/* ── Variables ─────────────────────────────────────────────────────────────── */
:root {
  --bg:            #0d1b2a;
  --sidebar-bg:    #112240;
  --card-bg:       #172a45;
  --border:        #1d3557;
  --accent:        #4a90e2;
  --accent-hover:  #357abd;
  --text:          #ccd6f6;
  --text-muted:    #8892b0;
  --success:       #28c76f;
  --danger:        #ea5455;
  --warning:       #ff9f43;
  --info:          #00cfe8;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', sans-serif;
  font-size: 14px;
}

/* ── Scrollbar ─────────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track  { background: var(--bg); }
::-webkit-scrollbar-thumb  { background: var(--border); border-radius: 3px; }

/* ── Navbar ────────────────────────────────────────────────────────────────── */
.top-navbar {
  height: 56px;
  background: var(--sidebar-bg);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 20px;
  position: sticky;
  top: 0;
  z-index: 100;
  gap: 12px;
}
.top-navbar .brand {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 0.5px;
}
.top-navbar .brand span { color: var(--text); }
.top-navbar .spacer { flex: 1; }
.top-navbar .user-info { color: var(--text-muted); font-size: 13px; }
.top-navbar .user-info strong { color: var(--text); }

/* ── Layout ────────────────────────────────────────────────────────────────── */
.layout {
  display: flex;
  height: calc(100vh - 56px);
}

/* ── Sidebar ───────────────────────────────────────────────────────────────── */
.sidebar {
  width: 220px;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  flex-shrink: 0;
  padding: 12px 0;
}
.sidebar .nav-section {
  padding: 8px 16px 4px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
}
.sidebar .nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: var(--text-muted);
  text-decoration: none;
  border-radius: 0;
  transition: all 0.15s;
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  font-size: 14px;
}
.sidebar .nav-link:hover { background: rgba(74,144,226,0.1); color: var(--text); }
.sidebar .nav-link.active { background: rgba(74,144,226,0.15); color: var(--accent); border-right: 3px solid var(--accent); }
.sidebar .nav-link i { width: 18px; text-align: center; }

/* ── Content ───────────────────────────────────────────────────────────────── */
.main-content {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
}

/* ── Stat cards ────────────────────────────────────────────────────────────── */
.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.stat-card .stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.stat-card .stat-icon.blue   { background: rgba(74,144,226,0.15);  color: var(--accent); }
.stat-card .stat-icon.green  { background: rgba(40,199,111,0.15);  color: var(--success); }
.stat-card .stat-icon.red    { background: rgba(234,84,85,0.15);   color: var(--danger); }
.stat-card .stat-icon.orange { background: rgba(255,159,67,0.15);  color: var(--warning); }
.stat-card .stat-icon.teal   { background: rgba(0,207,232,0.15);   color: var(--info); }
.stat-card .stat-num  { font-size: 28px; font-weight: 700; color: var(--text); line-height: 1; }
.stat-card .stat-lbl  { font-size: 12px; color: var(--text-muted); margin-top: 3px; }

/* ── Cards ─────────────────────────────────────────────────────────────────── */
.panel-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.panel-card .card-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
  gap: 10px;
}
.panel-card .card-body {
  padding: 16px 20px;
}

/* ── Tables ────────────────────────────────────────────────────────────────── */
.tbl-wrap { overflow-x: auto; }
table.guardian-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.guardian-table th {
  padding: 10px 14px;
  text-align: left;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.guardian-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  vertical-align: middle;
}
.guardian-table tr:last-child td { border-bottom: none; }
.guardian-table tr:hover td { background: rgba(255,255,255,0.02); }
.guardian-table .mono { font-family: monospace; font-size: 12px; color: var(--accent); }

/* ── Badges ────────────────────────────────────────────────────────────────── */
.badge-status {
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  display: inline-block;
}
.badge-status.active   { background: rgba(40,199,111,0.15);  color: var(--success); }
.badge-status.expired  { background: rgba(234,84,85,0.15);   color: var(--danger); }
.badge-status.expiring { background: rgba(255,159,67,0.15);  color: var(--warning); }
.badge-status.inactive { background: rgba(136,146,176,0.15); color: var(--text-muted); }

/* ── Botones ───────────────────────────────────────────────────────────────── */
.btn-primary-g {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  transition: background 0.15s;
}
.btn-primary-g:hover  { background: var(--accent-hover); }
.btn-icon {
  width: 30px; height: 30px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}
.btn-icon.edit   { background: rgba(74,144,226,0.15);  color: var(--accent); }
.btn-icon.del    { background: rgba(234,84,85,0.15);   color: var(--danger); }
.btn-icon.credit { background: rgba(40,199,111,0.15);  color: var(--success); }
.btn-icon.renew  { background: rgba(255,159,67,0.15);  color: var(--warning); }
.btn-icon.kill   { background: rgba(234,84,85,0.15);   color: var(--danger); }
.btn-icon:hover  { filter: brightness(1.2); }

/* ── Forms ─────────────────────────────────────────────────────────────────── */
.form-group { margin-bottom: 14px; }
.form-group label { display: block; margin-bottom: 5px; font-size: 13px; color: var(--text-muted); }
.form-control-g {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 12px;
  border-radius: 6px;
  font-size: 13px;
  outline: none;
  transition: border-color 0.15s;
}
.form-control-g:focus  { border-color: var(--accent); }
.form-control-g option { background: var(--bg); }

/* ── Modal ─────────────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 16px;
}
.modal-overlay.hidden { display: none; }
.modal-box {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
  font-size: 15px;
}
.modal-header .modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  line-height: 1;
}
.modal-header .modal-close:hover { color: var(--text); }
.modal-body { padding: 20px; }
.modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

/* ── Alerts ────────────────────────────────────────────────────────────────── */
.alert-box { margin-bottom: 16px; }
.alert-msg {
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.alert-msg.success { background: rgba(40,199,111,0.12);  border: 1px solid rgba(40,199,111,0.3);  color: var(--success); }
.alert-msg.danger  { background: rgba(234,84,85,0.12);   border: 1px solid rgba(234,84,85,0.3);   color: var(--danger); }
.alert-msg.info    { background: rgba(74,144,226,0.12);  border: 1px solid rgba(74,144,226,0.3);  color: var(--accent); }

/* ── Login page ────────────────────────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
}
.login-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px 36px;
  width: 100%;
  max-width: 380px;
}
.login-logo {
  text-align: center;
  margin-bottom: 28px;
}
.login-logo .logo-icon {
  font-size: 40px;
  color: var(--accent);
  margin-bottom: 8px;
}
.login-logo h1 { font-size: 20px; font-weight: 700; margin: 0; }
.login-logo p  { font-size: 12px; color: var(--text-muted); margin: 4px 0 0; }
.btn-login {
  width: 100%;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 11px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
  margin-top: 6px;
}
.btn-login:hover { background: var(--accent-hover); }
.btn-login:disabled { opacity: 0.6; cursor: not-allowed; }

/* ── Credits badge ─────────────────────────────────────────────────────────── */
.credits-pill {
  background: rgba(40,199,111,0.15);
  color: var(--success);
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

/* ── Empty state ───────────────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
}
.empty-state i { font-size: 32px; margin-bottom: 10px; display: block; }

/* ── Page title ────────────────────────────────────────────────────────────── */
.page-title {
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 20px;
  color: var(--text);
}

/* ── Logout btn ────────────────────────────────────────────────────────────── */
.btn-logout {
  background: rgba(234,84,85,0.12);
  border: 1px solid rgba(234,84,85,0.3);
  color: var(--danger);
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-logout:hover { background: rgba(234,84,85,0.2); }

/* ── Responsive ────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar { width: 52px; }
  .sidebar .nav-link span { display: none; }
  .sidebar .nav-section   { display: none; }
  .main-content { padding: 16px; }
}