/* Reset/Normalize CSS */
html {
  box-sizing: border-box;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

*,
*:before,
*:after {
  box-sizing: inherit;
}

ul,
ol {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

:root {
  /* Font variable */
  --font-main: "Inter";
  --icons-rounded: "Material Symbols Rounded";

  /* Z-index layers */
  --z-index-dropdown: 1000;
  --z-index-sticky: 1020;
  --z-index-fixed: 1030;
  --z-index-modal-backdrop: 1040;
  --z-index-modal: 1050;
  --z-index-popover: 1060;
  --z-index-tooltip: 1070;

  /* Animation durations */
  --transition-fast: 150ms;
  --transition-normal: 300ms;
  --transition-slow: 500ms;

  /* Border radius values */
  --app-border-radius-sm: 0.25rem;
  --app-border-radius-md: 0.5rem;
  --app-border-radius-lg: 1rem;
  --app-border-radius-full: 9999px;

  /* Color replace */
  --app-color-primary-brand-50: #e6f5ff;
  --app-color-primary-brand-100: #cce8ff;
  --app-color-primary-brand-150: #b4ddfe;
  --app-color-primary-brand-200: #9ad2fe;
  --app-color-primary-brand-250: #80c6ff;
  --app-color-primary-brand-300: #66bbfd;
  --app-color-primary-brand-350: #4eaffd;
  --app-color-primary-brand-400: #33a4fd;
  --app-color-primary-brand-450: #1998fc;
  --app-color-primary-brand-500: #008dfc;
  --app-color-primary-brand-550: #0078d6;
  --app-color-primary-brand-600: #036dc1;
  --app-color-primary-brand-650: #0260ab;
  --app-color-primary-brand-700: #025497;
  --app-color-primary-brand-750: #014880;
  --app-color-primary-brand-800: #013c6b;
  --app-color-primary-brand-850: #003156;
  --app-color-primary-brand-900: #002441;
  --app-color-primary-brand-950: #00182c;

  --app-color-primary-light-gray-25: var(--app-color-secondary-gray-modern-25);
  --app-color-primary-light-gray-50: var(--app-color-secondary-gray-modern-50);
  --app-color-primary-light-gray-100: var(--app-color-secondary-gray-modern-100);
  --app-color-primary-light-gray-200: var(--app-color-secondary-gray-modern-200);
  --app-color-primary-light-gray-300: var(--app-color-secondary-gray-modern-300);
  --app-color-primary-light-gray-400: var(--app-color-secondary-gray-modern-400);
  --app-color-primary-light-gray-500: var(--app-color-secondary-gray-modern-500);
  --app-color-primary-light-gray-600: var(--app-color-secondary-gray-modern-600);
  --app-color-primary-light-gray-700: var(--app-color-secondary-gray-modern-700);
  --app-color-primary-light-gray-800: var(--app-color-secondary-gray-modern-800);
  --app-color-primary-light-gray-900: var(--app-color-secondary-gray-modern-900);
  --app-color-primary-light-gray-950: var(--app-color-secondary-gray-modern-950);
  --app-color-primary-light-gray-1000: hsl(222, 42%, 5%);

  --app-spacing-container-max-width-desktop: 64rem;

  /* ========== Shadow ======== */
  --app-box-shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --app-box-shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --app-box-shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --app-box-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --app-box-shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --app-box-shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  --app-box-shadow-inner: inset 0 2px 4px 0 rgb(0 0 0 / 0.05);

  background-color: black;
}

[data-theme="light"] {
  /* Background */
  --app-background-color: var(--app-color-primary-light-gray-50);
  --app-background-color-secondary: var(--app-color-primary-light-gray-200);
  /* Card */
  --app-card-background: #ffffff;
  /* Text */
  --app-text-color: var(--app-color-secondary-gray-modern-700);
  /* Shadow */
  --app-shadow-color: rgba(0, 0, 0, 0.1);
  /* Border */
  --app-border-color: var(--app-color-secondary-gray-modern-200);
  /* Header */
  --app-header-color: var(--app-color-primary-brand-500);

  /* Hover */
  --app-background-color-hover: var(--app-color-primary-light-gray-100);

  /* Scrollbar */
  --scrollbar-track-color: var(--app-color-primary-brand-50);
  --scrollbar-thumb-color: var(--app-color-primary-brand-400);
  --scrollbar-thumb-hover-color: var(--app-color-primary-brand-200);
}

[data-theme="dark"] {
  /* Background */
  --app-background-color: var(--app-color-primary-light-gray-950);
  --app-background-color-secondary: var(--app-color-primary-light-gray-800);
  /* Card */
  --app-card-background: var(--app-color-primary-dark-gray-800);
  /* Text */
  --app-text-color: var(--app-color-secondary-gray-modern-25);
  /* Shadow */
  --app-shadow-color: rgba(0, 0, 0, 0.3);
  /* Border */
  --app-border-color: var(--app-color-secondary-gray-modern-700);
  /* Header */
  --app-header-color: var(--app-color-primary-brand-500);

  /* Hover */
  --app-background-color-hover: var(--app-color-primary-light-gray-800);

  /* Scrollbar */
  --scrollbar-track-color: var(--app-color-primary-brand-900);
  --scrollbar-thumb-color: var(--app-color-primary-brand-400);
  --scrollbar-thumb-hover-color: var(--app-color-primary-brand-200);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  outline: none;
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb-color) var(--scrollbar-track-color);
}

body {
  margin: 0;
  padding: 0;
  display: block;
  min-width: 320px;

  font-family: var(--font-main), sans-serif;
  font-size: 1rem;
  line-height: 1.25;
  font-weight: 400;

  color-scheme: light;
  color: var(--kt-color-primary-light-gray-900);
  background-color: white;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;

  min-height: 100vh;
  min-height: 100dvh;
}

i {
  font-family: var(--icons-rounded);
  font-weight: normal;
  font-style: normal;
  font-size: 1.25em;
  text-transform: none;
  letter-spacing: normal;
  word-wrap: normal;
  white-space: nowrap;
  direction: ltr;
  font-variation-settings:
    "FILL" 1,
    "wght" 400,
    "GRAD" 0,
    "opsz" 20;
  line-height: 1;
  display: block;
}

p {
  font-weight: 400;
  line-height: 1.5em;
  font-size: 1rem;
  color: var(--app-color-primary-light-gray-500);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--app-color-primary-light-gray-800);
}

a {
  text-decoration: none;
}

#root {
  display: flex;
  min-height: 100vh;
  min-height: 100dvh;
  flex-direction: column;
}

/* Accessibility Improvements */
:focus-visible {
  outline: 2px solid var(--app-color-primary-brand-500);
  outline-offset: 2px;
}

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

/* Responsive Design */
@media screen and (max-width: 768px) {
  html {
    font-size: 14px;
  }
}

.container {
  width: 100%;
  max-width: var(--app-spacing-container-max-width-desktop);
  margin: 0 auto;
  padding: 0 1rem;
}

/* Performance Improvements */
.page-transition {
  transition: opacity 0.3s ease-in-out;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Form Elements */
input,
textarea,
select,
button {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  padding: 0;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--app-color-primary-brand-500);
}

/* Utility Classes */
.flex {
  display: flex;
}
.grid {
  display: grid;
}
.text-center {
  text-align: center;
}

.mt-1 {
  margin-top: 0.25rem;
}
.mt-2 {
  margin-top: 0.5rem;
}
.mt-3 {
  margin-top: 1rem;
}
.mt-4 {
  margin-top: 1.5rem;
}
.mt-5 {
  margin-top: 2rem;
}

.mb-1 {
  margin-bottom: 0.25rem;
}
.mb-2 {
  margin-bottom: 0.5rem;
}
.mb-3 {
  margin-bottom: 1rem;
}
.mb-4 {
  margin-bottom: 1.5rem;
}
.mb-5 {
  margin-bottom: 2rem;
}

.p-1 {
  padding: 0.25rem;
}
.p-2 {
  padding: 0.5rem;
}
.p-3 {
  padding: 1rem;
}
.p-4 {
  padding: 1.5rem;
}
.p-5 {
  padding: 2rem;
}

/* Dark Mode Improvements */
[data-theme="dark"] {
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --bg-primary: #121212;
  --bg-secondary: #1e1e1e;
  --border-color: #333333;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
  }
}

/* Print Styles */
@media print {
  body {
    background: white;
    color: black;
  }

  a {
    text-decoration: underline;
  }

  .no-print {
    display: none;
  }
}

/* Loading States */
.loadingContainer {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  gap: 1rem;
}

.loadingSpinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--app-color-primary-light-gray-200);
  border-top: 4px solid var(--app-color-primary-brand-600);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}