray-300: #d4d4d4;
  --color-gray-400: #a3a3a3;
  --color-gray-500: #737373;
  --color-gray-600: #525252;
  --color-gray-700: #404040;
  --color-gray-800: #262626;
  --color-gray-900: #171717;

  /* Accent Colors - Soft Blue */
  --color-primary-50: #eff6ff;
  --color-primary-100: #dbeafe;
  --color-primary-200: #bfdbfe;
  --color-primary-300: #93c5fd;
  --color-primary-400: #60a5fa;
  --color-primary-500: #3b82f6;
  --color-primary-600: #2563eb;
  --color-primary-700: #1d4ed8;
  --color-primary-800: #1e40af;
  --color-primary-900: #1e3a8a;

  /* Semantic Colors */
  --color-success: #10b981;
  --color-success-light: #d1fae5;
  --color-warning: #f59e0b;
  --color-warning-light: #fef3c7;
  --color-error: #ef4444;
  --color-error-light: #fee2e2;
  --color-info: #3b82f6;
  --color-info-light: #dbeafe;

  /* Typography */
  --font-family-base:
    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-size-xs: 0.75rem; /* 12px */
  --font-size-sm: 0.875rem; /* 14px */
  --font-size-base: 1rem; /* 16px */
  --font-size-lg: 1.125rem; /* 18px */
  --font-size-xl: 1.25rem; /* 20px */
  --font-size-2xl: 1.5rem; /* 24px */
  --font-size-3xl: 1.875rem; /* 30px */
  --font-size-4xl: 2.25rem; /* 36px */

  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* Spacing Scale (4px base) */
  --spacing-1: 0.25rem; /* 4px */
  --spacing-2: 0.5rem; /* 8px */
  --spacing-3: 0.75rem; /* 12px */
  --spacing-4: 1rem; /* 16px */
  --spacing-5: 1.25rem; /* 20px */
  --spacing-6: 1.5rem; /* 24px */
  --spacing-8: 2rem; /* 32px */
  --spacing-10: 2.5rem; /* 40px */
  --spacing-12: 3rem; /* 48px */
  --spacing-16: 4rem; /* 64px */
  --spacing-20: 5rem; /* 80px */

  /* Border Radius */
  --radius-sm: 0.5rem; /* 8px */
  --radius-md: 0.75rem; /* 12px */
  --radius-lg: 1rem; /* 16px */
  --radius-xl: 1.25rem; /* 20px */
  --radius-full: 9999px;

  /* Shadows - Subtle */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm:
    0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
  --shadow-md:
    0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg:
    0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl:
    0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 200ms ease-in-out;
  --transition-slow: 300ms ease-in-out;
}

/* Base Styles */
html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--color-gray-900);
  background-color: var(--color-gray-50);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  color: var(--color-gray-900);
}

h1 {
  font-size: var(--font-size-4xl);
}
h2 {
  font-size: var(--font-size-3xl);
}
h3 {
  font-size: var(--font-size-2xl);
}
h4 {
  font-size: var(--font-size-xl);
}
h5 {
  font-size: var(--font-size-lg);
}
h6 {
  font-size: var(--font-size-base);
}

p {
  margin-bottom: var(--spacing-4);
  color: var(--color-gray-600);
}

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

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

/* Utility Classes */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-6);
}

.text-center {
  text-align: center;
}
.text-left {
  text-align: left;
}
.text-right {
  text-align: right;
}

.font-medium {
  font-weight: var(--font-weight-medium);
}
.font-semibold {
  font-weight: var(--font-weight-semibold);
}
.font-bold {
  font-weight: var(--font-weight-bold);
}

.text-xs {
  font-size: var(--font-size-xs);
}
.text-sm {
  font-size: var(--font-size-sm);
}
.text-base {
  font-size: var(--font-size-base);
}
.text-lg {
  font-size: var(--font-size-lg);
}
.text-xl {
  font-size: var(--font-size-xl);
}
.text-2xl {
  font-size: var(--font-size-2xl);
}
.text-3xl {
  font-size: var(--font-size-3xl);
}

.text-gray-500 {
  color: var(--color-gray-500);
}
.text-gray-600 {
  color: var(--color-gray-600);
}
.text-gray-700 {
  color: var(--color-gray-700);
}
.text-gray-900 {
  color: var(--color-gray-900);
}
.text-primary {
  color: var(--color-primary-600);
}
.text-success {
  color: var(--color-success);
}
.text-warning {
  color: var(--color-warning);
}
.text-error {
  color: var(--color-error);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--color-gray-300);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-gray-400);
}

/* Glassmorphism Overlay */
.glass-overlay {
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

/* Prevent Lucide Icon Blink */
[data-lucide] {
  width: 20px; /* Default size matching w-5 */
  height: 20px; /* Default size matching h-5 */
  display: inline-block;
  vertical-align: middle;
}

/* Specific size overrides if necessary, matches common Tailwind sizes */
[data-lucide].w-4 {
  width: 16px;
}
[data-lucide].h-4 {
  height: 16px;
}
[data-lucide].w-5 {
  width: 20px;
}
[data-lucide].h-5 {
  height: 20px;
}
[data-lucide].w-6 {
  width: 24px;
}
[data-lucide].h-6 {
  height: 24px;
}
[data-lucide].w-8 {
  width: 32px;
}
[data-lucide].h-8 {
  height: 32px;
}

/* --- Skeleton Loading Animation --- */
.skeleton {
  background-color: #f3f4f6; /* gray-100 */
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
}

.skeleton::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  transform: translateX(-100%);
  background-image: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0) 0,
    rgba(255, 255, 255, 0.4) 20%,
    rgba(255, 255, 255, 0.7) 60%,
    rgba(255, 255, 255, 0)
  );
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  100% {
    transform: translateX(100%);
  }
}

/* Helper classes for skeleton shapes */
.skeleton-text {
  height: 0.75rem; /* text-xs/sm approx */
  margin-bottom: 0.5rem;
  width: 100%;
}
.skeleton-title {
  height: 1.25rem; /* h3/h4 approx */
  margin-bottom: 1rem;
  width: 60%;
}
.skeleton-avatar {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 9999px;
}
.skeleton-button {
  height: 2.25rem;
  width: 100%;
  border-radius: var(--radius-md);
}

/* --- Top Loading Bar (NProgress-style) --- */
#top-loader {
  pointer-events: none;
  position: fixed;
  z-index: 99999;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: #2563eb; /* blue-600 */
  transition: width 0.2s ease;
  box-shadow: 0 0 10px rgba(37, 99, 235, 0.5);
}

/* Offcanvas Transitions Helper */
.offcanvas {
  transition: transform 0.3s ease-in-out;
}
.offcanvas-backdrop {
  transition: opacity 0.3s linear;
}
.select2-container--default .select2-selection--single {
    background-color: #ffffff !important;
    border-color: #e5e7eb !important;
    height: 38px !important;
    display: flex !important;
    align-items: center !important;
    border-radius: 0.5rem !important;
}

    .select2-container--default .select2-selection--single .select2-selection__rendered {
        line-height: normal !important;
        color: #374151 !important;
        padding-left: 12px !important;
        font-size: 0.875rem !important; /* text-sm */
    }

    .select2-container--default .select2-selection--single .select2-selection__arrow {
        height: 36px !important;
        top: 1px !important;
        right: 8px !important;
    }
/* Ensure Select2 takes full width within its flex container */
.select2-container {
    width: 100% !important;
    max-width: 100% !important;
}
/* Increase dropdown max-height to utilize available space */
.select2-container--default .select2-results__options {
    max-height: 400px !important;
}
/* Prevent horizontal scroll caused by Select2 dropdowns */
body {
    overflow-x: hidden !important;
}