/* AMC — Ant2 Management Center — Cisco FMC-inspired theme */

:root {
  --bg-top:     #1a2540;
  --bg-sidebar: #0d1a2e;
  --bg-sub:     #162035;
  --bg-content: #f4f6f9;
  --bg-card:    #ffffff;
  --accent:     #ff6200;
  --accent2:    #0070d2;
  --text-light: #c8d6e8;
  --text-muted: #7a93b0;
  --border:     #e0e8f0;
  --success:    #27ae60;
  --danger:     #e74c3c;
  --warning:    #f39c12;
  --tbl-head:   #1e3a5f;
  --tbl-even:   #f8fafc;
  --font:       -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --mono:       'Courier New', Courier, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--font); font-size: 13px; background: var(--bg-content); color: #2c3e50; }

/* ── TOP BAR ── */
.topbar {
  background: var(--bg-top);
  height: 44px;
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 0;
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}
.topbar-brand {
  display: flex; align-items: center; gap: 8px;
  color: white; font-size: 15px; font-weight: 700;
  letter-spacing: 0.5px; text-decoration: none;
  padding-right: 24px;
  border-right: 1px solid rgba(255,255,255,0.15);
  margin-right: 8px;
}
.topbar-brand .logo-icon {
  width: 28px; height: 28px;
  background: var(--accent);
  border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 900; color: white;
}
.topbar-brand span { color: #fff; }
.topbar-brand em { color: var(--accent); font-style: normal; }

.topnav { display: flex; gap: 0; height: 100%; align-items: stretch; }
.topnav a {
  color: var(--text-light);
  text-decoration: none;
  font-size: 12px;
  font-weight: 500;
  padding: 0 14px;
  display: flex; align-items: center;
  border-bottom: 3px solid transparent;
  transition: all 0.15s;
  letter-spacing: 0.3px;
}
.topnav a:hover  { color: #fff; background: rgba(255,255,255,0.07); }
.topnav a.active { color: #fff; border-bottom-color: var(--accent); background: rgba(255,255,255,0.05); }

.topbar-right {
  margin-left: auto;
  display: flex; align-items: center; gap: 12px;
  color: var(--text-muted);
  font-size: 11px;
}
.topbar-right .badge-online {
  background: var(--success);
  color: #fff; border-radius: 10px;
  padding: 2px 8px; font-size: 10px; font-weight: 600;
}

/* ── LAYOUT ── */
.layout { display: flex; margin-top: 44px; min-height: calc(100vh - 44px); }

.sidebar {
  width: 200px;
  background: var(--bg-sidebar);
  position: fixed; top: 44px; left: 0; bottom: 0;
  overflow-y: auto;
  z-index: 90;
  border-right: 1px solid rgba(255,255,255,0.05);
}
.sidebar-section { padding: 16px 0 8px 0; }
.sidebar-label {
  color: var(--text-muted);
  font-size: 10px; font-weight: 700;
  letter-spacing: 1.2px; text-transform: uppercase;
  padding: 0 16px 6px;
}
.sidebar a {
  display: flex; align-items: center; gap: 10px;
  color: var(--text-light); text-decoration: none;
  padding: 8px 16px; font-size: 12px;
  border-left: 3px solid transparent;
  transition: all 0.15s;
}
.sidebar a:hover  { color: #fff; background: rgba(255,255,255,0.06); }
.sidebar a.active { color: #fff; background: rgba(255,255,255,0.08); border-left-color: var(--accent); }
.sidebar a .icon  { width: 16px; text-align: center; font-size: 13px; }

.main { margin-left: 200px; padding: 20px 24px; flex: 1; }

/* ── BREADCRUMB ── */
.breadcrumb {
  font-size: 11px; color: var(--text-muted); margin-bottom: 14px;
  display: flex; align-items: center; gap: 6px;
}
.breadcrumb a { color: var(--accent2); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb .sep { color: #aaa; }

/* ── PAGE HEADER ── */
.page-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.page-title { font-size: 18px; font-weight: 600; color: #1a2540; }
.page-subtitle { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 7px 14px; border-radius: 4px; font-size: 12px;
  font-weight: 500; cursor: pointer; border: none; text-decoration: none;
  transition: all 0.15s;
}
.btn-primary  { background: var(--accent2); color: #fff; }
.btn-primary:hover { background: #005ab3; }
.btn-orange   { background: var(--accent); color: #fff; }
.btn-orange:hover { background: #e05600; }
.btn-danger   { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #c0392b; }
.btn-ghost    { background: transparent; color: var(--text-muted); border: 1px solid var(--border); }
.btn-ghost:hover  { background: var(--bg-content); color: #333; }
.btn-sm { padding: 4px 10px; font-size: 11px; }

/* ── CARDS ── */
.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 6px; box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.card-header {
  background: var(--tbl-head); color: #fff;
  padding: 10px 14px; border-radius: 6px 6px 0 0;
  font-size: 12px; font-weight: 600; letter-spacing: 0.4px;
  display: flex; align-items: center; justify-content: space-between;
}
.card-body { padding: 14px; }

/* ── DEVICE GRID ── */
.device-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px; margin-top: 16px;
}
.device-card {
  background: #fff; border: 1px solid var(--border);
  border-radius: 6px; overflow: hidden;
  transition: box-shadow 0.15s, transform 0.15s;
}
.device-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.1); transform: translateY(-1px); }
.device-card.online  { border-top: 3px solid var(--success); }
.device-card.offline { border-top: 3px solid var(--danger);  }
.device-card-header {
  padding: 12px 14px;
  display: flex; align-items: flex-start; justify-content: space-between;
}
.device-name { font-weight: 600; font-size: 14px; color: #1a2540; }
.device-host { font-size: 11px; color: var(--text-muted); font-family: var(--mono); margin-top: 2px; }
.status-badge {
  font-size: 10px; font-weight: 700; padding: 3px 8px; border-radius: 10px;
  text-transform: uppercase; letter-spacing: 0.5px;
}
.status-online  { background: #e8f8ef; color: var(--success); }
.status-offline { background: #fdecea; color: var(--danger);  }
.status-unknown { background: #f5f5f5; color: #999; }
.device-card-body { padding: 10px 14px 14px; border-top: 1px solid #f0f4f8; }
.device-stat { display: flex; justify-content: space-between; font-size: 11px; padding: 3px 0; }
.device-stat .label { color: var(--text-muted); }
.device-stat .value { font-family: var(--mono); color: #2c3e50; font-weight: 500; }
.device-card-footer {
  padding: 8px 14px; background: #fafbfc;
  border-top: 1px solid var(--border);
  display: flex; gap: 6px;
}

/* ── TABLES ── */
.table-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 12px; }
thead th {
  background: var(--tbl-head); color: #fff;
  padding: 9px 12px; text-align: left; font-weight: 600;
  font-size: 11px; letter-spacing: 0.4px; white-space: nowrap;
}
tbody tr { border-bottom: 1px solid var(--border); }
tbody tr:hover { background: #f0f5ff; }
tbody tr:nth-child(even) { background: var(--tbl-even); }
tbody tr:nth-child(even):hover { background: #f0f5ff; }
td { padding: 8px 12px; vertical-align: middle; }
td.mono { font-family: var(--mono); font-size: 11px; }
td a { color: var(--accent2); text-decoration: none; }
td a:hover { text-decoration: underline; }

/* ── TABS ── */
.tabs { display: flex; gap: 0; border-bottom: 2px solid var(--border); margin-bottom: 16px; }
.tab {
  padding: 8px 16px; font-size: 12px; font-weight: 500;
  color: var(--text-muted); cursor: pointer; text-decoration: none;
  border-bottom: 2px solid transparent; margin-bottom: -2px;
  transition: all 0.15s;
}
.tab:hover  { color: #333; background: #f8f9fa; }
.tab.active { color: var(--accent2); border-bottom-color: var(--accent2); background: transparent; }

/* ── STATS BOXES ── */
.stat-row { display: flex; gap: 12px; margin-bottom: 18px; }
.stat-box {
  flex: 1; background: #fff; border: 1px solid var(--border);
  border-radius: 6px; padding: 14px 16px;
  border-top: 3px solid var(--accent2);
}
.stat-box.orange { border-top-color: var(--accent); }
.stat-box.green  { border-top-color: var(--success); }
.stat-box.red    { border-top-color: var(--danger); }
.stat-box .num   { font-size: 28px; font-weight: 700; color: #1a2540; line-height: 1; }
.stat-box .label { font-size: 11px; color: var(--text-muted); margin-top: 4px; }

/* ── FORMS ── */
.form-group { margin-bottom: 14px; }
.form-label { display: block; font-size: 12px; font-weight: 600; color: #333; margin-bottom: 4px; }
.form-input, .form-select {
  width: 100%; padding: 8px 10px; border: 1px solid var(--border);
  border-radius: 4px; font-size: 12px; font-family: var(--font);
  background: #fff;
  transition: border 0.15s;
}
.form-input:focus, .form-select:focus {
  outline: none; border-color: var(--accent2);
  box-shadow: 0 0 0 2px rgba(0,112,210,0.15);
}
.form-hint { font-size: 11px; color: var(--text-muted); margin-top: 3px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* ── ALERTS ── */
.alert { padding: 10px 14px; border-radius: 4px; font-size: 12px; margin-bottom: 14px; }
.alert-success { background: #e8f8ef; border: 1px solid #c3e6cb; color: #155724; }
.alert-error   { background: #fdecea; border: 1px solid #f5c6cb; color: #721c24; }
.alert-info    { background: #e8f0ff; border: 1px solid #b8d0ff; color: #004085; }

/* ── CODE / PRE ── */
pre.ruleset {
  background: #0d1a2e; color: #a8c7fa;
  font-family: var(--mono); font-size: 11px;
  padding: 14px; border-radius: 4px;
  overflow-x: auto; line-height: 1.5;
  max-height: 400px; overflow-y: auto;
}

/* ── TOOLBAR ── */
.toolbar {
  display: flex; align-items: center; gap: 6px; margin-bottom: 10px;
}
.toolbar-sep { width: 1px; height: 20px; background: var(--border); margin: 0 2px; }

/* ── INLINE FORM ── */
.inline-form { display: flex; gap: 6px; align-items: flex-end; }
.inline-form .form-group { margin-bottom: 0; flex: 1; }

/* ── EMPTY STATE ── */
.empty-state {
  text-align: center; padding: 48px 24px; color: var(--text-muted);
}
.empty-state .icon { font-size: 48px; margin-bottom: 12px; }
.empty-state p { font-size: 13px; }

/* ── BADGE STATE ── */
.badge-state {
  display: inline-block; padding: 2px 8px; border-radius: 3px;
  font-size: 11px; font-family: var(--mono); font-weight: 600;
}
.state-active   { background: #1a3a2a; color: #2ecc71; }
.state-inactive { background: #3a1a1a; color: #e74c3c; }

/* ── TAB BAR ── */
.tab-bar {
  display: flex; gap: 2px; border-bottom: 2px solid var(--border);
  margin-top: 16px; margin-bottom: 0; background: transparent;
}
.tab-bar .tab {
  padding: 8px 16px; font-size: 12px; font-weight: 600;
  color: var(--text-muted); text-decoration: none; border-radius: 4px 4px 0 0;
  border: 1px solid transparent; border-bottom: none; cursor: pointer;
  transition: color 0.15s, background 0.15s;
}
.tab-bar .tab:hover { color: #2c3e50; background: #edf2f7; }
.tab-bar .tab.active {
  color: var(--accent2); background: #fff;
  border-color: var(--border); border-bottom: 2px solid #fff;
  margin-bottom: -2px;
}

/* ── TAB TOOLBAR ── */
.tab-toolbar {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 0 8px; border-bottom: 1px solid var(--border); margin-bottom: 0;
}

/* ── INFO BOX ── */
.info-box {
  background: #0d1a2e; border: 1px solid #1e3a5f; border-radius: 6px;
  padding: 14px 16px; color: var(--text-light);
}
.info-box code {
  background: #162035; color: #7eb8d4; padding: 1px 5px;
  border-radius: 3px; font-family: var(--mono); font-size: 11px;
}

/* ── SECTION TITLE ── */
.section-title {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--text-muted); margin-bottom: 8px;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e0; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #a0aec0; }