@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');
:root {
  --primary: #5645d4;
  --primary-pressed: #4534b3;
  --on-primary: #ffffff;
  --brand-navy: #0a1530;
  --brand-navy-deep: #070f24;
  --link-blue: #0075de;
  --brand-orange: #dd5b00;
  --brand-pink: #ff64c8;
  --brand-purple: #7b3ff2;
  --brand-teal: #2a9d99;
  --brand-green: #1aae39;
  --canvas: #ffffff;
  --surface: #f6f5f4;
  --surface-soft: #fafaf9;
  --hairline: #e5e3df;
  --hairline-strong: #c8c4be;
  --ink: #1a1a1a;
  --charcoal: #37352f;
  --slate: #5d5b54;
  --steel: #787671;
  --stone: #a4a097;
  --muted: #bbb8b1;
  --on-dark: #ffffff;
  --success: #1aae39;
  --warning: #dd5b00;
  --error: #e03131;
  --card-lavender: #e6e0f5;
  --card-mint: #d9f3e1;
  --card-peach: #ffe8d4;
  --card-sky: #dcecfa;
  --card-yellow: #f9e79f;
  --card-rose: #fde0ec;
  --rounded-sm: 6px;
  --rounded-md: 8px;
  --rounded-lg: 12px;
  --rounded-xl: 16px;
  --rounded-full: 9999px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Inter', -apple-system, system-ui, 'Segoe UI', Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  color: var(--charcoal);
  background: var(--canvas);
}
h1, h2, h3, h4 { color: var(--ink); font-weight: 600; }
h1 { font-size: 48px; line-height: 1.15; letter-spacing: -0.5px; }
h2 { font-size: 28px; line-height: 1.25; }
h3 { font-size: 22px; line-height: 1.30; }
p { color: var(--slate); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 18px; border-radius: var(--rounded-md); border: none;
  font-family: inherit; font-size: 14px; font-weight: 500; line-height: 1.3;
  cursor: pointer; transition: background .15s ease, transform .1s ease;
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--primary); color: var(--on-primary); }
.btn-primary:hover { background: var(--primary-pressed); }
.btn-primary:disabled { background: var(--hairline); color: var(--muted); cursor: not-allowed; }
.btn-dark { background: var(--ink); color: var(--on-dark); }
.btn-secondary { background: transparent; color: var(--ink); border: 1px solid var(--hairline-strong); }
.btn-danger { background: var(--error); color: var(--on-primary); }
.btn-success { background: var(--success); color: var(--on-primary); }
.btn-warning { background: var(--warning); color: var(--on-primary); }
.btn-on-dark { background: var(--on-dark); color: var(--ink); }

/* Cards */
.card {
  background: var(--canvas); border-radius: var(--rounded-lg);
  padding: 32px; border: 1px solid var(--hairline);
}
.card-surface { background: var(--surface); border: none; }

/* Inputs */
input, select {
  font-family: inherit; font-size: 16px; color: var(--ink);
  background: var(--canvas); border: 1px solid var(--hairline-strong);
  border-radius: var(--rounded-md); padding: 10px 16px; height: 44px;
  transition: border .15s ease;
}
input:focus, select:focus { outline: none; border: 2px solid var(--primary); }
input::placeholder { color: var(--muted); }

/* Badge */
.badge {
  display: inline-flex; align-items: center;
  padding: 4px 10px; border-radius: var(--rounded-full);
  font-size: 13px; font-weight: 600; line-height: 1.4;
}
.badge-purple { background: var(--primary); color: var(--on-primary); }
.badge-green { background: var(--card-mint); color: var(--brand-green); }
.badge-orange { background: var(--card-peach); color: var(--brand-orange); }
.badge-lavender { background: var(--card-lavender); color: var(--brand-purple); }

/* Hero band */
.hero-band {
  background: var(--brand-navy); color: var(--on-dark);
  padding: 80px 40px; text-align: center;
}
.hero-band h1 { color: var(--on-dark); font-size: 56px; letter-spacing: -1px; }
.hero-band p { color: var(--stone); }

/* List items */
.list-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 20px; background: var(--surface-soft);
  border-radius: var(--rounded-md); margin-bottom: 8px;
  border: 1px solid var(--hairline);
}

/* Toast */
.toast {
  position: fixed; top: 20px; right: 20px; padding: 12px 20px;
  border-radius: var(--rounded-md); font-weight: 500; font-size: 14px;
  display: none; z-index: 200; box-shadow: rgba(15,15,15,.08) 0 4px 12px;
}
.toast-success { background: var(--card-mint); color: var(--brand-green); }
.toast-error { background: var(--card-peach); color: var(--error); }

/* Header */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  background: var(--canvas); border-bottom: 1px solid var(--hairline);
  padding: 0 24px; display: flex; align-items: center; justify-content: space-between;
  height: 56px;
}
.site-header .logo { height: 28px; }
.site-header .event-name { font-size: 15px; font-weight: 600; color: var(--charcoal); letter-spacing: -0.3px; }
.site-header nav { display: flex; gap: 20px; }
.site-header nav a { font-size: 14px; color: var(--steel); text-decoration: none; font-weight: 500; }
.site-header nav a:hover { color: var(--primary); }

/* Footer */
.site-footer {
  position: fixed; bottom: 0; left: 0; right: 0;
  background: var(--canvas); border-top: 1px solid var(--hairline);
  padding: 10px 24px; text-align: center;
  font-size: 12px; color: var(--stone);
}

/* Page body offset for fixed header/footer */
body.has-chrome { padding-top: 76px; padding-bottom: 52px; }

/* Utility */
.text-center { text-align: center; }
.mt-sm { margin-top: 12px; }
.mt-md { margin-top: 16px; }
.mt-lg { margin-top: 24px; }
.mb-md { margin-bottom: 16px; }
.gap-sm { gap: 12px; }
.gap-md { gap: 16px; }
.row { display: flex; align-items: center; flex-wrap: wrap; }
.col { display: flex; flex-direction: column; }
.w-full { width: 100%; }
.max-w-sm { max-width: 400px; }
.max-w-md { max-width: 600px; }
.max-w-lg { max-width: 900px; }
.mx-auto { margin-left: auto; margin-right: auto; }
code { background: var(--surface); padding: 2px 8px; border-radius: var(--rounded-sm); font-size: 13px; border: 1px solid var(--hairline); }