*,
*::before,
*::after {
  box-sizing: border-box;
}
* {
  margin: 0;
}
button {
  color: inherit;
}
button, [role="button"] {
  cursor: pointer;
}
code {
  font-family:
    ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
    "Courier New", monospace;
  font-size: 1em;
}
img,
svg {
  display: block;
}
img,
video {
  max-width: 100%;
  height: auto;
}

html {
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  font-family:
    ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif,
    "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol",
    "Noto Color Emoji";
}
.transition-colors {
  transition-property: background-color, border-color, color, fill, stroke;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 150ms;
}
.my-6 {
  margin-bottom: 1.5rem;
  margin-top: 1.5rem;
}
.text-4xl {
  font-size: 2.25rem;
  line-height: 2.5rem;
}
.mx-2 {
  margin-left: 0.5rem;
  margin-right: 0.5rem;
}
.my-4 {
  margin-bottom: 1rem;
  margin-top: 1rem;
}
.mx-auto {
  margin-left: auto;
  margin-right: auto;
}
.px-4 {
  padding-left: 1rem;
  padding-right: 1rem;
}
.py-8 {
  padding-bottom: 2rem;
  padding-top: 2rem;
}
.bg-\[\#86efac\] {
  background-color: #86efac;
}
.text-3xl {
  font-size: 1.875rem;
  line-height: 2.25rem;
}
.py-6 {
  padding-bottom: 1.5rem;
  padding-top: 1.5rem;
}
.px-2 {
  padding-left: 0.5rem;
  padding-right: 0.5rem;
}
.py-1 {
  padding-bottom: 0.25rem;
  padding-top: 0.25rem;
}
.border-gray-500 {
  border-color: #6b7280;
}
.bg-white {
  background-color: #fff;
}
.flex {
  display: flex;
}
.gap-8 {
  grid-gap: 2rem;
  gap: 2rem;
}
.font-bold {
  font-weight: 700;
}
.max-w-screen-md {
  max-width: 768px;
}
.flex-col {
  flex-direction: column;
}
.items-center {
  align-items: center;
}
.justify-center {
  justify-content: center;
}
.border-2 {
  border-width: 2px;
}
.rounded {
  border-radius: 0.25rem;
}
.hover\:bg-gray-200:hover {
  background-color: #e5e7eb;
}
.tabular-nums {
  font-variant-numeric: tabular-nums;
}

/* ========================================
   Theme System - Light & Dark Mode
   ======================================== */

:root {
  /* Light Theme Colors */
  --color-bg-primary: #f8fafc;
  --color-bg-secondary: #ffffff;
  --color-bg-tertiary: #f1f5f9;

  --color-text-primary: #0f172a;
  --color-text-secondary: #475569;
  --color-text-tertiary: #64748b;

  --color-border: #e2e8f0;
  --color-shadow: rgba(0, 0, 0, 0.1);

  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-accent: #f59e0b;
  --color-accent-hover: #d97706;

  /* Gradients */
  --gradient-primary: linear-gradient(
    135deg,
    #2563eb 0%,
    #1d4ed8 50%,
    #4f46e5 100%
  );
  --gradient-background: linear-gradient(
    135deg,
    #f8fafc 0%,
    #dbeafe 50%,
    #f8fafc 100%
  );
}

[data-theme="dark"] {
  /* Dark Theme Colors */
  --color-bg-primary: #0f172a;
  --color-bg-secondary: #1e293b;
  --color-bg-tertiary: #334155;

  --color-text-primary: #f1f5f9;
  --color-text-secondary: #cbd5e1;
  --color-text-tertiary: #94a3b8;

  --color-border: #334155;
  --color-shadow: rgba(0, 0, 0, 0.5);

  --color-primary: #3b82f6;
  --color-primary-hover: #60a5fa;
  --color-accent: #fbbf24;
  --color-accent-hover: #fcd34d;

  /* Dark Gradients */
  --gradient-primary: linear-gradient(
    135deg,
    #1e293b 0%,
    #334155 50%,
    #475569 100%
  );
  --gradient-background: linear-gradient(
    135deg,
    #0f172a 0%,
    #1e293b 50%,
    #0f172a 100%
  );
}

/* Smooth Theme Transitions */
* {
  transition:
    background-color 0.3s ease,
    color 0.3s ease,
    border-color 0.3s ease;
}

body {
  background: var(--gradient-background);
  color: var(--color-text-primary);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-tertiary);
}

::-webkit-scrollbar-thumb {
  background: var(--color-text-tertiary);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-secondary);
}

/* Text Truncation Helpers */
.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-4 {
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* RTL Support */
[dir="rtl"] {
  direction: rtl;
  text-align: right;
}

[dir="ltr"] {
  direction: ltr;
  text-align: left;
}

/* Focus Styles for Accessibility */
*:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 4px;
}