:root {
  --bg:          var(--black-bg, #0a0a0f);
  --bg2:         var(--card-bg, #12121a);
  --bg3:         var(--surface-bg, #1a1a25);
  --surface:     var(--card-bg, #14141f);
  --surface2:    var(--surface-bg, #1c1c28);
  --surface3:    var(--surface-bg, #22222f);
  --sidebar-w:   280px;
  --border:      var(--border-color, rgba(139,92,246,.15));
  --border2:     var(--border-color, rgba(139,92,246,.28));
  --accent:      var(--main-purple, #8b5cf6);
  --accent2:     var(--accent, #a78bfa);
  --accent-glow: rgba(139,92,246,.35);
  --success:     #10b981;
  --warning:     #f59e0b;
  --danger:      #ef4444;
  --danger-hover: #dc2626;
  --info:        #06b6d4;
  --text:        var(--light-text, #f0f0f5);
  --text2:       var(--muted-text, #9090a8);
  --text3:       var(--muted-text, #5a5a72);
  --radius:      14px;
  --radius-sm:   9px;
  --radius-lg:   20px;
  --transition:  .22s cubic-bezier(.4,0,.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

html, body {
  height: 100vh;
  overflow: hidden;
}
body {
  font-family: 'Syne', sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; }

body::before {
  content: '';
  position: fixed; inset: 0; z-index: 0;
  background: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(139,92,246,.15), transparent),
    radial-gradient(ellipse 60% 40% at 100% 100%, rgba(59,130,246,.08), transparent);
  pointer-events: none;
}

canvas#particles {
  position: fixed; inset: 0; z-index: 0;
  pointer-events: none;
}

.welcome {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  padding: 2rem;
}

.logo-section {
  text-align: center;
  margin-bottom: 1rem;
}

.logo-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1rem;
  background: linear-gradient(135deg, var(--accent), #3b82f6);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 32px rgba(139,92,246,.3);
}

.logo-icon svg {
  width: 40px;
  height: 40px;
  color: #fff;
}

.logo-text {
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, #fff 0%, var(--accent2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-tagline {
  color: var(--text3);
  font-size: 0.9rem;
  margin-top: 0.25rem;
}

.welcome h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
}

.enter-btn {
  padding: 1rem 3rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), #3b82f6);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 24px rgba(139,92,246,.4);
  transition: var(--transition);
}

.enter-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(139, 92, 246, 0.5);
}

.enter-btn:active {
  transform: translateY(0);
}

/* Glassmorphism Utilities */
.glass {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.glass-dark {
  background: rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: var(--surface3);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* Buttons */
.btn-primary {
  padding: 1rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), #6366f1);
  border-radius: var(--radius);
  box-shadow: 0 4px 16px rgba(139, 92, 246, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(139, 92, 246, 0.4);
}

.btn-secondary {
  padding: 1rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text2);
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.form-actions {
  display: flex;
  gap: 1rem;
}