:root {
  --bg: #0f172a;
  --surf: #1e293b;
  --bd: rgba(148, 163, 184, 0.2);
  --tx: #f1f5f9;
  --txm: #94a3b8;
  --p: #0d9488;
  --danger: #ef4444;
}

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

body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  background: var(--bg);
  color: var(--tx);
  min-height: 100vh;
}

.hidden { display: none !important; }

/* Login */
#login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.login-card {
  background: var(--surf);
  border: 1.5px solid var(--bd);
  border-radius: 16px;
  padding: 36px;
  max-width: 400px;
  width: 100%;
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
}

.login-card h1 { font-size: 22px; font-weight: 800; margin-bottom: 6px; }
.login-card .sub { font-size: 13px; color: var(--txm); margin-bottom: 24px; }
.login-card input {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--bd);
  border-radius: 10px;
  background: rgba(15, 23, 42, 0.6);
  color: var(--tx);
  font-size: 14px;
  margin-bottom: 12px;
  outline: none;
}
.login-card input:focus { border-color: var(--p); }
.login-card .err { color: var(--danger); font-size: 12px; margin-bottom: 12px; min-height: 20px; }
.login-card .btn { width: 100%; padding: 12px; margin-top: 8px; }

/* Buttons */
.btn {
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}
.btn.primary {
  background: linear-gradient(135deg, #0d9488, #0f766e);
  color: #fff;
}
.btn.primary:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(13, 148, 136, 0.4); }
.btn.ghost {
  background: transparent;
  color: var(--txm);
  border: 1px solid var(--bd);
}
.btn.ghost:hover { color: var(--tx); border-color: var(--txm); }
.btn.danger { background: var(--danger); color: #fff; }
.btn.danger:hover { filter: brightness(1.1); }
.btn.small { padding: 6px 12px; font-size: 12px; }

/* Dashboard */
.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  border-bottom: 1px solid var(--bd);
  background: var(--surf);
}
.admin-header h1 { font-size: 18px; font-weight: 700; }
.header-actions { display: flex; align-items: center; gap: 12px; }
#admin-email { font-size: 13px; color: var(--txm); }

.admin-main { padding: 24px; max-width: 1200px; margin: 0 auto; }
.section { margin-bottom: 32px; }
.section h2 { font-size: 16px; font-weight: 700; margin-bottom: 16px; color: var(--txm); text-transform: uppercase; letter-spacing: 0.05em; }
.toolbar { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; align-items: center; }
.search-input {
  padding: 10px 14px;
  border: 1px solid var(--bd);
  border-radius: 10px;
  background: rgba(15, 23, 42, 0.6);
  color: var(--tx);
  font-size: 14px;
  min-width: 220px;
  outline: none;
}
.search-input:focus { border-color: var(--p); }
.search-input::placeholder { color: var(--txm); }

/* Table */
.table-wrap { overflow-x: auto; border: 1px solid var(--bd); border-radius: 12px; background: var(--surf); }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--bd); }
.data-table th { font-size: 11px; font-weight: 600; color: var(--txm); text-transform: uppercase; letter-spacing: 0.05em; }
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: rgba(13, 148, 136, 0.05); }
.badge { display: inline-block; padding: 4px 10px; border-radius: 6px; font-size: 12px; font-weight: 600; }
.badge.ok { background: rgba(34, 197, 94, 0.2); color: #22c55e; }
.badge.blocked { background: rgba(239, 68, 68, 0.2); color: #ef4444; }
.badge.expired { background: rgba(234, 179, 8, 0.2); color: #eab308; }
.actions-cell { display: flex; gap: 8px; }

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 24px;
}
.modal-content {
  background: var(--surf);
  border: 1px solid var(--bd);
  border-radius: 16px;
  padding: 24px;
  max-width: 440px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-content h3 { font-size: 16px; margin-bottom: 20px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 12px; font-weight: 600; color: var(--txm); margin-bottom: 6px; }
.form-group input { width: 100%; padding: 10px 12px; border: 1px solid var(--bd); border-radius: 8px; background: rgba(15, 23, 42, 0.6); color: var(--tx); font-size: 14px; }
.form-group.row { display: flex; align-items: center; }
.checkbox-label { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.checkbox-label input { width: auto; }
.modal-actions { display: flex; gap: 8px; margin-top: 24px; flex-wrap: wrap; }
.modal-actions .btn.danger { margin-left: auto; }