:root {
  --primary: #702C3D;
  --primary-dark: #5A2331;
  --primary-tint: #8E3D50;
  --secondary: #1A1A1A;
  --surface: #FAF7F8;
  --surface-2: #FFFFFF;
  --border: #E5D9DC;
  --text: #2A2A2A;
  --muted: #6B6B6B;
  --success: #2E7D4F;
  --danger: #B23A48;
  --warning: #B8860B;
  --info: #3A6EA5;
  --radius: 8px;
  --shadow-sm: 0 1px 3px rgba(26,26,26,0.06);
  --shadow: 0 4px 14px rgba(26,26,26,0.08);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--surface);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 15px;
  line-height: 1.55;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); text-decoration: underline; }

h1, h2, h3, h4, h5, h6 { font-weight: 700; color: var(--secondary); margin: 0 0 0.6em; line-height: 1.25; }
h1 { font-size: 1.75rem; }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }

/* Layout */
.app-shell { min-height: 100vh; display: flex; flex-direction: column; }
.app-main { flex: 1; padding: 24px; max-width: 1100px; width: 100%; margin: 0 auto; }
.container-narrow { max-width: 480px; margin: 0 auto; }

/* Top bar */
.topbar { background: #fff; border-bottom: 1px solid var(--border); box-shadow: var(--shadow-sm); }
.topbar-inner { max-width: 1100px; margin: 0 auto; padding: 14px 24px; display: flex; align-items: center; gap: 16px; }
.topbar a { color: var(--text); }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; color: var(--secondary); text-decoration: none; }
.brand:hover { text-decoration: none; }
.brand img { height: 44px; width: auto; display: block; }
.brand-name-only { font-size: 17px; }
.brand .brand-text-fallback { font-size: 17px; color: var(--primary); }
.nav { display: flex; gap: 2px; margin-left: auto; align-items: center; flex-wrap: wrap; }
.nav a { padding: 8px 14px; border-radius: var(--radius); font-weight: 600; color: var(--text); font-size: 14px; }
.nav a:hover { background: var(--surface); text-decoration: none; color: var(--primary); }
.nav a.active { background: var(--primary); color: #fff; }
.nav a.active:hover { background: var(--primary-dark); color: #fff; }
.nav .who { color: var(--muted); padding: 8px 8px 8px 14px; font-size: 13px; border-left: 1px solid var(--border); margin-left: 6px; }

/* Cards */
.card { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow-sm); margin-bottom: 16px; }
.card h2:first-child, .card h3:first-child { margin-top: 0; }
.card-header { margin: -20px -20px 16px; padding: 14px 20px; background: var(--surface); border-bottom: 1px solid var(--border); border-radius: var(--radius) var(--radius) 0 0; display: flex; align-items: center; justify-content: space-between; }
.card-header h2, .card-header h3 { margin: 0; }

/* Forms */
label { display: block; font-weight: 600; margin-bottom: 4px; font-size: 13px; color: var(--secondary); }
input[type=text], input[type=email], input[type=tel], input[type=password], input[type=number], input[type=date], input[type=datetime-local], select, textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--radius); font: inherit; background: #fff; color: var(--text);
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(112,44,61,0.15); }
.form-row { margin-bottom: 14px; }
.form-grid { display: grid; gap: 14px; grid-template-columns: 1fr 1fr; }
@media (max-width: 600px) { .form-grid { grid-template-columns: 1fr; } }
.help { font-size: 12px; color: var(--muted); margin-top: 4px; }
.checkbox-row { display: flex; align-items: center; gap: 8px; padding: 6px 0; }
.checkbox-row input[type=checkbox] { width: auto; margin: 0; }

/* Buttons */
.btn { display: inline-block; padding: 10px 18px; border-radius: var(--radius); border: 1px solid transparent; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; text-decoration: none; }
.btn-secondary { background: #fff; color: var(--secondary); border-color: var(--border); }
.btn-secondary:hover { background: var(--surface); text-decoration: none; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-block { display: block; width: 100%; }
.btn-sm { padding: 6px 12px; font-size: 13px; }

/* Tables */
table.data { width: 100%; border-collapse: collapse; background: #fff; }
table.data th, table.data td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); }
table.data th { background: var(--surface); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--muted); }
table.data tr:hover td { background: var(--surface); }

/* Badges + pills */
.badge { display: inline-block; padding: 2px 8px; border-radius: 99px; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.4px; }
.badge-member  { background: #E8F0E8; color: #2E7D4F; }
.badge-leader  { background: #FFF1D6; color: #B8860B; }
.badge-staff   { background: #DCE6F2; color: #3A6EA5; }
.badge-visitor { background: #EEE; color: #555; }
.badge-attendee { background: var(--surface); color: var(--secondary); border: 1px solid var(--border); }

/* Flash */
.flash { padding: 12px 16px; border-radius: var(--radius); margin-bottom: 12px; border: 1px solid transparent; }
.flash-success { background: #E8F5EE; border-color: #BFDFCC; color: #1F5938; }
.flash-error,
.flash-danger  { background: #FAE5E8; border-color: #E8C3C8; color: #7C1F2D; }
.flash-warning { background: #FFF6DD; border-color: #ECDFA8; color: #6E5300; }
.flash-info    { background: #E4ECF6; border-color: #BFD0E8; color: #234471; }

/* Auth pages */
.auth-shell { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; background: linear-gradient(135deg, var(--secondary), var(--primary)); }
.auth-card { background: #fff; padding: 32px 28px; border-radius: 12px; max-width: 400px; width: 100%; box-shadow: 0 12px 40px rgba(0,0,0,0.25); }
.auth-card .brand { justify-content: center; flex-direction: column; gap: 6px; margin-bottom: 18px; color: var(--secondary); text-align: center; }
.auth-card .brand img { height: 56px; }
.auth-card .brand-text { font-size: 16px; font-weight: 700; }
.otp-input { letter-spacing: 8px; text-align: center; font-size: 22px; font-family: monospace; }

/* Misc */
.muted { color: var(--muted); }
.text-right { text-align: right; }
.text-center { text-align: center; }
.row-actions { display: flex; gap: 6px; }
hr.sep { border: none; border-top: 1px solid var(--border); margin: 18px 0; }
.empty { padding: 32px; text-align: center; color: var(--muted); }