/* ── Design Tokens ── */
:root {
  --bg: #06070c;
  --card: #0b0d15;
  --card2: #10121c;
  --border: #161a2b;
  --border2: #1d2238;
  --accent: #0099ff;
  --cyan: #00d4ff;
  --green: #00e87b;
  --orange: #ff8c42;
  --red: #ff4757;
  --purple: #a855f7;
  --t1: #e0e4f0;
  --t2: #7b83a6;
  --t3: #3e4468;
  --sans: 'Inter', -apple-system, system-ui, sans-serif;
  --mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
  --r: 8px;
  --g: 10px;
}

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

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--t1);
  height: 100vh;
  overflow: hidden;
  display: grid;
  grid-template-rows: 48px 1fr 148px;
  gap: var(--g);
  padding: var(--g);
}

/* ── Header ── */
#header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r);
}

.hdr-left { display: flex; align-items: center; gap: 8px; }

.logo-title {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 2.5px;
  color: var(--accent);
}

.logo-sep { color: var(--t3); margin: 0 2px; font-weight: 300; }

.logo-sub {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--t2);
  font-weight: 300;
}

.hdr-stats { display: flex; gap: 28px; }
.hdr-s { display: flex; flex-direction: column; align-items: center; gap: 1px; }

.hdr-v {
  font-family: var(--mono);
  font-size: 16px;
  font-weight: 500;
  color: var(--t1);
  transition: color 0.3s;
}

.hdr-l {
  font-size: 8px;
  font-weight: 600;
  letter-spacing: 1.8px;
  color: var(--t3);
}

.hdr-right { display: flex; align-items: center; gap: 14px; }

/* API Badge */
.api-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 1px;
  border: 1px solid var(--border);
  color: var(--t3);
  transition: all 0.4s;
}

.api-badge.on { border-color: rgba(0, 232, 123, 0.3); color: var(--green); }
.api-badge.off { border-color: rgba(255, 71, 87, 0.3); color: var(--red); }

.api-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--t3);
  transition: all 0.4s;
}

.api-badge.on .api-dot { background: var(--green); box-shadow: 0 0 8px rgba(0, 232, 123, 0.5); }
.api-badge.off .api-dot { background: var(--red); box-shadow: 0 0 8px rgba(255, 71, 87, 0.5); }

.clock {
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 300;
  color: var(--t1);
  letter-spacing: 1.5px;
  min-width: 75px;
  text-align: right;
}

/* ── Panels ── */
.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.ph {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 12px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.ph-t {
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 2.5px;
  color: var(--t3);
}

.ph-b {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  padding: 1px 7px;
  border-radius: 3px;
  background: rgba(0, 153, 255, 0.08);
}

.pb { flex: 1; overflow: hidden; padding: 6px 8px; }
.scroll-y { overflow-y: auto; }
.scroll-y::-webkit-scrollbar { width: 3px; }
.scroll-y::-webkit-scrollbar-track { background: transparent; }
.scroll-y::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 2px; }

/* ── Main Grid ── */
#main {
  display: grid;
  grid-template-columns: 270px 1fr 295px;
  gap: var(--g);
  min-height: 0;
}

/* Center: Map + Mobile split */
#p-center {
  display: grid;
  grid-template-rows: 1fr 130px;
  gap: var(--g);
  min-height: 0;
}

/* ── Bottom Grid (Feed + Judge) ── */
#p-bottom {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: var(--g);
  min-height: 0;
}

/* ── Map ── */
#map { flex: 1; }

/* ── Mobile Stats Panel ── */
.mob-row {
  display: grid;
  grid-template-columns: 1fr 100px 30px;
  align-items: center;
  gap: 8px;
  padding: 3px 8px;
  font-family: var(--mono);
  font-size: 10px;
}

.mob-isp {
  color: var(--t2);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mob-bar-wrap {
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.mob-bar {
  height: 100%;
  background: var(--orange);
  border-radius: 2px;
  transition: width 0.6s ease;
}

.mob-count {
  color: var(--orange);
  text-align: right;
  font-weight: 500;
}

.mapboxgl-popup-content {
  background: var(--card2) !important;
  color: var(--t1) !important;
  font-family: var(--mono) !important;
  font-size: 11px !important;
  padding: 6px 10px !important;
  border-radius: 4px !important;
  border: 1px solid var(--border2) !important;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5) !important;
}

.mapboxgl-popup-tip { border-top-color: var(--card2) !important; }
.mapboxgl-popup-anchor-bottom .mapboxgl-popup-tip { border-top-color: var(--card2) !important; }
.mapboxgl-popup-anchor-top .mapboxgl-popup-tip { border-bottom-color: var(--card2) !important; }

/* ── Worker Cards ── */
.wc {
  padding: 10px 11px;
  border-radius: 6px;
  border: 1px solid var(--border);
  margin-bottom: 7px;
  transition: border-color 0.4s, opacity 0.4s;
  background: var(--card2);
}

.wc.on { border-color: var(--border2); }
.wc.off { border-color: rgba(255, 71, 87, 0.25); opacity: 0.5; }

.wc.api-card {
  border-color: rgba(0, 153, 255, 0.2);
  background: linear-gradient(135deg, var(--card2), rgba(0, 153, 255, 0.03));
}

.worker-sep {
  font-family: var(--mono);
  font-size: 8px;
  font-weight: 500;
  letter-spacing: 2px;
  color: var(--t3);
  padding: 6px 4px 4px;
}

.wc-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 5px;
}

.wc-name {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 7px;
}

.wc-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.wc-dot.on { background: var(--green); box-shadow: 0 0 8px rgba(0, 232, 123, 0.5); }
.wc-dot.off { background: var(--red); box-shadow: 0 0 6px rgba(255, 71, 87, 0.4); }

.wc-tag {
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 1px;
  padding: 2px 6px;
  border-radius: 3px;
}

.wc-tag.idle { color: var(--green); background: rgba(0, 232, 123, 0.08); }
.wc-tag.busy { color: var(--orange); background: rgba(255, 140, 66, 0.08); }

.wc-spec {
  font-family: var(--mono);
  font-size: 9.5px;
  color: var(--t3);
  margin-bottom: 8px;
  line-height: 1.4;
}

/* Metric bars */
.m {
  display: grid;
  grid-template-columns: 34px 1fr 40px;
  align-items: center;
  gap: 6px;
  margin-bottom: 3px;
}

.m-l {
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 1.2px;
  color: var(--t3);
}

.m-bar {
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.m-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 1s cubic-bezier(0.4, 0, 0.2, 1), background 0.4s;
  background: var(--accent);
}

.m-fill.w { background: var(--orange); }
.m-fill.d { background: var(--red); }

.m-v {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--t2);
  text-align: right;
}

/* Worker footer */
.wc-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 7px;
  padding-top: 6px;
  border-top: 1px solid var(--border);
}

.wc-i {
  font-family: var(--mono);
  font-size: 9.5px;
  color: var(--t3);
  display: flex;
  align-items: center;
  gap: 3px;
}

.wc-i .v { color: var(--t2); }
.wc-i .g { color: var(--green); }
.wc-i .r { color: var(--red); }

.wc-jobs {
  margin-top: 6px;
  padding: 5px 7px;
  background: rgba(255, 140, 66, 0.05);
  border: 1px solid rgba(255, 140, 66, 0.12);
  border-radius: 4px;
}

.wc-job {
  font-family: var(--mono);
  font-size: 9.5px;
  color: var(--orange);
  display: flex;
  justify-content: space-between;
}

/* ── Sessions Overview ── */
.ss-over {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.ss-s { text-align: center; padding: 2px 0; }

.ss-v {
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 500;
}

.ss-k {
  font-size: 8px;
  font-weight: 600;
  letter-spacing: 1.5px;
  color: var(--t3);
  margin-top: 1px;
}

/* Session items */
.si {
  display: grid;
  grid-template-columns: 26px 1fr auto;
  gap: 7px;
  align-items: center;
  padding: 5px 6px;
  border-radius: 4px;
  transition: background 0.2s;
}

.si:hover { background: rgba(255, 255, 255, 0.02); }

.si-av {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border);
  background: var(--card2);
}

.si-info { min-width: 0; }

.si-n {
  font-size: 11.5px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: flex;
  align-items: center;
  gap: 5px;
}

.si-d {
  font-family: var(--mono);
  font-size: 9.5px;
  color: var(--t3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.si-meta { text-align: right; flex-shrink: 0; }

.si-t {
  font-family: var(--mono);
  font-size: 9.5px;
  color: var(--t3);
}

.si-tag {
  font-family: var(--mono);
  font-size: 8px;
  font-weight: 500;
  letter-spacing: 0.5px;
  padding: 1px 4px;
  border-radius: 2px;
  display: inline-block;
  margin-top: 1px;
}

.si-tag.mob { color: var(--orange); background: rgba(255, 140, 66, 0.1); }
.si-tag.fix { color: var(--cyan); background: rgba(0, 212, 255, 0.08); }

/* Online indicator */
.si-online {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.si-online.on {
  background: var(--green);
  box-shadow: 0 0 6px rgba(0, 232, 123, 0.5);
}

.si-online.off {
  background: var(--t3);
  opacity: 0.4;
}

/* Admin badge */
.admin-tag {
  font-family: var(--mono);
  font-size: 8px;
  font-weight: 500;
  color: var(--accent);
  background: rgba(0, 153, 255, 0.1);
  padding: 0 4px;
  border-radius: 2px;
  flex-shrink: 0;
}

/* ── Feed ── */
#p-feed { min-height: 0; }

.feed-status {
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 1px;
  padding: 1px 6px;
  border-radius: 3px;
  color: var(--t3);
  background: rgba(62, 68, 104, 0.15);
}

.feed-status.sse {
  color: var(--green);
  background: rgba(0, 232, 123, 0.1);
}

.feed-live {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 1.5px;
  color: var(--green);
}

.pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 2.5s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0, 232, 123, 0.35); }
  50% { opacity: 0.6; box-shadow: 0 0 0 5px rgba(0, 232, 123, 0); }
}

.feed-body {
  flex: 1;
  overflow: hidden;
  padding: 4px 10px;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.fi {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  padding: 2px 0;
}

.fi-time { color: var(--t3); flex-shrink: 0; font-size: 10px; }

/* HTTP method tags */
.fi-method {
  flex-shrink: 0;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 1px 5px;
  border-radius: 2px;
  min-width: 36px;
  text-align: center;
}

.fi-method.GET { color: var(--cyan); background: rgba(0, 212, 255, 0.08); }
.fi-method.POST { color: var(--green); background: rgba(0, 232, 123, 0.08); }
.fi-method.PUT { color: var(--orange); background: rgba(255, 140, 66, 0.08); }
.fi-method.PATCH { color: var(--orange); background: rgba(255, 140, 66, 0.08); }
.fi-method.DELETE { color: var(--red); background: rgba(255, 71, 87, 0.08); }

.fi-path { color: var(--t2); flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* HTTP status */
.fi-status {
  flex-shrink: 0;
  font-size: 10px;
  font-weight: 500;
  min-width: 24px;
  text-align: center;
}

.fi-status.s2 { color: var(--green); }
.fi-status.s3 { color: var(--cyan); }
.fi-status.s4 { color: var(--orange); }
.fi-status.s5 { color: var(--red); }

.fi-dur { color: var(--t3); flex-shrink: 0; font-size: 10px; min-width: 38px; text-align: right; }
.fi-user { color: var(--accent); flex-shrink: 0; font-size: 10px; }

/* Fallback feed (session activity) */
.fi-type {
  flex-shrink: 0;
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.5px;
  padding: 1px 5px;
  border-radius: 2px;
}

.fi-type.new { color: var(--green); background: rgba(0, 232, 123, 0.08); }
.fi-type.act { color: var(--cyan); background: rgba(0, 212, 255, 0.06); }
.fi-type.job { color: var(--orange); background: rgba(255, 140, 66, 0.08); }

.fi-loc { color: var(--t2); }
.fi-dev { color: var(--t3); margin-left: auto; }

/* ── Judge Results ── */
.ji {
  display: grid;
  grid-template-columns: 38px 38px 1fr auto;
  gap: 6px;
  align-items: center;
  padding: 4px 8px;
  font-family: var(--mono);
  font-size: 10.5px;
  border-radius: 4px;
  transition: background 0.2s;
}

.ji:hover { background: rgba(255, 255, 255, 0.02); }

.ji-id { color: var(--t3); font-size: 10px; }

.ji-problem { color: var(--t2); font-weight: 500; }

.ji-mid {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.ji-user {
  color: var(--accent);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ji-lang { color: var(--t3); font-size: 9px; }

.ji-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.ji-verdict {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 1px 6px;
  border-radius: 2px;
}

.ji-verdict.ac { color: var(--green); background: rgba(0, 232, 123, 0.1); }
.ji-verdict.wa { color: var(--red); background: rgba(255, 71, 87, 0.1); }
.ji-verdict.tle { color: var(--orange); background: rgba(255, 140, 66, 0.1); }
.ji-verdict.re { color: var(--red); background: rgba(255, 71, 87, 0.1); }
.ji-verdict.ce { color: var(--purple); background: rgba(168, 85, 247, 0.1); }
.ji-verdict.se { color: var(--red); background: rgba(255, 71, 87, 0.1); }
.ji-verdict.pending { color: var(--t2); background: rgba(123, 131, 166, 0.08); }

.ji-perf { color: var(--t3); font-size: 9.5px; }
.ji-time { color: var(--t3); font-size: 9.5px; text-align: right; }

/* ── Utilities ── */
.c-green { color: var(--green); }
.c-orange { color: var(--orange); }
.c-red { color: var(--red); }
.c-cyan { color: var(--cyan); }
.c-accent { color: var(--accent); }