:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --accent: #8b5cf6;
  --bg: #f4f6fb;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #e5e7eb;
  --danger: #ef4444;
  --success: #10b981;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(17, 24, 39, 0.06);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* Navbar */
.navbar {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { font-weight: 800; font-size: 20px; color: var(--text); text-decoration: none; }
.brand span { color: var(--primary); }
.nav-links { display: flex; align-items: center; gap: 18px; }
.nav-links a { color: var(--text); text-decoration: none; font-weight: 500; }
.nav-links a:hover { color: var(--primary); }

main { flex: 1; padding: 32px 0 48px; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  font-size: 14px;
  font-family: inherit;
  transition: transform .1s ease, box-shadow .1s ease, background .2s;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 14px rgba(99, 102, 241, .35); }
.btn-primary:hover { background: var(--primary-dark); }
.btn-outline { background: #fff; color: var(--text); border: 1px solid var(--border); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-danger { background: #fef2f2; color: var(--danger); }
.btn-danger:hover { background: #fee2e2; }
.btn-sm { padding: 7px 12px; font-size: 13px; }
.btn-block { display: block; width: 100%; text-align: center; margin-top: 8px; }

/* Flash messages */
.flash-wrap { margin-bottom: 20px; }
.flash { padding: 12px 16px; border-radius: 10px; margin-bottom: 10px; font-weight: 500; }
.flash-success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.flash-danger { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.flash-warning { background: #fffbeb; color: #92400e; border: 1px solid #fde68a; }
.flash-info { background: #eff6ff; color: #1e40af; border: 1px solid #bfdbfe; }

/* Hero */
.hero { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; padding: 48px 0; }
.hero h1 { font-size: 48px; line-height: 1.1; margin: 16px 0; font-weight: 800; }
.hero h1 span { color: var(--primary); }
.hero p { font-size: 18px; color: var(--muted); max-width: 460px; }
.pill { background: #eef2ff; color: var(--primary-dark); padding: 6px 14px; border-radius: 999px; font-weight: 600; font-size: 14px; }
.hero-actions { display: flex; gap: 14px; margin-top: 28px; }
.hero-card { display: flex; flex-direction: column; gap: 14px; }
.mini-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow);
}
.mini-emoji { font-size: 28px; }
.mini-card strong { display: block; }
.mini-card span { color: var(--muted); font-size: 14px; }
.badge {
  margin-left: auto;
  background: #eef2ff;
  color: var(--primary-dark);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}
.badge-muted { background: #f3f4f6; color: var(--muted); }
.badge-live { background: #ecfdf5; color: #065f46; }
.badge-danger { background: #fef2f2; color: #991b1b; }

/* Features */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 24px; }
.feature { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.feature h3 { margin: 0 0 8px; }
.feature p { color: var(--muted); margin: 0; }

/* Auth forms */
.auth-card {
  max-width: 440px;
  margin: 24px auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
}
.auth-card h2 { margin: 0 0 4px; }
.form { display: flex; flex-direction: column; gap: 14px; margin-top: 20px; }
.form label { display: flex; flex-direction: column; gap: 6px; font-weight: 600; font-size: 14px; }
.form input {
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 15px;
  font-family: inherit;
}
.form input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(99, 102, 241, .15); }
.muted { color: var(--muted); }
.center { text-align: center; }
.form .muted a, .auth-card .muted a { color: var(--primary); text-decoration: none; font-weight: 600; }

/* Dashboard */
.page-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; gap: 16px; }
.page-head h2 { margin: 0 0 4px; }
.page-head p { margin: 0; }

.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 32px; }
.stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.stat-label { color: var(--muted); font-size: 14px; font-weight: 500; }
.stat-value { font-size: 24px; font-weight: 700; }
.stat-sub { color: var(--muted); font-size: 14px; }
.stat .badge { margin-left: 0; align-self: flex-start; }

.section-title { margin: 28px 0 16px; }

.member-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.member-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  display: flex;
  gap: 16px;
  align-items: center;
  box-shadow: var(--shadow);
}
.avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 20px;
  flex-shrink: 0;
}
.member-info { display: flex; flex-direction: column; gap: 2px; flex: 1; min-width: 0; }
.member-info strong { font-size: 16px; }
.member-info .badge { margin-left: 0; align-self: flex-start; }
.member-actions { display: flex; flex-direction: column; gap: 8px; }
.member-actions form { margin: 0; }

.empty {
  background: var(--card);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
  color: var(--muted);
}
.empty p { margin: 0 0 16px; }

/* Tables */
.table-wrap {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--border); }
th { background: #f9fafb; color: var(--muted); font-weight: 600; }
tr:last-child td { border-bottom: none; }

/* Footer */
.footer { border-top: 1px solid var(--border); padding: 20px 0; text-align: center; color: var(--muted); font-size: 14px; background: #fff; }

/* Responsive */
@media (max-width: 800px) {
  .hero { grid-template-columns: 1fr; }
  .features { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr; }
  .member-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 36px; }
  .page-head { flex-direction: column; align-items: flex-start; }
}