/* ============================================================
   NIGHTFALL EXPRESS — GLOBAL THEME
   "Killer Halloween" — raven/crow, moonlit fog, dark iron
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cinzel+Decorative:wght@400;700;900&family=Oswald:wght@300;400;500;600;700&family=Crimson+Pro:ital,wght@0,300;0,400;0,600;1,300;1,400&display=swap');

/* ── CSS Variables ──────────────────────────────────────────── */
:root {
  /* Core palette */
  --black:        #080a0d;
  --abyss:        #0d0f14;
  --iron:         #141720;
  --charcoal:     #1c2030;
  --slate:        #252a3a;
  --ash:          #3a404f;
  --fog:          #5a6070;
  --mist:         #8a909f;
  --silver:       #b0b8c8;
  --bone:         #d8dce8;
  --ghost:        #eef0f5;

  /* Accent — cold moonlight, not warm amber */
  --moon:         #c8d4e8;
  --moonlit:      #a8c0dc;
  --frost:        #7090b0;
  --raven:        #1a1d28;

  /* Halloween orange — pumpkin, not candy */
  --pumpkin:      #e87820;
  --pumpkin-deep: #b85c10;
  --pumpkin-dim:  #7a3c08;
  --pumpkin-glow: rgba(232, 120, 32, 0.18);
  --pumpkin-edge: rgba(232, 120, 32, 0.35);

  /* Danger / warning */
  --blood:        #8b1a1a;
  --ember:        #c0392b;

  /* Semantic */
  --bg-primary:   var(--abyss);
  --bg-secondary: var(--iron);
  --bg-card:      var(--charcoal);
  --bg-hover:     var(--slate);
  --border:       rgba(168, 192, 220, 0.10);
  --border-hover: rgba(232, 120, 32, 0.30);

  --text-primary:   var(--bone);
  --text-secondary: var(--silver);
  --text-muted:     var(--mist);
  --text-accent:    var(--pumpkin);

  /* Typography */
  --font-display: 'Cinzel Decorative', serif;
  --font-heading: 'Oswald', sans-serif;
  --font-body:    'Crimson Pro', serif;

  /* Spacing scale */
  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  1.5rem;
  --space-xl:  2.5rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  /* Layout */
  --max-width:    1200px;
  --nav-height:   72px;
  --radius-sm:    4px;
  --radius-md:    8px;
  --radius-lg:    16px;

  /* Shadows */
  --shadow-sm:  0 2px 8px rgba(0,0,0,0.4);
  --shadow-md:  0 4px 24px rgba(0,0,0,0.6);
  --shadow-lg:  0 8px 48px rgba(0,0,0,0.8);
  --glow-moon:    0 0 24px rgba(168, 192, 220, 0.15);
  --glow-strong:  0 0 40px rgba(168, 192, 220, 0.25);
  --glow-pumpkin: 0 0 32px rgba(232, 120, 32, 0.30);

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-mid:    300ms ease;
  --transition-slow:   600ms ease;
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--ash) var(--abyss);
}

/* Chrome/Edge/Safari custom scrollbar — Firefox ignores -webkit- pseudo-elements */
@media all and (-webkit-min-device-pixel-ratio: 0) and (min-resolution: 0.001dpcm) {
  ::-webkit-scrollbar { width: 6px; }
  ::-webkit-scrollbar-track { background: var(--abyss); }
  ::-webkit-scrollbar-thumb { background: var(--ash); border-radius: 3px; }
  ::-webkit-scrollbar-thumb:hover { background: var(--fog); }
}

body {
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Background texture ─────────────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(112, 144, 176, 0.07) 0%, transparent 70%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
}

/* ── Typography ─────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.04em;
  color: var(--text-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.5rem); }

.display-font { font-family: var(--font-display); }

a {
  color: var(--moonlit);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: var(--moon); }

p { margin-bottom: var(--space-md); }
p:last-child { margin-bottom: 0; }

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

/* ── Layout utilities ───────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.section {
  position: relative;
  z-index: 1;
  padding: var(--space-3xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-label {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--frost);
  display: block;
  margin-bottom: var(--space-sm);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-primary);
  position: relative;
  display: inline-block;
  padding-bottom: var(--space-md);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--pumpkin), transparent);
}

/* ── Divider ────────────────────────────────────────────────── */
.divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: 0;
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-mid);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.05);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::before { opacity: 1; }

.btn-primary {
  background: var(--pumpkin);
  color: var(--black);
  border-color: var(--pumpkin);
}

.btn-primary:hover {
  background: #f08830;
  border-color: #f08830;
  color: var(--black);
  box-shadow: var(--glow-pumpkin);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--pumpkin);
  border-color: var(--pumpkin-deep);
}

.btn-outline:hover {
  background: var(--pumpkin-glow);
  color: #f08830;
  border-color: var(--pumpkin);
  box-shadow: var(--glow-pumpkin);
  transform: translateY(-1px);
}

.btn-moon {
  background: var(--moonlit);
  color: var(--black);
  border-color: var(--moonlit);
}

.btn-moon:hover {
  background: var(--moon);
  border-color: var(--moon);
  color: var(--black);
  box-shadow: var(--glow-moon);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border);
}

.btn-ghost:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border-hover);
}

.btn-danger {
  background: transparent;
  color: var(--ember);
  border-color: var(--blood);
}

.btn-danger:hover {
  background: var(--blood);
  color: var(--bone);
}

.btn-sm {
  font-size: 0.75rem;
  padding: 0.5rem 1rem;
  letter-spacing: 0.1em;
}

.btn-lg {
  font-size: 0.95rem;
  padding: 1rem 2.25rem;
}

/* ── Cards ──────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  transition: border-color var(--transition-mid), box-shadow var(--transition-mid);
}

.card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
}

/* ── Forms (global) ─────────────────────────────────────────── */
.form-group {
  margin-bottom: var(--space-lg);
}

label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: var(--space-xs);
}

input, textarea, select {
  width: 100%;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.65rem 0.9rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  appearance: none;
}

input:focus, textarea:focus, select:focus {
  border-color: var(--frost);
  box-shadow: 0 0 0 3px rgba(112, 144, 176, 0.15);
}

input::placeholder, textarea::placeholder {
  color: var(--fog);
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235a6070' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.9rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

textarea { resize: vertical; min-height: 120px; }

.form-error {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ember);
  margin-top: var(--space-xs);
}

.form-hint {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

/* ── Badges ─────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-heading);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.2rem 0.55rem;
  border-radius: 3px;
  border: 1px solid;
}

.badge-default { color: var(--mist); border-color: var(--ash); background: rgba(58,64,79,0.4); }
.badge-active  { color: #6dbf8a; border-color: #2d6644; background: rgba(45,102,68,0.2); }
.badge-warn    { color: #c4a03a; border-color: #7a6020; background: rgba(122,96,32,0.2); }
.badge-danger  { color: var(--ember); border-color: var(--blood); background: rgba(139,26,26,0.2); }
.badge-moon    { color: var(--moonlit); border-color: var(--frost); background: rgba(112,144,176,0.1); }

/* ── Tables ─────────────────────────────────────────────────── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.data-table th {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.data-table td {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid rgba(168, 192, 220, 0.06);
  color: var(--text-secondary);
  vertical-align: middle;
}

.data-table tbody tr {
  transition: background var(--transition-fast);
}

.data-table tbody tr:hover {
  background: rgba(168, 192, 220, 0.03);
}

/* ── Toast / alerts ─────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.toast {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  padding: 0.9rem 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid;
  backdrop-filter: blur(12px);
  animation: toastIn var(--transition-mid) ease forwards;
  min-width: 260px;
}

.toast-success { color: #6dbf8a; border-color: #2d6644; background: rgba(13,15,20,0.95); }
.toast-error   { color: var(--ember); border-color: var(--blood); background: rgba(13,15,20,0.95); }
.toast-info    { color: var(--moonlit); border-color: var(--frost); background: rgba(13,15,20,0.95); }

@keyframes toastIn {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ── Loading spinner ────────────────────────────────────────── */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--ash);
  border-top-color: var(--moonlit);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Page loader overlay ────────────────────────────────────── */
#page-loader {
  position: fixed;
  inset: 0;
  background: var(--abyss);
  z-index: 9998;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

#page-loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-logo {
  animation: loaderPulse 1.5s ease-in-out infinite;
}

@keyframes loaderPulse {
  0%, 100% { opacity: 0.4; transform: scale(0.97); }
  50%       { opacity: 1;   transform: scale(1); }
}

/* ── Utility classes ────────────────────────────────────────── */
.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;
}

.text-accent   { color: var(--text-accent); }
.text-muted    { color: var(--text-muted); }
.text-center   { text-align: center; }
.text-right    { text-align: right; }
.text-upper    { text-transform: uppercase; letter-spacing: 0.1em; }

.flex          { display: flex; }
.flex-center   { display: flex; align-items: center; justify-content: center; }
.flex-between  { display: flex; align-items: center; justify-content: space-between; }
.gap-sm        { gap: var(--space-sm); }
.gap-md        { gap: var(--space-md); }
.gap-lg        { gap: var(--space-lg); }

.mt-sm  { margin-top: var(--space-sm); }
.mt-md  { margin-top: var(--space-md); }
.mt-lg  { margin-top: var(--space-lg); }
.mt-xl  { margin-top: var(--space-xl); }
.mb-md  { margin-bottom: var(--space-md); }
.mb-lg  { margin-bottom: var(--space-lg); }

.hidden { display: none !important; }
.invisible { visibility: hidden; }

/* ── Responsive breakpoints ─────────────────────────────────── */
@media (max-width: 900px) {
  .container { padding: 0 var(--space-lg); }
  .section   { padding: var(--space-2xl) 0; }
}

@media (max-width: 600px) {
  .container { padding: 0 var(--space-md); }
  .section   { padding: var(--space-xl) 0; }
  .toast-container { right: var(--space-md); bottom: var(--space-md); left: var(--space-md); }
}

/* ── Accessibility — focus states ───────────────────────────── */
/* Visible focus ring for keyboard navigation */
:focus-visible {
  outline: 2px solid var(--pumpkin);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Remove focus ring for mouse users only */
:focus:not(:focus-visible) {
  outline: none;
}

/* Skip to main content link (screen readers + keyboard) */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-md);
  z-index: 9999;
  background: var(--pumpkin);
  color: var(--black);
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: var(--space-md);
}

/* Ensure buttons always have pointer cursor */
button { cursor: pointer; }

/* Minimum tap target size for mobile */
@media (max-width: 768px) {
  .btn {
    min-height: 44px;
    min-width: 44px;
  }

  .nav-toggle {
    min-height: 44px;
    min-width: 44px;
    padding: 10px 12px;
  }

  input, select, textarea {
    font-size: 16px; /* Prevents iOS auto-zoom on focus */
  }
}

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