/* Network Diagram Generator - from lawrences-original-layout */
:root {
  --bg: #0b0e14;
  --surface: #111620;
  --surface2: #171d2b;
  --border: #1e2a3a;
  --border2: #243044;
  --accent: #00d4ff;
  --accent2: #0091b0;
  --green: #00e676;
  --amber: #ffb300;
  --red: #ff4444;
  --purple: #b47cff;
  --text: #c8d8e8;
  --text2: #6b8096;
  --text3: #8fa8bf;
  --mono: 'IBM Plex Mono', monospace;
  --sans: 'IBM Plex Sans', sans-serif;
}

/* Light theme (day mode) */
html.theme-light {
  /* Invert layout: content white, header/sidebar light gray */
  --bg: #ffffff;
  --surface: #f0f2f5;
  --surface2: #e8eaed;
  --border: #dadce0;
  --border2: #bdc1c6;
  --accent: #006d89;
  --accent2: #004d63;
  --green: #008e4a;
  --amber: #c48900;
  --red: #c62828;
  --purple: #7b52c7;
  --text: #1a1a2e;
  --text2: #5f6368;
  --text3: #3c4043;
}
html.theme-light tbody tr:hover { background: rgba(0,0,0,0.04); }
* { box-sizing: border-box; margin: 0; padding: 0; }
body { background: var(--bg); color: var(--text); font-family: var(--sans); font-size: 13px; min-height: 100vh; }

header { background: var(--surface); border-bottom: 1px solid var(--border); padding: 14px 24px; display: flex; align-items: center; gap: 20px; position: sticky; top: 0; z-index: 100; }
.logo { font-family: var(--mono); font-size: 11px; font-weight: 600; letter-spacing: 0.15em; color: var(--accent); text-transform: uppercase; white-space: nowrap; }
.logo span { color: var(--text2); }
header h1 { font-size: 13px; font-weight: 500; color: var(--text3); letter-spacing: 0.05em; }
.header-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.theme-toggle { background: transparent; border: 1px solid var(--border2); color: var(--text3); width: 36px; height: 32px; padding: 0; cursor: pointer; border-radius: 4px; display: flex; align-items: center; justify-content: center; font-size: 14px; transition: border-color 0.15s, color 0.15s; }
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }
.theme-toggle .theme-icon-light { display: none; }
.theme-toggle .theme-icon-dark { display: none; }
html:not(.theme-light) .theme-toggle .theme-icon-light { display: inline; }
html.theme-light .theme-toggle .theme-icon-dark { display: inline; }
.export-btn, .btn { background: transparent; border: 1px solid var(--border2); color: var(--text3); font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; padding: 6px 12px; cursor: pointer; transition: all 0.15s; text-transform: uppercase; text-decoration: none; display: inline-block; }
.export-btn:hover, .btn:hover { border-color: var(--accent); color: var(--accent); }
.btn-primary { background: rgba(0,212,255,0.15); border-color: var(--accent2); color: var(--accent); }
.btn-primary:hover { background: rgba(0,212,255,0.25); }

.btn-danger {
  border-color: var(--red);
  color: var(--red);
}

.btn-danger:hover {
  background: rgba(255,68,68,0.12);
  border-color: var(--red);
  color: var(--red);
}

.app { display: flex; height: calc(100vh - 53px); }
.sidebar { width: 220px; flex-shrink: 0; background: var(--surface); border-right: 1px solid var(--border); overflow-y: auto; padding: 16px 0; }
.sidebar-section { padding: 0 16px; margin-bottom: 20px; }
.sidebar-label { font-family: var(--mono); font-size: 9px; letter-spacing: 0.15em; color: var(--text2); text-transform: uppercase; margin-bottom: 8px; }
.site-btn, .nav-btn { display: flex; align-items: center; gap: 8px; width: 100%; padding: 8px 10px; background: transparent; border: 1px solid transparent; color: var(--text3); font-family: var(--sans); font-size: 12px; cursor: pointer; text-align: left; transition: all 0.12s; border-radius: 3px; margin-bottom: 2px; text-decoration: none; }
.nav-btn { border: none; color: var(--text2); }
.site-btn:hover, .nav-btn:hover { background: var(--surface2); color: var(--text); }
.site-btn.active, .nav-btn.active { background: rgba(0,212,255,0.08); border-color: rgba(0,212,255,0.25); color: var(--accent); }
.nav-btn.active { border: none; background: rgba(0,212,255,0.06); }
.main { flex: 1; overflow-y: auto; }

.overview, .search-panel, .site-detail, .compare-panel { padding: 24px; }
.overview-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 24px; }
.site-card { background: var(--surface); border: 1px solid var(--border); padding: 18px; transition: border-color 0.15s; cursor: pointer; text-decoration: none; color: inherit; display: block; }
.site-card:hover { border-color: var(--border2); }
.site-card-name { font-size: 14px; font-weight: 600; color: var(--text); }
.site-card-subnet { font-family: var(--mono); font-size: 10px; color: var(--text2); margin-bottom: 8px; }
.section-title { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; color: var(--text2); text-transform: uppercase; margin-bottom: 12px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }

.search-bar-wrap { position: relative; margin-bottom: 20px; }
.search-bar { width: 100%; background: var(--surface); border: 1px solid var(--border2); color: var(--text); font-family: var(--mono); font-size: 13px; padding: 10px 16px 10px 40px; outline: none; }
.search-bar:focus { border-color: var(--accent); }
.search-icon { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--text2); }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead th { background: var(--surface); padding: 8px 12px; text-align: left; font-family: var(--mono); font-size: 9px; letter-spacing: 0.12em; color: var(--text2); text-transform: uppercase; border-bottom: 1px solid var(--border); }
tbody tr { border-bottom: 1px solid rgba(30,42,58,0.5); }
tbody tr:hover { background: rgba(255,255,255,0.025); }
tbody td { padding: 7px 12px; font-family: var(--mono); font-size: 11px; }
.td-host { color: var(--text2); width: 55px; }
.td-ip { color: var(--accent); }
.td-site { width: 100px; }
.td-device { color: var(--text); }
.td-device a,
.td-port a {
  color: var(--accent);
  text-decoration: none;
}
.td-device a:hover,
.td-port a:hover {
  text-decoration: underline;
}

.td-device a.link-subtle,
.link-subtle {
  color: var(--text2);
  opacity: 0.82;
  text-decoration: none;
}
.td-device a.link-subtle:hover,
.link-subtle:hover {
  color: var(--accent);
  opacity: 1;
  text-decoration: underline;
}
.td-port { color: var(--amber); }

.table-filters {
  margin: 8px 0 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.table-filters .btn {
  padding: 4px 10px;
  font-size: 9px;
}

.filter-checkbox {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.filter-checkbox input[type="checkbox"] {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border: 1px solid var(--border2);
  background: var(--bg);
  border-radius: 2px;
  cursor: pointer;
  display: inline-block;
  position: relative;
}

.filter-checkbox input[type="checkbox"]:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 2px;
}

.filter-checkbox input[type="checkbox"]:checked {
  background: var(--accent2);
  border-color: var(--accent2);
}

.filter-checkbox input[type="checkbox"]::after {
  content: '';
  position: absolute;
  left: 3px;
  top: 1px;
  width: 6px;
  height: 9px;
  border: 2px solid var(--bg);
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
  opacity: 0;
}

.filter-checkbox input[type="checkbox"]:checked::after {
  opacity: 1;
}

.site-header { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; }
.site-header-name { font-size: 20px; font-weight: 600; }
.subnet-tag { font-family: var(--mono); font-size: 11px; color: var(--text2); background: var(--surface2); border: 1px solid var(--border); padding: 3px 10px; }
.back-btn { background: transparent; border: none; color: var(--text2); font-family: var(--sans); font-size: 12px; cursor: pointer; margin-bottom: 16px; padding: 0; display: inline-flex; align-items: center; gap: 5px; text-decoration: none; }
.back-btn:hover { color: var(--accent); }
.add-row { background: var(--surface); border: 1px solid var(--border); padding: 10px 16px; margin-bottom: 16px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.add-row input, .add-row select, .add-row label { background: var(--bg); border: 1px solid var(--border2); color: var(--text); font-family: var(--mono); font-size: 11px; padding: 5px 8px; outline: none; }
.add-row input:focus, .add-row select:focus { border-color: var(--accent); }
.add-label { font-family: var(--mono); font-size: 9px; color: var(--text2); text-transform: uppercase; letter-spacing: 0.1em; }

.view-tabs { display: flex; gap: 0; margin-bottom: 20px; border-bottom: 1px solid var(--border); }
.view-tab { background: transparent; border: none; border-bottom: 2px solid transparent; color: var(--text2); font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; padding: 8px 16px; cursor: pointer; text-transform: uppercase; text-decoration: none; margin-bottom: -1px; }
.view-tab:hover { color: var(--text3); }
.view-tab.active { color: var(--accent); border-bottom-color: var(--accent); }

.form-group { margin-bottom: 12px; }
.form-group label { display: block; font-size: 9px; color: var(--text2); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 4px; }
.form-group input, .form-group select, .form-group textarea { width: 100%; max-width: 400px; background: var(--bg); border: 1px solid var(--border2); color: var(--text); font-family: var(--mono); font-size: 12px; padding: 8px 10px; outline: none; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--accent); }
.form-actions { margin-top: 16px; display: flex; gap: 8px; }

.alert { padding: 12px 16px; margin-bottom: 16px; font-family: var(--mono); font-size: 11px; border: 1px solid; }
.alert-error { background: rgba(255,68,68,0.1); border-color: var(--red); color: var(--red); }
.alert-success { background: rgba(0,230,118,0.1); border-color: var(--green); color: var(--green); }

.toast { position: fixed; bottom: 20px; right: 20px; background: var(--surface2); border: 1px solid var(--border2); border-left: 3px solid var(--accent); padding: 10px 16px; font-family: var(--mono); font-size: 11px; color: var(--text); z-index: 999; opacity: 0; transform: translateY(8px); transition: all 0.2s; }
.toast.show { opacity: 1; transform: translateY(0); }
.empty-state { text-align: center; padding: 60px; color: var(--text2); font-family: var(--mono); font-size: 12px; }
.hidden { display: none !important; }

/* Site type slider (Site | ----●---- | Template) */
.site-type-slider {
  display: flex;
  align-items: center;
  gap: 12px;
}
.site-type-slider-label {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text2);
  font-weight: 500;
}
.site-type-slider-track {
  position: relative;
  width: 80px;
  height: 32px;
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: 16px;
  flex-shrink: 0;
}
.site-type-slider-track input[type="radio"] {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.site-type-slider-thumb {
  position: absolute;
  top: 4px;
  left: 4px;
  width: 28px;
  height: 22px;
  background: var(--accent2);
  border-radius: 11px;
  pointer-events: none;
  transition: left 0.2s ease;
}
.site-type-slider-track:has(#site_type_template:checked) .site-type-slider-thumb {
  left: calc(100% - 32px);
}
.site-type-slider-zone {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 50%;
  cursor: pointer;
  z-index: 1;
}
.site-type-slider-zone-left { left: 0; }
.site-type-slider-zone-right { right: 0; }

.wan-card { background: var(--surface); border: 1px solid var(--border2); border-left: 3px solid var(--accent2); padding: 12px 16px; margin-bottom: 12px; }
.wan-card-label { font-family: var(--mono); font-size: 9px; letter-spacing: 0.12em; color: var(--text2); text-transform: uppercase; margin-bottom: 4px; }
.wan-card-ip { font-family: var(--mono); font-size: 14px; color: var(--text); font-weight: 600; }

::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }