/* Global styles - shared across all pages */

/* CSS Custom Properties for Theme Colors */
:root {
  /* Light mode colors */
  --text-primary: #000000;      /* Pure black for main text */
  --text-secondary: #374151;    /* Dark gray for secondary text */
  --text-muted: #6b7280;        /* Medium gray for muted text */
  --text-inverse: #f8fafc;      /* Very light for dark backgrounds */

  /* Background colors */
  --bg-primary: #ffffff;       /* White background */
  --bg-secondary: #f8fafc;      /* Light gray background */
  --bg-card: #ffffff;           /* Card background */
  --bg-header: rgba(255, 255, 255, 0.8); /* Header background */

  /* Border colors */
  --border-primary: #e2e8f0;    /* Light borders */
  --border-secondary: #cbd5e1;  /* Medium borders */

  /* Brand colors */
  --brand-primary: #5271ff;
  --brand-hover: #3d5bff;
  --brand-light: #e0e7ff;
}

.dark {
  color-scheme: dark;

  /* Dark mode colors */
  --text-primary: #ffffff;      /* Pure white for main text */
  --text-secondary: #e2e8f0;    /* Light gray for secondary text */
  --text-muted: #cbd5e1;        /* Medium light gray for muted text */
  --text-inverse: #1e293b;      /* Dark for light backgrounds */

  /* Background colors */
  --bg-primary: #000937;        /* Custom dark blue background */
  --bg-secondary: #001a4d;      /* Slightly lighter dark blue */
  --bg-card: #001a4d;           /* Card background */
  --bg-header: rgba(0, 9, 55, 0.8); /* Header background */

  /* Border colors */
  --border-primary: #334155;    /* Dark borders */
  --border-secondary: #475569;  /* Medium dark borders */
}

/* Override Tailwind dark background classes with custom color */
.dark {
  background-color: var(--bg-primary) !important;
}

.dark body {
  background-color: var(--bg-primary) !important;
}

.dark .bg-slate-900 {
  background-color: var(--bg-primary) !important;
}

.dark .dark\\:bg-slate-900 {
  background-color: var(--bg-primary) !important;
}

/* Base styles using CSS variables */
body {
  color: var(--text-primary);
  background-color: var(--bg-primary);
}

/* Normal text content styling */
p, span, div, li, td, th, label, small, .text-content {
  color: var(--text-primary);
}

/* Secondary text */
.text-secondary, .text-muted {
  color: var(--text-secondary);
}

/* Section backgrounds */
.section {
  background-color: var(--bg-primary);
}

.section.bg-slate-50 {
  background-color: var(--bg-secondary);
}

.section.bg-gradient-to-br {
  background: var(--bg-secondary);
}

.section-title {
  color: var(--text-primary);
}

.section-subtitle {
  color: var(--text-secondary);
}

.card {
  background-color: var(--bg-card);
  border-color: var(--border-primary);
  color: var(--text-primary);
}

.card-title {
  color: var(--accent-color);
}

.card-text {
  color: var(--text-primary);
}

.nav-link {
  color: var(--text-secondary);
}

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

.btn-outline {
  border-color: var(--brand-primary);
  color: var(--text-primary);
}

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

.form-input {
  background-color: var(--bg-card);
  border-color: var(--border-primary);
  color: var(--text-primary);
}

.form-input:focus {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(82, 113, 255, 0.1);
}

.form-label {
  color: var(--text-primary);
}

header {
  background-color: var(--bg-header);
  border-bottom-color: var(--border-primary);
}

footer {
  background-color: var(--bg-primary);
  border-top-color: var(--border-primary);
}

/* Dark mode transitions */
* {
  transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

/* Global layout utilities */
.container {
  max-width: 80rem;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

.section {
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.section-title {
  font-size: 1.875rem;
  line-height: 2.25rem;
  font-weight: 700;
  text-align: center;
}

.section-subtitle {
  margin-top: 0.5rem;
  text-align: center;
}

/* Global button styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.5rem;
  padding: 0.625rem 1rem;
  font-weight: 600;
}

.btn-primary {
  background-color: var(--brand-primary);
  color: white;
}

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

.btn-outline {
  border: 1px solid var(--brand-primary);
}

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

/* Global card styles */
.card {
  border-radius: 0.75rem;
  padding: 1rem;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}

.card-icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.card-title {
  margin-top: 0.75rem;
  font-weight: 600;
}

.card-text {
  margin-top: 0.5rem;
}

/* Global form styles */
.form-label {
  display: block;
  font-size: 0.875rem;
  color: #6b7280;
  margin-bottom: 0.25rem;
}

.form-input {
  width: 100%;
  border: 1px solid #d1d5db;
  border-radius: 0.5rem;
  padding: 0.625rem 0.75rem;
}

.form-input:focus {
  outline: none;
  border-color: #5271ff;
  box-shadow: 0 0 0 3px rgba(82,113,255,0.2);
}

/* Utilities for JS toggles */
.hidden { display: none; }

/* Accessibility utilities */
.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;
}

.focus\:not-sr-only:focus {
  position: static;
  width: auto;
  height: auto;
  padding: inherit;
  margin: inherit;
  overflow: visible;
  clip: auto;
  white-space: normal;
}

/* Focus styles for better accessibility */
*:focus {
  outline: 2px solid #5271ff;
  outline-offset: 2px;
}

/* Skip link styles */
a[href="#main-content"] {
  position: absolute;
  top: -40px;
  left: 6px;
  background: #5271ff;
  color: white;
  padding: 8px;
  text-decoration: none;
  border-radius: 4px;
  z-index: 1000;
  transition: top 0.3s;
}

a[href="#main-content"]:focus {
  top: 6px;
}

/* Logo styling */
.logo {
  height: 2.5rem;
  width: auto;
  transition: opacity 0.2s ease;
}

.logo:hover {
  opacity: 0.8;
}

/* Dark mode specific overrides */
.dark .section-title {
  color: var(--accent-color);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.dark .section-subtitle {
  color: var(--text-secondary);
}

/* Dark mode headings */
.dark h1, .dark h2, .dark h3, .dark h4, .dark h5, .dark h6 {
  color: var(--accent-color);
}

.dark .card {
  background-color: var(--bg-card);
  border-color: var(--border-primary);
  color: var(--text-primary);
}

.dark .card-title {
  color: var(--accent-color);
}

.dark .card-text {
  color: var(--text-primary);
}

.dark .nav-link {
  color: var(--text-secondary);
}

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

.dark .btn-outline {
  border-color: var(--brand-primary);
  color: var(--text-primary);
}

.dark .btn-outline:hover {
  background-color: var(--bg-secondary);
}

.dark .form-input {
  background-color: var(--bg-card);
  border-color: var(--border-primary);
  color: var(--text-primary);
}

.dark .form-input:focus {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(82, 113, 255, 0.1);
}

.dark .form-label {
  color: var(--text-primary);
}

.dark header {
  background-color: var(--bg-header);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--border-primary);
}

.dark footer {
  background-color: var(--bg-primary);
  border-top-color: var(--border-primary);
}

/* Dark mode section backgrounds */
.dark .section {
  background-color: var(--bg-primary);
}

.dark .section.bg-slate-50 {
  background-color: var(--bg-secondary);
}

.dark .section.bg-gradient-to-br {
  background: linear-gradient(to bottom right, var(--bg-secondary), var(--bg-primary));
}

/* Ensure all text in cards is light in dark mode */
.dark .card * {
  color: var(--text-primary);
}

.dark .card p,
.dark .card span,
.dark .card div {
  color: var(--text-primary);
}

.dark .card h1,
.dark .card h2,
.dark .card h3,
.dark .card h4,
.dark .card h5,
.dark .card h6 {
  color: var(--text-primary);
}