/* ═══ Web-NMS Material Theme - Light & Dark Mode ═══ */
:root,[data-theme="light"]{
  --nms-font:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,'Noto Sans',sans-serif;
  --nms-bg:#f5f7fa;
  --nms-bg-glow1:rgba(63,81,181,.04);
  --nms-bg-glow2:rgba(156,39,176,.03);
  --nms-panel:rgba(255,255,255,.98);
  --nms-panel-solid:#ffffff;
  --nms-panel2:#fafafa;
  --nms-border:#e0e0e0;
  --nms-border-bright:#bdbdbd;
  --nms-text:#212121;
  --nms-muted:#757575;
  --nms-accent:#1976d2;
  --nms-accent-dim:rgba(25,118,210,.08);
  --nms-accent2:#7b1fa2;
  --nms-up:#2e7d32;
  --nms-down:#d32f2f;
  --nms-warn:#f57c00;
  --nms-grid:#e8eaf6;
  --nms-input:#ffffff;
  --nms-tip:#ffffff;
  --nms-chart-grid:#e0e0e0;
  --nms-chart-tick:#616161;
  --nms-chart-text:#212121;
  --nms-cy-label:#212121;
  --nms-cy-edge-bg:#ffffff;
  --nms-shadow:0 2px 4px rgba(0,0,0,.04),0 4px 8px rgba(0,0,0,.06);
  --bs-body-bg:var(--nms-bg);
  --bs-body-color:var(--nms-text);
  --bs-primary:#1976d2;
  --bs-border-color:var(--nms-border);
}
[data-theme="dark"]{
  --nms-bg:#121212;
  --nms-bg-glow1:rgba(144,202,249,.03);
  --nms-bg-glow2:rgba(206,147,216,.03);
  --nms-panel:rgba(30,30,30,.98);
  --nms-panel-solid:#1e1e1e;
  --nms-panel2:#252525;
  --nms-border:#333333;
  --nms-border-bright:#424242;
  --nms-text:#e0e0e0;
  --nms-muted:#9e9e9e;
  --nms-accent:#90caf9;
  --nms-accent-dim:rgba(144,202,249,.12);
  --nms-accent2:#ce93d8;
  --nms-up:#66bb6a;
  --nms-down:#ef5350;
  --nms-warn:#ffa726;
  --nms-grid:#2a2a2a;
  --nms-input:#1e1e1e;
  --nms-tip:#2d2d2d;
  --nms-chart-grid:#333333;
  --nms-chart-tick:#bdbdbd;
  --nms-chart-text:#e0e0e0;
  --nms-cy-label:#e0e0e0;
  --nms-cy-edge-bg:#1e1e1e;
  --nms-shadow:0 2px 4px rgba(0,0,0,.2),0 4px 8px rgba(0,0,0,.3);
  --bs-body-bg:var(--nms-bg);
  --bs-body-color:var(--nms-text);
  --bs-primary:#90caf9;
  --bs-border-color:var(--nms-border);
}

/* ═══ Topology canvas palette (theme-aware, used by the map + JS sprites) ═══ */
:root,[data-theme="light"]{
  --map-bg:#eef3f9;
  --map-bg2:#f8fafc;
  --map-grid:rgba(25,118,210,.14);
  --map-glow:rgba(25,118,210,.08);
  --map-panel:rgba(255,255,255,.9);
  --map-panel-border:rgba(15,23,42,.1);
  --map-text:#0f172a;
  --map-muted:#64748b;
  --map-node-bg:#ffffff;
  --map-node-bg2:#eef4fb;
  --map-ink:#0f172a;
  --map-ring:rgba(15,23,42,.16);
  --map-chip:#ffffff;
  --map-chip-border:rgba(15,23,42,.14);
  --map-speed:#0f172a;
  --map-up:#0f9d76;
  --map-warn:#b45309;
  --map-down:#dc2626;
  --map-unknown:#94a3b8;
  --map-accent:#1976d2;
  --map-link-low:#0891b2;
  --map-link-mid:#d97706;
  --map-link-high:#dc2626;
  --map-link-down:#dc2626;
  --map-rx:#b45309;
  --map-tx:#0369a1;
  --map-inset:rgba(15,23,42,.07);
  --map-shadow:0 18px 50px rgba(15,23,42,.14);
}
[data-theme="dark"]{
  --map-bg:#080d17;
  --map-bg2:#0c1424;
  --map-grid:rgba(125,160,210,.13);
  --map-glow:rgba(56,189,248,.1);
  --map-panel:rgba(9,15,27,.86);
  --map-panel-border:rgba(125,160,210,.16);
  --map-text:#e6eefc;
  --map-muted:#8294b3;
  --map-node-bg:#121b2e;
  --map-node-bg2:#0a1120;
  --map-ink:#e6eefc;
  --map-ring:rgba(148,163,184,.28);
  --map-chip:#16233a;
  --map-chip-border:rgba(125,160,210,.28);
  --map-speed:#dbeafe;
  --map-up:#34d399;
  --map-warn:#fbbf24;
  --map-down:#fb7185;
  --map-unknown:#64748b;
  --map-accent:#38bdf8;
  --map-link-low:#2dd4bf;
  --map-link-mid:#fbbf24;
  --map-link-high:#fb7185;
  --map-link-down:#fb7185;
  --map-rx:#fbbf24;
  --map-tx:#38bdf8;
  --map-inset:rgba(0,0,0,.38);
  --map-shadow:0 18px 50px rgba(0,0,0,.45);
}

body{background:var(--nms-bg);color:var(--nms-text);font-family:var(--nms-font)}
body::before{content:'';position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(900px 480px at 12% -6%,var(--nms-bg-glow1),transparent 60%),
             radial-gradient(1000px 520px at 88% -10%,var(--nms-bg-glow2),transparent 60%)}
h1,h2,h3,.page-title,.card-title,.navbar-brand{font-family:var(--nms-font);letter-spacing:.02em}
.page-wrapper{background:transparent}
.page-pretitle{color:var(--nms-accent);letter-spacing:.28em;font-size:.68rem;font-weight:600}
.page-title{text-shadow:0 0 22px var(--nms-accent-dim)}

/* ── Sidebar ── */
.navbar-vertical{background:var(--nms-panel)!important;border-right:1px solid var(--nms-border)!important;backdrop-filter:blur(10px)}
.navbar-brand span{background:linear-gradient(90deg,var(--nms-accent),var(--nms-accent2));-webkit-background-clip:text;background-clip:text;color:transparent!important;font-family:var(--nms-font)}
#nav-menu .nav-link{border-left:2px solid transparent;border-radius:0 8px 8px 0;color:var(--nms-muted);font-weight:600;letter-spacing:.05em}
#nav-menu .nav-link:hover{color:var(--nms-accent);background:var(--nms-accent-dim)}
#nav-menu .nav-link.active{color:var(--nms-accent)!important;background:linear-gradient(90deg,var(--nms-accent-dim),transparent);border-left-color:var(--nms-accent);box-shadow:inset 0 0 18px var(--nms-accent-dim);text-shadow:0 0 12px var(--nms-accent-dim)}
.btn-theme{border:1px solid var(--nms-border);color:var(--nms-muted)}
.btn-theme:hover{color:var(--nms-accent);border-color:var(--nms-accent);box-shadow:0 0 12px var(--nms-accent-dim)}

/* ── Minimal icon-rail sidebar (desktop only; mobile top bar untouched) ── */
@media (min-width:992px){
  aside.navbar-vertical.navbar-expand-lg{width:4rem}
  .navbar-expand-lg.navbar-vertical~.page-wrapper{margin-left:4rem}
  aside.navbar-vertical .container-fluid{padding-left:.4rem;padding-right:.4rem}
  aside.navbar-vertical .navbar-brand{display:none}
  #nav-menu{width:100%}
  #nav-menu .nav-item{width:100%}
  #nav-menu .nav-link{justify-content:center;padding-left:0;padding-right:0;border-left-width:3px}
  #nav-menu .nav-link-title{display:none}
  #nav-menu .nav-icon{margin:0}
  #sidebar-menu .mt-auto{padding-left:.4rem!important;padding-right:.4rem!important;align-items:center}
  #sidebar-menu .mt-auto .btn{font-size:0;padding-left:0;padding-right:0;justify-content:center}
  #sidebar-menu .mt-auto .btn i{font-size:1.05rem;margin:0!important}
  #sidebar-menu .mt-auto .btn .theme-name{display:none}
  #sidebar-menu .mt-auto .dropdown-toggle::after{display:none}
}

/* ── Cards / stats ── */
.card{background:var(--nms-panel);border:1px solid var(--nms-border);box-shadow:var(--nms-shadow);backdrop-filter:blur(8px)}
.card-header{border-bottom:1px solid var(--nms-border)}
.stat-card{transition:transform .15s,box-shadow .15s;position:relative;overflow:hidden}
.stat-card::after{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--nms-accent),transparent);opacity:.7}
.stat-card:hover{transform:translateY(-2px);box-shadow:0 0 24px var(--nms-accent-dim),var(--nms-shadow)}
.stat-value{font-size:2rem;font-weight:700;line-height:1;font-family:var(--nms-font)}
.stat-label{font-size:.75rem;text-transform:uppercase;letter-spacing:.18em;opacity:.75;color:var(--nms-muted)}

.status-dot{width:10px;height:10px;border-radius:50%;display:inline-block;margin-right:6px}
.status-dot.up{background:var(--nms-up);box-shadow:0 0 8px var(--nms-up)}
.status-dot.down{background:var(--nms-down);box-shadow:0 0 8px var(--nms-down)}
.status-dot.warning{background:var(--nms-warn);box-shadow:0 0 8px var(--nms-warn)}
.status-dot.unknown{background:var(--nms-muted)}

.device-icon{width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;font-size:1rem;border:1px solid var(--nms-border)}
.device-icon.router{background:rgba(47,179,68,.14);color:var(--nms-up)}
.device-icon.switch{background:rgba(0,229,255,.12);color:var(--nms-accent)}
.device-icon.server{background:rgba(245,159,0,.14);color:var(--nms-warn)}
.device-icon.wireless_ap{background:rgba(124,138,255,.14);color:var(--nms-accent2)}
.device-icon.firewall{background:rgba(255,77,94,.14);color:var(--nms-down)}
.device-icon.printer{background:rgba(125,141,176,.16);color:var(--nms-muted)}
.device-icon.ont{background:rgba(32,201,151,.14);color:#20c997}
.device-icon.generic{background:rgba(125,141,176,.16);color:var(--nms-muted)}

.bulk-device-list{display:flex;flex-direction:column;gap:2px;max-height:52vh;overflow-y:auto}
.bulk-device-row{display:flex;align-items:center;gap:10px;padding:7px 10px;border:1px solid transparent;border-radius:8px;cursor:pointer;margin:0}
.bulk-device-row:hover{background:var(--nms-surface-2, rgba(125,141,176,.08));border-color:var(--nms-border)}
.bulk-device-row .device-icon{width:28px;height:28px;font-size:.8rem;flex-shrink:0}
.bulk-device-row.is-on-map{cursor:default;opacity:.6}
.bulk-device-row.is-on-map:hover{background:transparent;border-color:transparent}

#page-content-container{transition:none}
#page-content-container.full-width{max-width:none!important;width:100%!important;padding:0!important;overflow-x:clip}
#page-content-container.full-width #page-content{max-width:none!important;width:100%;padding:0!important}

.topology-wrapper{display:flex;flex-direction:column;gap:0;margin-top:0;height:calc(100vh - 48px);height:calc(100dvh - 48px);min-height:520px}
.topology-wrapper .topo-toolbar{padding:8px 16px;display:flex;justify-content:space-between;align-items:center;gap:12px;background:var(--map-panel);border-bottom:1px solid var(--map-panel-border);backdrop-filter:blur(14px)}
.topo-brand{display:flex;align-items:center;gap:12px;min-width:0}
.topo-live{display:inline-flex;align-items:center;gap:6px;font-family:'SF Mono','Fira Code',monospace;font-size:.62rem;font-weight:700;letter-spacing:.14em;color:var(--map-up);border:1px solid color-mix(in srgb,var(--map-up) 35%,transparent);background:color-mix(in srgb,var(--map-up) 10%,transparent);border-radius:999px;padding:3px 8px;white-space:nowrap}
.topo-live .pulse{width:6px;height:6px;border-radius:50%;background:var(--map-up);box-shadow:0 0 0 0 var(--map-up);animation:topoPulse 2.2s infinite}
.topo-live.offline{color:var(--map-down);border-color:color-mix(in srgb,var(--map-down) 35%,transparent);background:color-mix(in srgb,var(--map-down) 10%,transparent)}
.topo-live.offline .pulse{background:var(--map-down);box-shadow:none;animation:none}
@keyframes topoPulse{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--map-up) 55%,transparent)}70%{box-shadow:0 0 0 6px transparent}100%{box-shadow:0 0 0 0 transparent}}
.topo-select{width:260px;max-width:42vw;height:38px;padding-top:4px;padding-bottom:4px;background:var(--map-chip)!important;border-color:var(--map-chip-border)!important;color:var(--map-text)!important;font-weight:600;font-size:.85rem}
.topo-brand .btn{height:38px;padding-top:4px;padding-bottom:4px;border-color:var(--map-chip-border);background:var(--map-chip);color:var(--map-text);font-size:.8rem;font-weight:600}
.topo-brand .btn:hover{border-color:var(--map-accent);color:var(--map-accent)}
.topo-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.topo-actions .btn{border-color:var(--map-panel-border);background:var(--map-chip);color:var(--map-text)}
.topo-actions .btn:hover{border-color:var(--map-accent);color:var(--map-accent)}
.topo-count{font-family:'SF Mono','Fira Code',monospace;font-size:.6rem;font-weight:700;letter-spacing:.14em;color:var(--map-muted);white-space:nowrap}

.topology-container{position:relative;z-index:0;width:100%;height:100%;min-height:420px;border:none;border-radius:0;overflow:hidden;background-color:var(--map-bg);background-image:
  radial-gradient(1100px 600px at 18% -8%,var(--map-glow),transparent 62%),
  radial-gradient(900px 520px at 92% 108%,var(--map-glow),transparent 58%),
  radial-gradient(var(--map-grid) 1.1px,transparent 1.1px);
  background-size:auto,auto,24px 24px;box-shadow:inset 0 0 140px var(--map-inset)}
.topo-legend{position:absolute;left:14px;bottom:14px;z-index:11;display:flex;align-items:center;gap:12px;padding:7px 11px;border:1px solid var(--map-panel-border);border-radius:9px;background:var(--map-panel);backdrop-filter:blur(12px);box-shadow:var(--map-shadow);font-size:.68rem;font-weight:600;letter-spacing:.04em;color:var(--map-muted);pointer-events:none;user-select:none}
.topo-legend .tl-key{display:inline-flex;align-items:center;gap:5px;white-space:nowrap}
.topo-legend .tl-title{font-family:'SF Mono','Fira Code',monospace;font-size:.58rem;letter-spacing:.16em;text-transform:uppercase;color:var(--map-muted);opacity:.8}
.tl-dot{width:7px;height:7px;border-radius:50%;display:inline-block;box-shadow:0 0 8px currentColor}
.tl-dot.up{background:var(--map-up);color:var(--map-up)}
.tl-dot.warn{background:var(--map-warn);color:var(--map-warn)}
.tl-dot.down{background:var(--map-down);color:var(--map-down)}
.tl-grad{width:58px;height:5px;border-radius:99px;background:linear-gradient(90deg,var(--map-link-low),var(--map-link-mid),var(--map-link-high))}
.topo-zoom{position:absolute;right:14px;bottom:14px;z-index:12;display:flex;align-items:center;gap:2px;padding:4px;border:1px solid var(--map-panel-border);border-radius:10px;background:var(--map-panel);backdrop-filter:blur(12px);box-shadow:var(--map-shadow)}
.topo-zoom .btn{width:30px;height:30px;padding:0;display:inline-flex;align-items:center;justify-content:center;border:0;background:transparent;color:var(--map-muted);border-radius:7px;font-size:1rem}
.topo-zoom .btn:hover{background:var(--map-chip);color:var(--map-accent)}
.topo-zoom-pct{min-width:42px;text-align:center;font-family:'SF Mono','Fira Code',monospace;font-size:.64rem;font-weight:700;color:var(--map-muted);letter-spacing:.04em}
#topo-wrap{position:relative;flex:1 1 auto;min-height:0}
@media (max-width:991.98px){
  /* Horizontal navbar adds a 56px header; keep the map inside the viewport. */
  .topology-wrapper{height:calc(100vh - 104px);height:calc(100dvh - 104px);min-height:0}
  .topology-container{min-height:0}
}
@media (max-width:767px){
  .topo-live{display:none}
  .topo-legend{display:none}
}
@media (max-width:575.98px){
  .topo-count{display:none}
}

.chart-container{position:relative;height:250px;width:100%}

.tool-output{font-family:'SF Mono','Fira Code',monospace;font-size:.8rem;background:var(--nms-input);border:1px solid var(--nms-border);border-radius:6px;padding:12px;max-height:400px;overflow-y:auto;white-space:pre-wrap;word-break:break-all;color:var(--nms-text)}

.traceroute-hop{display:flex;align-items:center;gap:12px;padding:6px 0;border-bottom:1px solid var(--nms-border)}
.hop-num{width:30px;text-align:right;font-weight:600;color:var(--nms-muted)}
.hop-ip{font-family:monospace;min-width:140px}
.hop-bar{flex:1;height:6px;background:var(--nms-border);border-radius:3px;overflow:hidden}
.hop-bar-fill{height:100%;background:linear-gradient(90deg,var(--nms-up),var(--nms-accent));border-radius:3px;transition:width .3s}

.port-open{color:var(--nms-up)}.port-closed{color:var(--nms-down)}.port-filtered{color:var(--nms-warn)}

.table th{font-size:.75rem;text-transform:uppercase;letter-spacing:.12em;color:var(--nms-muted)}
.table{--bs-table-bg:transparent;--bs-table-color:var(--nms-text)}
.form-control,.form-select{background:var(--nms-input);border-color:var(--nms-border);color:var(--nms-text)}
.form-control:focus,.form-select:focus{background:var(--nms-input);border-color:var(--nms-accent);box-shadow:0 0 0 .2rem var(--nms-accent-dim);color:var(--nms-text)}

.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background-color:var(--nms-bg);background-image:linear-gradient(var(--nms-grid) 1px,transparent 1px),linear-gradient(90deg,var(--nms-grid) 1px,transparent 1px);background-size:44px 44px}
.login-card{width:380px;background:var(--nms-panel);border:1px solid var(--nms-border-bright);border-radius:12px;padding:40px;box-shadow:0 0 44px var(--nms-accent-dim),var(--nms-shadow)}

.map-node-palette{position:absolute;top:14px;right:14px;z-index:14;background:var(--map-panel);border:1px solid var(--map-panel-border);border-radius:10px;padding:10px;display:none;backdrop-filter:blur(12px);box-shadow:var(--map-shadow)}
.map-node-palette.visible{display:block}
.palette-item{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--map-panel-border);border-radius:7px;margin:2px;cursor:pointer;transition:background .15s,border-color .15s}
.palette-item:hover{background:var(--map-chip);border-color:var(--map-accent)}

.live-indicator{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--nms-accent);box-shadow:0 0 8px var(--nms-accent);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}

.toast{background:var(--nms-panel-solid);border:1px solid var(--nms-border-bright);color:var(--nms-text)}

.log-entry{font-family:'SF Mono',monospace;font-size:.8rem;padding:4px 8px;border-bottom:1px solid var(--nms-border)}
.log-entry.severity-critical{border-left:3px solid var(--nms-down)}
.log-entry.severity-warning{border-left:3px solid var(--nms-warn)}
.log-entry.severity-info{border-left:3px solid var(--nms-accent2)}

.tpm-menu{position:absolute;z-index:60;min-width:210px;max-width:260px;background:var(--nms-tip);border:1px solid var(--nms-border-bright);border-radius:8px;padding:5px;box-shadow:0 10px 28px rgba(0,0,0,.55)}
.tpm-item{display:flex;align-items:center;gap:8px;width:100%;text-align:left;background:transparent;border:0;color:var(--nms-text);padding:7px 10px;border-radius:6px;font-size:.85rem;cursor:pointer}
.tpm-item:hover{background:var(--nms-accent);color:#fff}
.tpm-back{color:var(--nms-muted)}
.tpm-sep{height:1px;background:var(--nms-border);margin:5px 4px}
#node-tip{position:absolute;z-index:40;display:none;min-width:190px;max-width:260px;background:var(--map-panel);border:1px solid var(--map-chip-border);border-radius:10px;padding:9px 11px;font-size:13px;line-height:1.55;color:var(--map-text);box-shadow:var(--map-shadow);backdrop-filter:blur(14px);pointer-events:none}
#link-tip{position:absolute;z-index:41;display:none;width:1280px;max-width:calc(100% - 8px);background:var(--map-panel);border:1px solid var(--map-chip-border);border-radius:10px;padding:10px 12px;font-size:13px;line-height:1.55;color:var(--map-text);box-shadow:var(--map-shadow);backdrop-filter:blur(14px);pointer-events:none}
#link-tip canvas{width:100%!important;height:520px!important}
.tpm-form{padding:4px}
.tpm-form input,.tpm-form select{width:100%;margin-bottom:6px;background:var(--nms-input);border:1px solid var(--nms-border-bright);color:var(--nms-text);border-radius:6px;padding:6px 8px;font-size:.85rem;box-sizing:border-box}

::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--nms-border-bright);border-radius:5px}
::-webkit-scrollbar-thumb:hover{background:var(--nms-accent)}