/* ── Reset ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --bg:        #0d1117;
  --bg2:       #161b25;
  --bg3:       #1e2736;
  --bg4:       #252f42;
  --border:    #2a3347;
  --border2:   #374157;
  --text:      #e8edf5;
  --text2:     #8899bb;
  --text3:     #4a5a78;
  --accent:    #00d68f;
  --accent2:   #00b87a;
  --accent-bg: rgba(0,214,143,.08);
  --accent-b:  rgba(0,214,143,.2);
  --red:       #f87171;
  --red-bg:    rgba(248,113,113,.08);
  --amber:     #fbbf24;
  --amber-bg:  rgba(251,191,36,.08);
  --blue:      #60a5fa;
  --blue-bg:   rgba(96,165,250,.08);
  --r:         10px;
  --rlg:       16px;
  --rxl:       20px;
}

html,body{height:100%;background:var(--bg);color:var(--text);font-family:'Segoe UI',system-ui,sans-serif;font-size:15px;line-height:1.6}

/* ════════════════════════════════════════
   LAYOUT
════════════════════════════════════════ */
.app-shell{display:flex;flex-direction:column;min-height:100vh}

/* ── Sidebar ── */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;
  width:220px;
  background:var(--bg2);
  border-right:1px solid var(--border);
  display:flex;flex-direction:column;
  z-index:100;
  transition:transform .25s;
}

.sidebar-logo{
  padding:24px 20px 20px;
  border-bottom:1px solid var(--border);
}

.sidebar-logo .logo-box{
  width:38px;height:38px;
  background:var(--accent);
  border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:10px;
}

.sidebar-logo h1{
  font-size:1.05rem;font-weight:900;
  letter-spacing:.1em;text-transform:uppercase;color:#fff;
  line-height:1;
}

.sidebar-logo h1 span{color:var(--accent)}
.sidebar-logo p{font-size:10px;color:var(--text3);letter-spacing:.05em;margin-top:3px}

.sidebar-nav{flex:1;padding:16px 10px;overflow-y:auto}

.nav-section-label{
  font-size:9px;font-weight:700;letter-spacing:.1em;
  text-transform:uppercase;color:var(--text3);
  padding:0 10px;margin:16px 0 6px;
}

.nav-section-label:first-child{margin-top:0}

.nav-item{
  display:flex;align-items:center;gap:10px;
  padding:9px 12px;
  border-radius:8px;
  cursor:pointer;
  font-size:13px;font-weight:500;color:var(--text2);
  border:none;background:none;width:100%;text-align:left;
  transition:all .15s;
  position:relative;
}

.nav-item:hover{background:var(--bg3);color:var(--text)}

.nav-item.active{
  background:var(--accent-bg);
  color:var(--accent);
  border:1px solid var(--accent-b);
}

.nav-item .nav-icon{
  width:16px;height:16px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;
}

.sidebar-footer{
  padding:16px;border-top:1px solid var(--border);
  font-size:11px;color:var(--text3);
}

/* ── Main content ── */
.main-content{
  margin-left:220px;
  flex:1;
  display:flex;flex-direction:column;
  min-height:100vh;
}

/* ── Topbar ── */
.topbar{
  height:60px;
  background:var(--bg2);
  border-bottom:1px solid var(--border);
  display:flex;align-items:center;
  padding:0 24px;
  gap:12px;
  position:sticky;top:0;z-index:50;
}

.topbar-search{
  flex:1;max-width:480px;
  display:flex;align-items:center;gap:8px;
  background:var(--bg3);
  border:1px solid var(--border);
  border-radius:10px;
  padding:0 14px;
  height:38px;
  transition:border-color .15s;
}

.topbar-search:focus-within{border-color:var(--accent)}
.topbar-search svg{color:var(--text3);flex-shrink:0}

.topbar-search input{
  flex:1;background:none;border:none;outline:none;
  color:var(--text);font-size:13px;font-family:monospace;
}

.topbar-search input::placeholder{color:var(--text3)}

.topbar-badge{
  font-size:11px;padding:3px 10px;border-radius:20px;
  font-weight:600;letter-spacing:.04em;white-space:nowrap;
}

.topbar-badge.ip    {background:var(--accent-bg);color:var(--accent);border:1px solid var(--accent-b)}
.topbar-badge.domain{background:var(--blue-bg);color:var(--blue);border:1px solid rgba(96,165,250,.25)}
.topbar-badge.bad   {background:var(--red-bg);color:var(--red);border:1px solid rgba(248,113,113,.25)}

.btn-go{
  height:38px;padding:0 18px;
  background:var(--accent);border:none;
  border-radius:10px;color:#0d1117;
  font-size:13px;font-weight:700;cursor:pointer;
  transition:background .15s,transform .1s;
  white-space:nowrap;
}

.btn-go:hover{background:var(--accent2)}
.btn-go:active{transform:scale(.97)}
.btn-go:disabled{background:var(--bg3);color:var(--text3);cursor:not-allowed}

/* ── Page container ── */
.page-content{flex:1;padding:28px 28px 48px;max-width:1100px;width:100%}

/* ── Page header ── */
.page-head{margin-bottom:24px}
.page-head h2{font-size:1.1rem;font-weight:700;color:var(--text);letter-spacing:-.01em}
.page-head p{font-size:13px;color:var(--text3);margin-top:3px}

/* ════════════════════════════════════════
   HOME
════════════════════════════════════════ */
.home-greeting{text-align:center;padding:40px 0 32px}
.home-greeting h2{font-size:1.6rem;font-weight:800;color:var(--text);letter-spacing:-.02em;margin-bottom:6px}
.home-greeting p{color:var(--text3);font-size:14px}

.home-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}

.home-card{
  background:var(--bg2);border:1px solid var(--border);
  border-radius:var(--rlg);padding:20px;
  cursor:pointer;transition:all .2s;text-align:left;
}

.home-card:hover{border-color:var(--accent);background:var(--bg3);transform:translateY(-2px)}

.home-card-icon{
  width:40px;height:40px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;margin-bottom:12px;
}

.home-card h3{font-size:14px;font-weight:700;color:var(--text);margin-bottom:4px;text-transform:uppercase;letter-spacing:.05em}
.home-card p{font-size:12px;color:var(--text3);line-height:1.5}

/* ════════════════════════════════════════
   SHARED COMPONENTS
════════════════════════════════════════ */
.metrics{display:grid;grid-template-columns:repeat(auto-fill,minmax(155px,1fr));gap:10px;margin-bottom:16px}

.metric{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r);padding:14px}
.metric .lbl{font-size:10px;text-transform:uppercase;letter-spacing:.07em;color:var(--text3);font-weight:700;margin-bottom:5px}
.metric .val{font-size:13px;font-weight:600;font-family:monospace;word-break:break-all;color:var(--text)}
.val.v-green{color:var(--accent)} .val.v-red{color:var(--red)} .val.v-amber{color:var(--amber)} .val.v-blue{color:var(--blue)}

.sec{font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);font-weight:700;margin:20px 0 8px;display:flex;align-items:center;gap:8px}
.sec::after{content:'';flex:1;height:1px;background:var(--border)}

.record{display:flex;align-items:flex-start;gap:10px;padding:8px 0;border-bottom:1px solid var(--border);font-size:13px}
.record:last-child{border-bottom:none}
.rec-type{font-size:10px;font-weight:700;letter-spacing:.05em;background:var(--accent-bg);color:var(--accent);border:1px solid var(--accent-b);padding:3px 8px;border-radius:6px;min-width:52px;text-align:center;flex-shrink:0}
.rec-val{font-family:monospace;font-size:12px;flex:1;word-break:break-all;color:var(--text)}
.rec-ttl{color:var(--text3);font-size:11px;white-space:nowrap;font-family:monospace}

.err-box{background:var(--red-bg);border:1px solid rgba(248,113,113,.25);color:var(--red);border-radius:var(--r);padding:12px 16px;font-size:13px;font-family:monospace}

.loading-row{display:flex;align-items:center;gap:10px;color:var(--text2);font-size:13px;padding:2rem 0;font-family:monospace}
.spin{width:16px;height:16px;border:2px solid var(--border2);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite;flex-shrink:0}
@keyframes spin{to{transform:rotate(360deg)}}

.nota{font-size:11px;color:var(--text3);font-style:italic;margin-top:8px}
.nota a{color:var(--accent);text-decoration:none}
.nota a:hover{text-decoration:underline}

.map-link{display:inline-flex;align-items:center;gap:5px;font-size:13px;color:var(--accent);text-decoration:none;margin-top:8px}

/* WHOIS */
.whois-wrap{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r);padding:16px}
.whois-row{display:flex;gap:12px;padding:7px 0;border-bottom:1px solid var(--border);font-size:13px}
.whois-row:last-child{border-bottom:none}
.whois-key{color:var(--text3);font-size:11px;text-transform:uppercase;letter-spacing:.05em;font-weight:700;min-width:130px;flex-shrink:0}
.whois-val{font-family:monospace;font-size:12px;word-break:break-all;color:var(--text)}
.whois-raw{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r);padding:14px;font-family:monospace;font-size:11px;color:var(--text2);line-height:1.7;white-space:pre-wrap;max-height:320px;overflow-y:auto;display:none;margin-top:8px}
.btn-toggle{background:none;border:1px solid var(--border);color:var(--text2);font-size:12px;padding:5px 14px;border-radius:6px;cursor:pointer;transition:all .15s;margin-top:10px}
.btn-toggle:hover{border-color:var(--accent);color:var(--accent)}

/* Traceroute */
.trace-tbl{width:100%;border-collapse:collapse;font-family:monospace;font-size:12px}
.trace-tbl th{text-align:left;font-size:10px;text-transform:uppercase;letter-spacing:.06em;color:var(--text3);font-weight:700;padding:6px 8px;border-bottom:1px solid var(--border)}
.trace-tbl td{padding:7px 8px;border-bottom:1px solid var(--border);color:var(--text)}
.trace-tbl tr:last-child td{border-bottom:none}
.trace-tbl td.hop{color:var(--text3);width:28px}
.trace-tbl td.tip{color:var(--accent)}
.trace-tbl td.host{color:var(--text2);font-size:11px}
.trace-tbl td.rtt{color:var(--amber);text-align:right}

/* cURL */
.status-pill{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;padding:8px 16px;border-radius:8px;font-family:monospace}
.status-pill.ok   {background:var(--accent-bg);color:var(--accent);border:1px solid var(--accent-b)}
.status-pill.redir{background:var(--amber-bg);color:var(--amber);border:1px solid rgba(251,191,36,.3)}
.status-pill.error{background:var(--red-bg);color:var(--red);border:1px solid rgba(248,113,113,.3)}
.headers-block{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r);padding:14px;font-family:monospace;font-size:12px;line-height:1.8;max-height:260px;overflow-y:auto;margin-top:8px}
.hk{color:var(--accent)} .hv{color:var(--text)} .hc{color:var(--text3)}
.body-prev{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r);padding:14px;font-size:13px;color:var(--text2);line-height:1.7;max-height:140px;overflow-y:auto;margin-top:8px}

/* ════════════════════════════════════════
   PROPAGATION PAGE
════════════════════════════════════════ */
.prop-search-row{display:flex;gap:8px;margin-bottom:20px}
.prop-search-row input{flex:1;height:42px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--r);color:var(--text);font-family:monospace;font-size:13px;padding:0 14px;outline:none;transition:border-color .15s}
.prop-search-row input:focus{border-color:var(--accent)}
.prop-search-row input::placeholder{color:var(--text3)}
.prop-type-sel{height:42px;background:var(--bg3);border:1px solid var(--border2);border-radius:var(--r);color:var(--text);font-size:13px;font-weight:600;padding:0 12px;outline:none;cursor:pointer}
.prop-type-sel:focus{border-color:var(--accent)}
.btn-prop{height:42px;padding:0 20px;background:var(--accent);border:none;border-radius:var(--r);color:#0d1117;font-size:13px;font-weight:700;cursor:pointer;white-space:nowrap;transition:background .15s}
.btn-prop:hover{background:var(--accent2)}

/* Progress card */
.prop-progress-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--rlg);padding:24px 28px;margin-bottom:20px}
.prop-progress-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:16px}
.prop-domain{font-size:13px;font-family:monospace;color:var(--accent);font-weight:600}
.prop-type-badge{font-size:11px;background:var(--bg3);color:var(--text2);border:1px solid var(--border2);padding:2px 8px;border-radius:6px;margin-left:6px;font-weight:600}
.prop-pct-big{font-size:2.4rem;font-weight:900;color:var(--accent);font-family:monospace;line-height:1}
.prop-pct-sub{font-size:12px;color:var(--text3);font-family:monospace}

.progress-track{position:relative;height:12px;background:var(--bg3);border-radius:12px;overflow:visible;margin:16px 0 10px}
.progress-fill{height:100%;border-radius:12px;transition:width .6s cubic-bezier(.4,0,.2,1),background .4s}
.threshold-pin{position:absolute;top:-8px;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;pointer-events:none}
.threshold-pin::before{content:'';width:2px;height:28px;background:var(--amber);opacity:.8;border-radius:2px}
.threshold-pin-label{font-size:10px;font-weight:700;color:var(--amber);font-family:monospace;white-space:nowrap;margin-top:2px}

.prop-stats-bar{display:flex;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text2)}
.prop-stat-val{color:var(--accent);font-weight:700;font-family:monospace}

/* Notif card */
.notif-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--rlg);overflow:hidden;margin-bottom:20px}
.notif-card-hd{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;cursor:pointer;user-select:none;transition:background .15s}
.notif-card-hd:hover{background:var(--bg3)}
.notif-card-title{font-size:13px;font-weight:600;color:var(--text2);display:flex;align-items:center;gap:8px}
.notif-active-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);display:none}
.notif-card-body{border-top:1px solid var(--border);padding:20px}
.notif-cols{display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media(max-width:640px){.notif-cols{grid-template-columns:1fr}}
.notif-col-label{font-size:10px;text-transform:uppercase;letter-spacing:.07em;color:var(--text3);font-weight:700;margin-bottom:10px}
.range-row{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.range-row input[type=range]{flex:1;accent-color:var(--accent)}
.range-val{font-size:1.2rem;font-weight:700;color:var(--accent);font-family:monospace;min-width:48px}
.preset-btns{display:flex;gap:6px;flex-wrap:wrap}
.preset-btn{background:var(--bg3);border:1px solid var(--border2);color:var(--text2);font-size:12px;font-weight:600;padding:4px 10px;border-radius:6px;cursor:pointer;transition:all .15s}
.preset-btn:hover,.preset-btn.on{border-color:var(--accent);color:var(--accent);background:var(--accent-bg)}
.notif-options{display:flex;flex-direction:column;gap:10px;margin-top:4px}
.notif-opt{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text2);cursor:pointer}
.notif-opt input[type=checkbox]{accent-color:var(--accent);width:14px;height:14px}
select.interval-sel{width:100%;height:36px;background:var(--bg3);border:1px solid var(--border2);border-radius:8px;color:var(--text);font-size:13px;padding:0 10px;outline:none;margin-bottom:10px}
select.interval-sel:focus{border-color:var(--accent)}
.notif-btns{display:flex;align-items:center;gap:10px;padding-top:16px;border-top:1px solid var(--border);flex-wrap:wrap}
.btn-start-mon{display:flex;align-items:center;gap:6px;background:var(--accent);border:none;color:#0d1117;font-size:13px;font-weight:700;padding:8px 18px;border-radius:8px;cursor:pointer;transition:background .15s}
.btn-start-mon:hover{background:var(--accent2)}
.btn-stop-mon{display:flex;align-items:center;gap:6px;background:var(--red-bg);border:1px solid rgba(248,113,113,.3);color:var(--red);font-size:13px;font-weight:700;padding:8px 18px;border-radius:8px;cursor:pointer}
.mon-status{font-size:12px;font-family:monospace;color:var(--text3)}
.mon-status.on{color:var(--accent)}

/* Filter row */
.filter-row{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:16px}
.filter-btn{background:var(--bg2);border:1px solid var(--border);color:var(--text2);font-size:12px;font-weight:600;padding:5px 14px;border-radius:20px;cursor:pointer;transition:all .15s}
.filter-btn:hover,.filter-btn.on{border-color:var(--accent);color:var(--accent);background:var(--accent-bg)}

/* Region header */
.region-hd{font-size:10px;text-transform:uppercase;letter-spacing:.09em;color:var(--accent);font-weight:700;margin:20px 0 8px;display:flex;align-items:center;gap:8px}
.region-hd::after{content:'';flex:1;height:1px;background:var(--border)}

/* Server grid */
.srv-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:8px}

.srv-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r);padding:12px 14px;display:flex;gap:12px;align-items:flex-start;border-left:3px solid transparent;transition:border-color .2s}
.srv-card.ok  {border-left-color:var(--accent)}
.srv-card.fail{border-left-color:var(--border2);opacity:.75}
.srv-card.err {border-left-color:rgba(248,113,113,.3);opacity:.5}
.srv-flag{font-size:20px;line-height:1;flex-shrink:0;margin-top:3px}
.srv-body{flex:1;min-width:0}
.srv-name{font-size:13px;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.srv-city{font-size:11px;color:var(--text3)}
.srv-ips{margin-top:5px;display:flex;flex-direction:column;gap:1px}
.srv-ip{font-family:monospace;font-size:12px;color:var(--accent);font-weight:500}
.srv-ip.muted{color:var(--text3)}
.srv-chk{flex-shrink:0;margin-top:3px}
.chk{width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center}
.chk.ok  {background:rgba(0,214,143,.12);color:var(--accent)}
.chk.fail{background:rgba(248,113,113,.1);color:var(--red)}
.chk.err {background:var(--bg3);color:var(--text3)}

/* Toast */
.prop-toast{background:var(--bg2);border:1px solid rgba(0,214,143,.4);border-radius:var(--r);padding:14px 18px;margin-bottom:16px;display:flex;align-items:center;gap:10px;animation:fadein .3s ease}
@keyframes fadein{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}
.prop-toast svg{color:var(--accent);flex-shrink:0}
.prop-toast-msg{font-size:13px;font-weight:600;color:var(--text);flex:1}
.btn-refresh{display:inline-flex;align-items:center;gap:6px;background:var(--bg2);border:1px solid var(--border);color:var(--text2);font-size:13px;font-weight:600;padding:8px 18px;border-radius:8px;cursor:pointer;transition:all .15s;margin-top:16px}
.btn-refresh:hover{border-color:var(--accent);color:var(--accent)}

/* ════════════════════════════════════════
   MOBILE
════════════════════════════════════════ */
.hamburger{display:none;background:none;border:none;color:var(--text2);cursor:pointer;padding:8px;flex-shrink:0}

@media(max-width:768px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:translateX(0)}
  .main-content{margin-left:0}
  .hamburger{display:flex}
  .page-content{padding:16px 16px 40px}
  .topbar{padding:0 12px}
  .metrics{grid-template-columns:1fr 1fr}
  .srv-grid{grid-template-columns:1fr}
}