/* ══════════════════════════════════════════
   ROXTRAIN — Global Styles
   ══════════════════════════════════════════ */

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

:root {
  --neon: #c8ff00;
  --dark: #0a0a0a;
  --card: #141414;
  --card-border: #222;
  --text: #e0e0e0;
  --text-muted: #888;
  --accent: #ff3c00;
  --success: #00c853;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--dark);
  color: var(--text);
  overflow-x: hidden;
}

a { color: inherit; }

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 3rem;
  background: rgba(10,10,10,.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid #1a1a1a;
}
.logo {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.8rem; letter-spacing: 3px; color: #fff;
  text-decoration: none;
}
.logo span { color: var(--neon); }
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
  color: var(--text-muted); text-decoration: none; font-size: .85rem;
  text-transform: uppercase; letter-spacing: 1.5px; font-weight: 600;
  transition: color .3s;
}
.nav-links a:hover, .nav-links a.active { color: var(--neon); }
.nav-cta {
  background: var(--neon); color: #000; padding: .6rem 1.4rem;
  font-weight: 700; font-size: .8rem; text-transform: uppercase;
  letter-spacing: 1px; border: none; cursor: pointer;
  clip-path: polygon(0 0,100% 0,95% 100%,0% 100%);
  transition: background .3s; text-decoration: none;
}
.nav-cta:hover { background: #fff; }

/* ── NAV AUTH STATE ── */
.nav-auth { display: flex; align-items: center; gap: 1rem; }
.nav-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--neon); color: #000;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .8rem; text-decoration: none;
}
.nav-logout {
  background: none; border: 1px solid #333; color: var(--text-muted);
  padding: .4rem 1rem; font-size: .75rem; text-transform: uppercase;
  letter-spacing: 1px; cursor: pointer; transition: all .3s;
  font-family: 'Inter', sans-serif;
}
.nav-logout:hover { border-color: var(--accent); color: var(--accent); }

/* ── HAMBURGER ── */
.hamburger {
  display: none; background: none; border: none; cursor: pointer;
  flex-direction: column; gap: 5px; padding: .5rem;
  position: fixed; right: 1.5rem; top: 1rem; z-index: 301;
}
.hamburger span {
  display: block; width: 26px; height: 2px; background: #fff;
  transition: transform .3s, opacity .3s;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(10,10,10,.97);
  backdrop-filter: blur(20px);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 2rem;
  transform: translateX(100%);
  transition: transform .4s cubic-bezier(.4,0,.2,1);
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu a {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2rem; color: #fff; text-decoration: none;
  letter-spacing: 3px; transition: color .3s;
}
.mobile-menu a:hover { color: var(--neon); }
.mobile-close {
  position: absolute; top: 1rem; right: 1.5rem;
  background: none; border: none; color: #fff;
  font-size: 2.5rem; cursor: pointer; line-height: 1;
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  transition: color .3s;
}
.mobile-close:hover { color: var(--neon); }
.mobile-menu .mobile-cta {
  background: var(--neon); color: #000; padding: .8rem 2rem;
  font-family: 'Inter', sans-serif; font-weight: 700; font-size: .85rem;
  text-transform: uppercase; letter-spacing: 1.5px;
  text-decoration: none;
  clip-path: polygon(0 0,100% 0,96% 100%,0% 100%);
}

/* ── BUTTONS ── */
.btn-primary {
  background: var(--neon); color: #000; padding: .9rem 2.4rem;
  font-weight: 700; font-size: .9rem; text-transform: uppercase;
  letter-spacing: 1.5px; border: none; cursor: pointer;
  clip-path: polygon(0 0,100% 0,96% 100%,0% 100%);
  transition: transform .2s, background .3s;
  text-decoration: none; display: inline-block;
}
.btn-primary:hover { transform: scale(1.03); background: #daff33; }
.btn-secondary {
  background: transparent; color: #fff; padding: .9rem 2.4rem;
  font-weight: 700; font-size: .9rem; text-transform: uppercase;
  letter-spacing: 1.5px; border: 2px solid #333; cursor: pointer;
  transition: border-color .3s, color .3s;
  text-decoration: none; display: inline-block;
}
.btn-secondary:hover { border-color: var(--neon); color: var(--neon); }

/* ── SECTIONS ── */
section { padding: 6rem 2rem; }
.section-header { text-align: center; margin-bottom: 4rem; }
.section-header h2 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: #fff; letter-spacing: 2px;
}
.section-header p {
  color: var(--text-muted); margin-top: .8rem;
  max-width: 500px; margin-inline: auto; line-height: 1.6;
}

/* ── CARDS ── */
.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: border-color .3s, transform .3s;
}
.card:hover {
  border-color: var(--neon);
  transform: translateY(-4px);
}
.card::after {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--neon); transform: scaleX(0);
  transform-origin: left; transition: transform .4s;
}
.card:hover::after { transform: scaleX(1); }

/* ── FORM INPUTS ── */
.form-group { margin-bottom: 1.5rem; }
.form-group label {
  display: block; margin-bottom: .5rem;
  font-size: .75rem; text-transform: uppercase;
  letter-spacing: 2px; color: var(--text-muted); font-weight: 600;
}
.form-group label .required { color: var(--accent); }
.form-input {
  width: 100%; padding: 1rem 1.2rem;
  background: var(--card); border: 1px solid var(--card-border);
  color: #fff; font-family: 'Inter', sans-serif; font-size: 16px;
  outline: none; transition: border-color .3s;
}
.form-input:focus { border-color: var(--neon); }
.form-input::placeholder { color: #555; }
textarea.form-input { min-height: 120px; resize: vertical; line-height: 1.6; }
select.form-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23888' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}
.form-input.error { border-color: var(--accent); }
.error-message {
  color: var(--accent); font-size: .75rem;
  margin-top: .4rem; display: none;
}
.form-input.error + .error-message { display: block; }
.submit-btn {
  width: 100%; padding: 1rem;
  background: var(--neon); color: #000;
  font-weight: 700; font-size: .95rem;
  text-transform: uppercase; letter-spacing: 2px;
  border: none; cursor: pointer;
  clip-path: polygon(0 0,100% 0,98% 100%,0% 100%);
  transition: background .3s, transform .2s;
  font-family: 'Inter', sans-serif;
}
.submit-btn:hover { background: #daff33; transform: scale(1.01); }
.submit-btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }

/* ── STATS BAR ── */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px; background: #1a1a1a;
  border-top: 1px solid #1a1a1a;
  border-bottom: 1px solid #1a1a1a;
}
.stat {
  background: var(--dark); text-align: center; padding: 2.5rem 1rem;
}
.stat-number {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 3rem; color: var(--neon); line-height: 1;
}
.stat-label {
  font-size: .75rem; text-transform: uppercase; letter-spacing: 2px;
  color: var(--text-muted); margin-top: .4rem;
}

/* ── BADGES ── */
.badge {
  display: inline-block; padding: .25rem .6rem;
  font-size: .7rem; text-transform: uppercase;
  letter-spacing: 1px; font-weight: 600;
}
.badge-neon { background: rgba(200,255,0,.1); color: var(--neon); }
.badge-accent { background: rgba(255,60,0,.1); color: var(--accent); }
.badge-muted { background: rgba(255,255,255,.05); color: var(--text-muted); }

/* ── FOOTER ── */
footer {
  padding: 3rem 2rem; text-align: center;
  border-top: 1px solid #1a1a1a;
}
footer p {
  color: var(--text-muted); font-size: .8rem;
  letter-spacing: 1px;
}
footer .logo { margin-bottom: 1rem; display: block; }

/* ── LOADING ── */
.skeleton {
  background: linear-gradient(90deg, var(--card) 25%, #1a1a1a 50%, var(--card) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 4px;
}
@keyframes shimmer { to { background-position: -200% 0; } }

/* ── EMPTY STATE ── */
.empty-state {
  text-align: center; padding: 4rem 2rem;
  color: var(--text-muted);
}
.empty-state h3 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.5rem; color: #fff; margin-bottom: .5rem;
}

/* ── TOAST NOTIFICATIONS ── */
.toast {
  position: fixed; bottom: 2rem; right: 2rem;
  background: var(--card); border: 1px solid var(--card-border);
  padding: 1rem 1.5rem; z-index: 500;
  transform: translateY(120%); transition: transform .3s;
  max-width: 360px; font-size: .9rem;
}
.toast.show { transform: translateY(0); }
.toast-success { border-color: var(--success); }
.toast-error { border-color: var(--accent); }

/* ── ANIMATIONS ── */
.fade-in {
  opacity: 0; transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  nav { padding: .8rem 1.5rem; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .nav-cta { display: none; }
  .nav-auth .nav-logout { display: none; }
  section { padding: 4rem 1.5rem; }
}