* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, "Segoe UI", Tahoma, "Vazirmatn", sans-serif;
  background: #0f1218;
  color: #e5e7eb;
  min-height: 100vh;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 28px;
  background: #161a22;
  border-bottom: 1px solid #232833;
}

.brand { font-weight: 700; font-size: 18px; color: #fff; }

.topbar nav a {
  color: #9ca3af;
  text-decoration: none;
  margin-inline-start: 20px;
  font-size: 14px;
  transition: color .15s;
}
.topbar nav a:hover { color: #fff; }
.topbar nav a.logout { color: #f87171; }

.container { max-width: 1100px; margin: 0 auto; padding: 28px 20px; }

.alert {
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 14px;
}
.alert-success { background: #0f3d2e; color: #6ee7b7; border: 1px solid #14532d; }
.alert-error { background: #3d1418; color: #fca5a5; border: 1px solid #7f1d1d; }

/* Login */
.login-wrap { display: flex; justify-content: center; align-items: center; min-height: 80vh; }
.login-card {
  background: #161a22;
  border: 1px solid #232833;
  border-radius: 16px;
  padding: 40px;
  width: 340px;
  text-align: center;
}
.login-card h1 { font-size: 22px; margin-bottom: 6px; color: #fff; }
.login-card .sub { color: #9ca3af; font-size: 13px; margin-bottom: 24px; }
.login-card input {
  width: 100%;
  padding: 12px 14px;
  margin-bottom: 12px;
  border-radius: 8px;
  border: 1px solid #2b3140;
  background: #0f1218;
  color: #fff;
  font-size: 14px;
}
.login-card button {
  width: 100%;
  padding: 12px;
  border-radius: 8px;
  border: none;
  background: #6366f1;
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  margin-top: 8px;
}
.login-card button:hover { background: #4f46e5; }

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 24px;
}
.stat-card {
  background: #161a22;
  border: 1px solid #232833;
  border-radius: 12px;
  padding: 18px;
  text-align: center;
}
.stat-num { font-size: 26px; font-weight: 700; color: #fff; }
.stat-label { font-size: 12px; color: #9ca3af; margin-top: 4px; }
.stat-card.active .stat-num { color: #6ee7b7; }
.stat-card.warn .stat-num { color: #fbbf24; }
.stat-card.muted .stat-num { color: #6b7280; }

/* Panel card */
.panel-card {
  background: #161a22;
  border: 1px solid #232833;
  border-radius: 14px;
  padding: 22px;
}
.panel-card.narrow { max-width: 560px; margin: 0 auto; }
.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}
.panel-header h2 { color: #fff; font-size: 18px; }

/* Table */
.user-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.user-table th {
  text-align: right;
  color: #9ca3af;
  font-weight: 600;
  padding: 10px 8px;
  border-bottom: 1px solid #232833;
}
.user-table td { padding: 10px 8px; border-bottom: 1px solid #1c212b; }
.user-table a { color: #a5b4fc; text-decoration: none; }
.row-expired { background: rgba(248, 113, 113, 0.05); }
.row-revoked { opacity: 0.5; }
.empty { text-align: center; color: #6b7280; padding: 30px; }

.badge {
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 11px;
  background: #232833;
  color: #d1d5db;
}

.tag { padding: 2px 8px; border-radius: 6px; font-size: 11px; margin-inline-start: 6px; }
.tag-ok { background: #0f3d2e; color: #6ee7b7; }
.tag-warn { background: #3d2e0f; color: #fbbf24; }
.tag-danger { background: #3d1418; color: #fca5a5; }
.tag-muted { background: #232833; color: #9ca3af; }

.actions { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.inline-form { display: inline-flex; gap: 4px; align-items: center; }
.mini-input { width: 55px; padding: 4px; border-radius: 6px; border: 1px solid #2b3140; background: #0f1218; color: #fff; font-size: 12px; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid #2b3140;
  background: #1c212b;
  color: #e5e7eb;
  text-decoration: none;
  font-size: 13px;
  cursor: pointer;
}
.btn:hover { background: #232833; }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-primary { background: #6366f1; border-color: #6366f1; color: #fff; }
.btn-primary:hover { background: #4f46e5; }
.btn-secondary { background: #1c212b; }
.btn-danger { background: #7f1d1d; border-color: #7f1d1d; color: #fca5a5; }
.btn-danger:hover { background: #991b1b; }

/* Form */
.form-grid { display: flex; flex-direction: column; gap: 14px; }
.form-grid label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: #9ca3af; }
.form-grid input, .form-grid select {
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid #2b3140;
  background: #0f1218;
  color: #fff;
  font-size: 14px;
}

/* Detail page */
.detail-grid { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; font-size: 14px; }
.cred-box {
  background: #0f1218;
  border: 1px solid #232833;
  border-radius: 10px;
  padding: 16px;
  margin-top: 14px;
}
.cred-box h3 { color: #fff; font-size: 14px; margin-bottom: 8px; }
.cred-table { width: 100%; font-size: 13px; }
.cred-table td { padding: 6px 0; border-bottom: 1px solid #1c212b; }
.cred-table td:first-child { color: #9ca3af; width: 120px; }

@media (max-width: 640px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .user-table { display: block; overflow-x: auto; }
}