/* ============================================
   BASE CSS - Just Track It
   Shared styles across all pages
   ============================================ */

/* ============================================
   CSS CUSTOM PROPERTIES
   ============================================ */
:root {
  /* Colors - Neutrals */
  --color-black: #0a0a0a;
  --color-white: #ffffff;
  --color-offwhite: #f8f9fa;
  --color-gray-100: #f1f3f4;
  --color-gray-200: #e8eaed;
  --color-gray-300: #dadce0;
  --color-gray-400: #667081;
  --color-gray-500: #4f5866;
  --color-gray-600: #3f4856;
  --color-gray-700: #313a46;
  --color-gray-800: #3c4043;
  --color-gray-900: #202124;

  /* WCAG AA Accessible Text Colors (4.5:1 contrast with white/light backgrounds) */
  --color-text-muted: #3c4552; /* higher contrast for secondary text on white */
  --color-text-subtle: #2f3844; /* higher contrast for labels/captions on white */

  /* Colors - Brand (WCAG AA compliant) */
  --color-primary: #d32f3d; /* Slightly darkened from #E63946 for 4.5:1 with white */
  --color-primary-dark: #b22833; /* Darkened for hover states */
  --color-primary-light: #e63946; /* Original red for decorative use */
  --color-secondary: #1d3557;
  --color-accent: #c96700; /* Darkened from #F77F00 for better contrast */
  --color-accent-light: #f77f00; /* Original orange for decorative use */
  --color-success: #2d6a4f;

  /* Colors - Run Groups */
  --color-novice: #2d6a4f; /* Green */
  --color-intermediate-1: #b8860b; /* Yellow/Gold */
  --color-intermediate-2: #4361ee; /* Blue */
  --color-advanced: #e63946; /* Red */
  --color-instructor: #7b2d8b; /* Purple */

  /* Run Group accessible variants (darkened for 4.5:1 contrast with white text) */
  --color-novice-accessible: #245840;
  --color-intermediate-1-accessible: #8b6914;
  --color-intermediate-2-accessible: #2b4acf;
  --color-advanced-accessible: #c62d39;
  --color-instructor-accessible: #6a2578;

  /* Typography */
  --font-display: "Oswald", sans-serif;
  --font-heading: "Barlow Condensed", sans-serif;
  --font-body: "Barlow", sans-serif;

  /* Colors - Derived */
  --color-black-blue: #1a1a2e;
  --color-focus-ring: rgba(230, 57, 70, 0.2);

  /* Layout */
  --container-max: 1280px;
  --container-padding: clamp(1rem, 3vw, 2rem);
  --header-height: 72px;
}

/* ============================================
   RESET & BASE
   ============================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
}
* {
  margin: 0;
  padding: 0;
}

html {
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--color-gray-900);
  background: var(--color-offwhite);
  overflow-x: hidden;
}

img {
  display: block;
  max-width: 100%;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  cursor: pointer;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* ============================================
   SKIP LINK (Accessibility)
   ============================================ */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 0.75rem 1.5rem;
  z-index: 1000;
  font-family: var(--font-heading);
  font-weight: 600;
  text-decoration: none;
}

.skip-link:focus {
  top: 0;
}

/* ============================================
   FOCUS STATES (Keyboard Accessibility)
   ============================================ */
:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Buttons and interactive elements */
.btn:focus-visible,
.header-cta:focus-visible,
.event-cta:focus-visible,
.event-row-cta:focus-visible {
  outline: 2px solid var(--color-white);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px var(--color-primary);
}

/* Navigation links */
.nav a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
}

/* Cards - show focus on the whole card */
.event-card:focus-within,
.event-row:focus-within,
.rungroup-card:focus-within,
.why-card:focus-within,
.sidebar-card:focus-within {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Footer and form elements */
.footer-links a:focus-visible,
.footer-social a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Form inputs */
input:focus,
textarea:focus,
select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-focus-ring);
}

/* ============================================
   COMMON BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
}

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

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
}

/* Disabled button styles */
button:disabled,
button[disabled],
button[aria-disabled="true"],
.btn:disabled,
.btn[disabled],
.btn[aria-disabled="true"],
.form-submit:disabled,
.form-submit[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

button:disabled:hover,
button[disabled]:hover,
.btn:disabled:hover,
.btn[disabled]:hover,
.form-submit:disabled:hover,
.form-submit[disabled]:hover {
  transform: none;
  background: var(--color-primary);
}

/* ============================================
   RUN GROUP BADGES
   ============================================ */
.group-badge {
  display: inline-block;
  padding: 0.25rem 0.625rem;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 100px;
  color: var(--color-white);
}

.group-badge.novice {
  background: var(--color-novice);
}
.group-badge.intermediate-1 {
  background: var(--color-intermediate-1);
}
.group-badge.intermediate-2 {
  background: var(--color-intermediate-2);
}
.group-badge.advanced {
  background: var(--color-advanced);
}
.group-badge.instructor {
  background: var(--color-instructor);
}

/* ============================================
   LOADING & ERROR STATES
   ============================================ */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-gray-500);
}

.error-state {
  text-align: center;
  padding: 4rem 2rem;
}

.error-state h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--color-gray-900);
  margin-bottom: 1rem;
}

.error-state p {
  color: var(--color-gray-600);
  margin-bottom: 2rem;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeSlideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* ============================================
   ICON SIZES
   ============================================ */
.icon-xs {
  width: 10px;
  height: 10px;
}
.icon-sm {
  width: 12px;
  height: 12px;
}
.icon-md {
  width: 14px;
  height: 14px;
}
.icon-base {
  width: 16px;
  height: 16px;
}
.icon-lg {
  width: 18px;
  height: 18px;
}
.icon-xl {
  width: 20px;
  height: 20px;
}
.icon-2xl {
  width: 22px;
  height: 22px;
}
.icon-3xl {
  width: 24px;
  height: 24px;
}
.icon-4xl {
  width: 28px;
  height: 28px;
}
.icon-5xl {
  width: 32px;
  height: 32px;
}
.icon-6xl {
  width: 36px;
  height: 36px;
}
.icon-7xl {
  width: 40px;
  height: 40px;
}
.icon-8xl {
  width: 48px;
  height: 48px;
}

/* ============================================
   PASSWORD GATE (temporary — remove after content review)
   ============================================ */
.password-gate {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--color-black-blue);
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

.password-gate-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  padding: 2.5rem 2rem;
  max-width: 360px;
  width: 90%;
}

.password-gate-label {
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--color-gray-400);
  text-align: center;
}

.password-gate-form {
  display: flex;
  gap: 0.5rem;
  width: 100%;
}

.password-gate-input {
  flex: 1;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-white);
  outline: none;
}

.password-gate-input::placeholder {
  color: var(--color-gray-500);
}

.password-gate-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-focus-ring);
}

.password-gate-btn {
  padding: 0.75rem 1.5rem;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.2s;
}

.password-gate-btn:hover {
  background: var(--color-primary-dark);
}

.password-gate-error {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  color: var(--color-primary-light);
  min-height: 1.25rem;
}

/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}