@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  --bg-base: #0A121C;
  --bg-panel: #101B29;
  --bg-panel-raised: #14212F;
  --bg-inset: #0D1826;
  --border-soft: #1E2E40;
  --border-strong: #2B3F55;

  --text-primary: #E4ECF4;
  --text-secondary: #8FA4BA;
  --text-muted: #5E738A;

  --cyan: #3FC6D1;
  --cyan-dim: #1B4750;
  --cyan-soft-bg: #10262B;

  --status-safe: #4FAE7C;
  --status-caution: #D0A244;
  --status-unsafe: #D0685E;

  --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;

  --radius-sm: 3px;
  --radius-md: 5px;
}

*{ box-sizing: border-box; }

html, body{
  margin:0;
  padding:0;
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 15px;
  line-height: 1.5;
}

a{ color: var(--cyan); }

/* ---------------- Header ---------------- */

.site-header{
  border-bottom: 1px solid var(--border-soft);
  background: linear-gradient(to bottom, #0C1622, #0A121C);
  padding: 18px 28px 0 28px;
}

.header-inner{
  display:flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  max-width: 1400px;
  margin: 0 auto;
}

.brand-block{
  display:flex;
  align-items: baseline;
  gap: 14px;
}

.brand-mark{
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 22px;
  letter-spacing: 2px;
  color: var(--cyan);
}

.brand-full{
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
  border-left: 1px solid var(--border-strong);
  padding-left: 14px;
}

.header-right{
  display:flex;
  align-items:center;
  gap: 22px;
  flex-wrap: wrap;
}

.lang-toggle{
  display:flex;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  overflow:hidden;
}

.lang-btn{
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 12px;
  cursor: pointer;
}

.lang-btn.active{
  background: var(--cyan-soft-bg);
  color: var(--cyan);
}

.status-bar{
  display:flex;
  gap: 16px;
  flex-wrap: wrap;
}

.status-chip{
  display:flex;
  align-items:center;
  gap: 7px;
  font-size: 12px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.status-dot{
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-muted);
  display:inline-block;
}

.status-dot.ok{ background: var(--status-safe); }
.status-dot.warn{ background: var(--status-caution); }
.status-dot.err{ background: var(--status-unsafe); }

.header-subline{
  max-width: 1400px;
  margin: 10px auto 0 auto;
  padding-bottom: 14px;
  font-size: 12.5px;
  color: var(--text-muted);
  letter-spacing: 0.2px;
}

/* ---------------- Layout ---------------- */

.app-shell{
  max-width: 1400px;
  margin: 24px auto;
  padding: 0 28px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 20px;
}

.results-panel{
  grid-column: 1 / -1;
}

@media (max-width: 980px){
  .app-shell{ grid-template-columns: 1fr; }
}

.panel{
  background: var(--bg-panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 20px 22px;
}

.panel-heading{
  display:flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-soft);
}

.panel-heading h2{
  margin:0;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.2px;
}

.panel-caption{
  font-size: 12px;
  color: var(--text-muted);
}

/* ---------------- Conversation panel ---------------- */

.chat-log{
  display:flex;
  flex-direction: column;
  gap: 12px;
  max-height: 420px;
  overflow-y: auto;
  padding-right: 4px;
  margin-bottom: 14px;
}

.chat-message{
  border-radius: var(--radius-md);
  padding: 12px 14px;
  border: 1px solid var(--border-soft);
  background: var(--bg-inset);
}

.chat-message.user{
  background: var(--cyan-soft-bg);
  border-color: var(--cyan-dim);
  margin-left: 12%;
}

.chat-message.assistant{
  margin-right: 6%;
}

.message-role{
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 5px;
}

.chat-message.user .message-role{ color: var(--cyan); }

.message-body{
  font-size: 13.8px;
  color: var(--text-primary);
  white-space: pre-line;
}

.message-badge{
  display:inline-block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--text-muted);
  border-top: 1px dashed var(--border-soft);
  padding-top: 6px;
}

.suggested-queries{
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.suggested-btn{
  background: var(--bg-inset);
  border: 1px solid var(--border-soft);
  color: var(--text-secondary);
  font-size: 12.5px;
  padding: 7px 11px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

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

.query-form{
  display:flex;
  gap: 10px;
}

#queryInput{
  flex:1;
  background: var(--bg-inset);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 11px 13px;
  font-size: 13.5px;
  font-family: var(--font-ui);
}

#queryInput:focus{
  outline: none;
  border-color: var(--cyan);
}

#sendBtn{
  background: var(--cyan-soft-bg);
  border: 1px solid var(--cyan-dim);
  color: var(--cyan);
  font-weight: 600;
  font-size: 13px;
  padding: 0 20px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

#sendBtn:hover{ border-color: var(--cyan); }
#sendBtn:disabled{ opacity: 0.5; cursor: default; }

/* ---------------- Pipeline panel ---------------- */

.pipeline-list{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-direction: column;
  gap: 0;
}

.pipeline-list li{
  display:flex;
  align-items: flex-start;
  gap: 12px;
  padding: 11px 2px;
  border-bottom: 1px solid var(--border-soft);
  opacity: 0.4;
  transition: opacity 0.25s ease;
}

.pipeline-list li:last-child{ border-bottom: none; }

.pipeline-list li.active,
.pipeline-list li.done{ opacity: 1; }

.step-index{
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  width: 18px;
  padding-top: 2px;
}

.step-marker{
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 1.5px solid var(--border-strong);
  margin-top: 4px;
  flex-shrink: 0;
}

.pipeline-list li.active .step-marker{
  border-color: var(--cyan);
  background: var(--cyan);
}

.pipeline-list li.done .step-marker{
  border-color: var(--status-safe);
  background: var(--status-safe);
}

.step-text{ display:flex; flex-direction: column; gap: 2px; }

.step-name{ font-size: 13.5px; font-weight: 600; }

.step-desc{ font-size: 12px; color: var(--text-muted); }

/* ---------------- Results panel ---------------- */

.score-cards{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 26px;
}

@media (max-width: 760px){
  .score-cards{ grid-template-columns: 1fr; }
}

.score-card{
  background: var(--bg-panel-raised);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 16px 18px;
}

.score-card-label{
  font-size: 11.5px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.score-card-value{
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 600;
  color: var(--text-primary);
}

.score-card-value span{
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 500;
}

.score-card-sub{
  margin-top: 6px;
  font-size: 12.5px;
  color: var(--text-secondary);
}

.tag{
  display:inline-block;
  font-size: 11px;
  font-family: var(--font-mono);
  padding: 2px 8px;
  border-radius: 20px;
  border: 1px solid var(--border-strong);
  margin-top: 8px;
}

.tag.safe{ color: var(--status-safe); border-color: var(--status-safe); }
.tag.caution{ color: var(--status-caution); border-color: var(--status-caution); }
.tag.unsafe{ color: var(--status-unsafe); border-color: var(--status-unsafe); }
.tag.cyan{ color: var(--cyan); border-color: var(--cyan-dim); }

.subsection{ margin-bottom: 28px; }

.subsection h3{
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 12px 0;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-soft);
}

.table-wrap{ overflow-x:auto; }

.conditions-table{
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.conditions-table th{
  text-align:left;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border-strong);
  white-space: nowrap;
}

.conditions-table td{
  padding: 10px 10px;
  border-bottom: 1px solid var(--border-soft);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 12.8px;
}

.conditions-table td.zone-name-cell{ font-family: var(--font-ui); font-weight: 600; }

.source-badge{
  font-size: 10.5px;
  padding: 2px 7px;
  border-radius: 20px;
  border: 1px solid var(--border-strong);
  color: var(--text-muted);
}

.source-badge.live{ color: var(--cyan); border-color: var(--cyan-dim); }

.recommendation-box{
  background: var(--bg-panel-raised);
  border: 1px solid var(--border-soft);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius-md);
  padding: 16px 18px;
}

.recommendation-headline{
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 10px;
}

.recommendation-headline .cyan-text{ color: var(--cyan); }

.evidence-list{
  margin: 0;
  padding-left: 18px;
  color: var(--text-secondary);
  font-size: 13px;
  font-family: var(--font-mono);
}

.evidence-list li{ margin-bottom: 5px; }

.zone-comparison{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

@media (max-width: 900px){
  .zone-comparison{ grid-template-columns: 1fr; }
}

.zone-card{
  background: var(--bg-panel-raised);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  position: relative;
}

.zone-card.recommended{
  border-color: var(--cyan-dim);
}

.recommended-flag{
  position:absolute;
  top: -1px;
  right: -1px;
  background: var(--cyan-soft-bg);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.5px;
  padding: 4px 9px;
  border-bottom-left-radius: var(--radius-sm);
  border: 1px solid var(--cyan-dim);
}

.zone-card-title{
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
}

.zone-card-desc{
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 14px;
  min-height: 32px;
}

.zone-metric-row{
  display:flex;
  justify-content: space-between;
  align-items:center;
  font-size: 12.5px;
  padding: 6px 0;
  border-bottom: 1px solid var(--border-soft);
}

.zone-metric-row:last-child{ border-bottom:none; }

.zone-metric-label{ color: var(--text-muted); }

.zone-metric-value{ font-family: var(--font-mono); font-weight: 600; }

/* ---------------- Footer ---------------- */

.site-footer{
  border-top: 1px solid var(--border-soft);
  padding: 18px 28px 26px 28px;
  margin-top: 10px;
}

.footer-inner{
  max-width: 1400px;
  margin: 0 auto;
  display:flex;
  flex-direction: column;
  gap: 6px;
  font-size: 11.5px;
  color: var(--text-muted);
}

::-webkit-scrollbar{ width: 8px; height: 8px; }
::-webkit-scrollbar-track{ background: transparent; }
::-webkit-scrollbar-thumb{ background: var(--border-strong); border-radius: 4px; }