:root {
  --bg: #faf7ed;
  --bg-elevated: #ffffff;
  --bg-card: #ffffff;
  --border: #e5e0cd;
  --text: #1f2a1d;
  --text-muted: #4b5644;
  --accent: #2e4a31;
  --accent-dark: #22371f;
  --accent-text: #faf7ed;
  --danger: #a8483d;
  --warning: #a3752e;
  --success: #3f7a4e;
  --radius: 12px;
  --shadow: 0 8px 24px rgba(40, 36, 20, 0.08);
  --font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-display: 'Fraunces', 'Playfair Display', Georgia, serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121b14;
    --bg-elevated: #17221a;
    --bg-card: #1a271c;
    --border: #2b3b2c;
    --text: #f1eee0;
    --text-muted: #97a390;
    --accent: #8fc08a;
    --accent-dark: #a8d2a3;
    --accent-text: #10190f;
    --danger: #e0897c;
    --warning: #e0bd7e;
    --success: #86cf8f;
    --shadow: 0 8px 28px rgba(0, 0, 0, 0.45);
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  min-height: 100%;
}

h1, h2, h3, .display {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; }

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navbar */
.navbar {
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
  position: sticky;
  top: 0;
  z-index: 20;
}
.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  max-width: 1080px;
  margin: 0 auto;
}
.brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.32rem;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand img {
  height: 46px;
  width: 46px;
  object-fit: contain;
}
.nav-links { display: flex; align-items: center; gap: 18px; font-size: 0.92rem; }
.nav-links a { color: var(--text-muted); }
.nav-links a:hover, .nav-links a.active { color: var(--text); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid var(--border);
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  background: var(--bg-card);
  color: var(--text);
  transition: border-color 0.15s ease, background 0.15s ease;
}
.btn:hover { border-color: var(--accent); }
.btn-primary {
  background: var(--accent);
  color: var(--accent-text);
  border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.btn-danger { color: var(--danger); border-color: var(--danger); background: transparent; }
.btn-danger:hover { background: rgba(168, 72, 61, 0.08); }
.btn-sm { padding: 6px 12px; font-size: 0.82rem; }
.btn-block { width: 100%; }

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}
.card + .card { margin-top: 16px; }
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.card-header h2, .card-header h3 { margin: 0; }

.grid { display: grid; gap: 16px; align-items: stretch; }
.grid .card + .card { margin-top: 0; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

/* Forms */
label { display: block; font-size: 0.85rem; color: var(--text-muted); margin-bottom: 6px; font-weight: 600; }
input, select, textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
.field { margin-bottom: 16px; }
.field .errorlist { list-style: none; padding: 0; margin: 6px 0 0; color: var(--danger); font-size: 0.82rem; }
.help-text { font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; }
.form-row { display: flex; gap: 12px; }
.form-row > .field { flex: 1; }

/* Badges / tiers */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  border: 1px solid var(--border);
  white-space: nowrap;
}
.badge-dot { width: 8px; height: 8px; border-radius: 50%; }
.tag { font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; font-weight: 700; }

/* Tables */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); font-size: 0.92rem; }
th { color: var(--text-muted); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; font-weight: 600; }
tr:last-child td { border-bottom: none; }
.table-wrap { overflow-x: auto; }

/* Messages */
.messages { list-style: none; padding: 0; margin: 16px 0; }
.messages li {
  padding: 12px 16px;
  border-radius: 10px;
  margin-bottom: 8px;
  font-size: 0.9rem;
  border: 1px solid var(--border);
}
.messages .success { border-color: var(--success); color: var(--success); }
.messages .error { border-color: var(--danger); color: var(--danger); }
.messages .warning { border-color: var(--warning); color: var(--warning); }
.messages .info { border-color: var(--text-muted); }

/* Rank ladder */
.rank-ladder { display: flex; flex-direction: column; gap: 10px; }
.rank-ladder-row { display: flex; align-items: center; justify-content: space-between; }

/* Utility */
.muted { color: var(--text-muted); }
.center { text-align: center; }
.flex { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-8 { gap: 8px; } .gap-12 { gap: 12px; } .gap-16 { gap: 16px; }
.mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; }
.mb-0 { margin-bottom: 0; }
.stat { text-align: center; }
.stat .value { font-family: var(--font-display); font-size: 1.8rem; font-weight: 600; }
.stat .label { font-size: 0.78rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }

.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
}

.avatar {
  width: 34px; height: 34px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 0.78rem; font-weight: 700; color: var(--accent-text);
  flex-shrink: 0;
}

.hero {
  padding: 84px 0 56px;
  text-align: center;
}
.hero img.hero-mark { height: 128px; width: 128px; object-fit: contain; margin-bottom: 20px; }
.hero h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); margin-bottom: 14px; line-height: 1.1; }
.hero p { color: var(--text-muted); font-size: 1.12rem; max-width: 560px; margin: 0 auto 28px; }
.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.feature-grid { margin-top: 70px; }
.feature { padding: 26px; }
.feature .icon { font-size: 1.5rem; margin-bottom: 10px; }
.feature h3 { margin: 0 0 8px; }

.page-header { margin: 28px 0 20px; }
.page-header h1 { margin: 0 0 4px; font-size: 1.7rem; }

.invite-code {
  font-family: 'Consolas', monospace;
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  background: var(--bg);
  border: 1px dashed var(--border);
  padding: 8px 14px;
  border-radius: 8px;
  display: inline-block;
}

footer {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
  padding: 40px 20px;
  border-top: 1px solid var(--border);
  margin-top: 48px;
}
footer img { height: 30px; width: 30px; object-fit: contain; opacity: 0.9; margin-bottom: 8px; }

@media (max-width: 640px) {
  .nav-links { gap: 10px; font-size: 0.85rem; }
  .hero { padding: 48px 0 30px; }
  .form-row { flex-direction: column; gap: 0; }
}