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

:root {
  --bg0: #0a0a0f;
  --bg1: #0d0d1a;
  --bg2: #16213e;
  --bg3: #1a1a2e;
  --card: rgba(22,33,62,0.85);
  --card-hover: rgba(30,44,80,0.95);
  --cyan: #00d4ff;
  --purple: #7b2ff7;
  --red: #ff3366;
  --green: #00ff88;
  --yellow: #ffd700;
  --text: #c8d8ff;
  --text-dim: #6a7a9a;
  --border: rgba(0,212,255,0.12);
  --border-hot: rgba(0,212,255,0.35);
  --glow-cyan: 0 0 12px rgba(0,212,255,0.4), 0 0 32px rgba(0,212,255,0.15);
  --glow-purple: 0 0 12px rgba(123,47,247,0.4);
  --glow-red: 0 0 12px rgba(255,51,102,0.5);
  --glow-green: 0 0 10px rgba(0,255,136,0.4);
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
  --font-cn: -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

html { font-size: 14px; scroll-behavior: smooth; }

body {
  background: linear-gradient(145deg, var(--bg0) 0%, var(--bg3) 60%, #0f0f23 100%);
  min-height: 100vh;
  color: var(--text);
  font-family: var(--font-mono);
  overflow-x: hidden;
  position: relative;
}

/* scanline effect */
.scanline {
  pointer-events: none;
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.04) 2px,
    rgba(0,0,0,0.04) 4px
  );
  z-index: 9999;
}

/* ── Header ───────────────────────────────────────────── */
.hdr {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 2rem;
  border-bottom: 1px solid var(--border-hot);
  background: rgba(10,10,20,0.92);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 30px rgba(0,212,255,0.08);
}

.hdr-left { display: flex; align-items: center; gap: 1rem; }

.hdr-icon {
  font-size: 2rem;
  filter: drop-shadow(var(--glow-cyan));
}

.hdr-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--cyan);
  text-shadow: var(--glow-cyan);
  letter-spacing: 2px;
  font-family: var(--font-cn);
}

.hdr-sub {
  font-size: 0.65rem;
  color: var(--text-dim);
  letter-spacing: 4px;
  display: block;
  margin-top: 2px;
}

.hdr-right { display: flex; align-items: center; gap: 1.5rem; }

.status-pill {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0,212,255,0.06);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 0.35rem 0.9rem;
  font-size: 0.75rem;
  letter-spacing: 1px;
}

.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  animation: pulse 2s infinite;
}
.dot-cyan   { background: var(--cyan);   box-shadow: var(--glow-cyan); }
.dot-red    { background: var(--red);    box-shadow: var(--glow-red); }
.dot-yellow { background: var(--yellow); box-shadow: 0 0 8px rgba(255,215,0,0.6); }
.dot-green  { background: var(--green);  box-shadow: var(--glow-green); }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

.clock {
  font-size: 0.9rem;
  color: var(--cyan);
  letter-spacing: 2px;
  text-shadow: var(--glow-cyan);
  min-width: 80px;
  text-align: right;
}

/* ── Layout ───────────────────────────────────────────── */
.layout {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

/* ── Section ──────────────────────────────────────────── */
.section {
  background: rgba(10,10,20,0.4);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}

.section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--purple), transparent);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.section-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 2px;
  font-family: var(--font-cn);
}

.accent {
  color: var(--cyan);
  text-shadow: var(--glow-cyan);
  margin-right: 0.5rem;
}

.refresh-btn {
  background: transparent;
  border: 1px solid var(--border-hot);
  color: var(--cyan);
  padding: 0.3rem 0.8rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  letter-spacing: 1px;
  transition: all 0.2s;
}
.refresh-btn:hover {
  background: rgba(0,212,255,0.1);
  box-shadow: var(--glow-cyan);
}

/* ── Bot Grid ─────────────────────────────────────────── */
.bot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.bot-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.2rem;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
  cursor: default;
}

.bot-card:hover {
  background: var(--card-hover);
  border-color: var(--border-hot);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,212,255,0.12);
}

.bot-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--purple));
  opacity: 0;
  transition: opacity 0.3s;
}
.bot-card:hover::after { opacity: 1; }

.bot-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 0.8rem;
}

.bot-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--cyan);
  text-shadow: 0 0 8px rgba(0,212,255,0.3);
  font-family: var(--font-cn);
}

.bot-codename {
  font-size: 0.65rem;
  color: var(--text-dim);
  letter-spacing: 2px;
  margin-top: 2px;
}

.bot-indicator {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.7rem;
}

.bot-model {
  font-size: 0.72rem;
  color: var(--purple);
  background: rgba(123,47,247,0.12);
  border: 1px solid rgba(123,47,247,0.25);
  border-radius: 4px;
  padding: 0.2rem 0.5rem;
  margin-bottom: 0.6rem;
  display: inline-block;
}

.bot-role {
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 1px;
  font-family: var(--font-cn);
}

.bot-lastseen {
  font-size: 0.68rem;
  color: var(--green);
  margin-top: 0.5rem;
  opacity: 0.8;
  font-family: var(--font-cn);
}

/* ── Cron Table ───────────────────────────────────────── */
.cron-table {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.cron-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr 1.5fr;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.85rem 1.2rem;
  transition: all 0.2s;
  gap: 1rem;
}

.cron-row:hover {
  border-color: var(--border-hot);
  background: var(--card-hover);
}

.cron-name {
  font-size: 0.85rem;
  font-family: var(--font-cn);
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cron-schedule {
  font-size: 0.78rem;
  color: var(--yellow);
  letter-spacing: 1px;
}

.cron-status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.72rem;
  padding: 0.2rem 0.6rem;
  border-radius: 12px;
  width: fit-content;
}

.status-success {
  background: rgba(0,255,136,0.1);
  border: 1px solid rgba(0,255,136,0.3);
  color: var(--green);
}
.status-failed, .status-error {
  background: rgba(255,51,102,0.1);
  border: 1px solid rgba(255,51,102,0.3);
  color: var(--red);
}
.status-unknown {
  background: rgba(106,122,154,0.1);
  border: 1px solid rgba(106,122,154,0.3);
  color: var(--text-dim);
}
.status-running {
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.3);
  color: var(--cyan);
}

.cron-time {
  font-size: 0.7rem;
  color: var(--text-dim);
  line-height: 1.6;
}

.cron-time span {
  display: block;
}

.cron-time .next {
  color: var(--cyan);
  opacity: 0.8;
}

/* ── Signal Feed ──────────────────────────────────────── */
.signal-filters {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 1.2rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 0.3rem 0.9rem;
  border-radius: 20px;
  cursor: pointer;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  transition: all 0.2s;
}

.filter-btn:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.filter-btn.active {
  background: rgba(0,212,255,0.12);
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: var(--glow-cyan);
}

.signal-feed {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  max-height: 600px;
  overflow-y: auto;
  padding-right: 4px;
}

.signal-feed::-webkit-scrollbar { width: 4px; }
.signal-feed::-webkit-scrollbar-track { background: rgba(255,255,255,0.02); }
.signal-feed::-webkit-scrollbar-thumb { background: var(--border-hot); border-radius: 2px; }

.signal-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.2rem;
  transition: all 0.2s;
  position: relative;
}

.signal-card:hover {
  border-color: var(--border-hot);
  background: var(--card-hover);
  transform: translateX(3px);
}

.signal-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.6rem;
  gap: 0.8rem;
}

.signal-source-tag {
  font-size: 0.65rem;
  padding: 0.18rem 0.6rem;
  border-radius: 4px;
  letter-spacing: 1px;
  font-weight: 600;
  white-space: nowrap;
}

.tag-blog    { background: rgba(123,47,247,0.2); border: 1px solid rgba(123,47,247,0.4); color: #b07fff; }
.tag-x       { background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15); color: #ccc; }
.tag-podcast { background: rgba(255,165,0,0.15); border: 1px solid rgba(255,165,0,0.3); color: #ffa500; }
.tag-default { background: rgba(0,212,255,0.1); border: 1px solid rgba(0,212,255,0.2); color: var(--cyan); }

.signal-score {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--yellow);
  text-shadow: 0 0 8px rgba(255,215,0,0.4);
  white-space: nowrap;
}

.signal-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  font-family: var(--font-cn);
  margin-bottom: 0.4rem;
  line-height: 1.5;
}

.signal-title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s;
}

.signal-title a:hover {
  color: var(--cyan);
  text-shadow: 0 0 8px rgba(0,212,255,0.3);
}

.signal-summary {
  font-size: 0.75rem;
  color: var(--text-dim);
  font-family: var(--font-cn);
  line-height: 1.6;
  margin-bottom: 0.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.signal-reason {
  font-size: 0.72rem;
  color: var(--green);
  background: rgba(0,255,136,0.07);
  border-left: 2px solid var(--green);
  padding: 0.3rem 0.6rem;
  border-radius: 0 4px 4px 0;
  font-family: var(--font-cn);
  margin-bottom: 0.4rem;
}

.signal-meta {
  font-size: 0.65rem;
  color: var(--text-dim);
  opacity: 0.7;
}

/* ── Empty / Loading ──────────────────────────────────── */
.loading {
  text-align: center;
  color: var(--text-dim);
  padding: 2rem;
  letter-spacing: 2px;
  font-size: 0.8rem;
  animation: blink 1.5s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 0.5; }
  50%       { opacity: 1; }
}

.empty-state {
  text-align: center;
  color: var(--text-dim);
  padding: 3rem 1rem;
  font-size: 0.8rem;
  font-family: var(--font-cn);
  letter-spacing: 1px;
}

.empty-state .empty-icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 0.8rem;
  opacity: 0.4;
}

/* ── Footer ───────────────────────────────────────────── */
.footer {
  text-align: center;
  padding: 1.5rem;
  color: var(--text-dim);
  font-size: 0.65rem;
  letter-spacing: 2px;
  border-top: 1px solid var(--border);
  margin-top: 1rem;
  opacity: 0.6;
}

/* ── Responsive ───────────────────────────────────────── */
@media (max-width: 768px) {
  .layout { padding: 1rem; gap: 1.5rem; }
  .hdr { padding: 1rem; }
  .hdr-title { font-size: 1.1rem; }
  .cron-row {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
  }
  .cron-time { grid-column: 1 / -1; }
  .bot-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .bot-grid { grid-template-columns: 1fr; }
  .cron-row { grid-template-columns: 1fr; }
}