/* ═══════════════════════════════════════════════════════════════
   Shift Production Analytics  —  Design System
   ═══════════════════════════════════════════════════════════════ */

/* ─── Design tokens ─────────────────────────────────────────── */
:root {
  --bg-page:      #EDF0F7;
  --bg-card:      #FFFFFF;
  --bg-2:         #F8FAFC;
  --bg-hover:     #F0F4FF;

  --accent:       #4F46E5;
  --accent-dk:    #4338CA;
  --accent-lt:    #EEF2FF;
  --accent-bd:    #C7D2FE;

  --green:        #059669;
  --green-lt:     #D1FAE5;
  --amber:        #D97706;
  --amber-lt:     #FEF3C7;
  --red:          #DC2626;
  --red-lt:       #FEE2E2;
  --sky:          #0EA5E9;
  --sky-lt:       #E0F2FE;
  --violet:       #7C3AED;

  --t1:  #0F172A;
  --t2:  #475569;
  --t3:  #94A3B8;

  --bd:  #E2E8F0;
  --bd2: #CBD5E1;

  --sh-xs: 0 1px 2px rgba(15,23,42,.05);
  --sh-sm: 0 1px 4px rgba(15,23,42,.07), 0 1px 2px rgba(15,23,42,.04);
  --sh-md: 0 3px 12px rgba(15,23,42,.09), 0 1px 4px rgba(15,23,42,.05);
  --sh-lg: 0 6px 24px rgba(79,70,229,.13), 0 2px 8px rgba(15,23,42,.07);

  --r1: 6px;
  --r2: 10px;
  --r3: 14px;
  --r4: 20px;
}

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

body {
  background: var(--bg-page);
  color: var(--t1);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Inter', sans-serif;
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* ─── App shell ──────────────────────────────────────────────── */
.app { max-width: 980px; margin: 0 auto; padding: 0 1.25rem 3rem; }

/* ─── Header ─────────────────────────────────────────────────── */
.header {
  padding: 2rem 1.5rem 1.75rem;
  background: linear-gradient(135deg, #312E81 0%, #4F46E5 45%, #818CF8 100%);
  margin: 0 -1.25rem 1.75rem;
  border-radius: 0 0 var(--r3) var(--r3);
  position: relative;
  overflow: hidden;
}
.header::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
  pointer-events: none;
}
.header h1 {
  font-size: 23px;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: -0.025em;
  position: relative;
}
.header p {
  font-size: 13px;
  color: rgba(255,255,255,.7);
  margin-top: 5px;
  position: relative;
}

/* ─── Tabs ───────────────────────────────────────────────────── */
.tabs {
  display: flex;
  gap: 3px;
  margin-bottom: 1.5rem;
  background: var(--bg-card);
  border-radius: var(--r2);
  padding: 4px;
  box-shadow: var(--sh-sm);
}
.tab {
  flex: 1;
  padding: 9px 0;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  background: transparent;
  border: none;
  color: var(--t2);
  border-radius: var(--r1);
  transition: all .15s ease;
  font-family: inherit;
}
.tab:hover { color: var(--t1); background: var(--bg-2); }
.tab.active {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 8px rgba(79,70,229,.35);
}

/* ─── Section visibility ─────────────────────────────────────── */
.section { display: none; }
.section.active { display: block; }

/* ─── Cards ──────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--bd);
  border-radius: var(--r3);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
  box-shadow: var(--sh-sm);
}

/* ─── Template bar ───────────────────────────────────────────── */
.template-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--accent-lt);
  border: 1px solid var(--accent-bd);
  border-radius: var(--r2);
  margin-bottom: 1rem;
  font-size: 13px;
  color: var(--accent-dk);
}
.template-link {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  cursor: pointer;
  text-decoration: underline;
  white-space: nowrap;
  margin-left: 1rem;
}

/* ─── Drop zone ──────────────────────────────────────────────── */
.drop-zone {
  border: 2px dashed var(--bd2);
  border-radius: var(--r3);
  padding: 3rem 2rem;
  text-align: center;
  cursor: pointer;
  background: var(--bg-card);
  transition: all .2s ease;
  margin-bottom: 1rem;
  box-shadow: var(--sh-xs);
}
.drop-zone:hover, .drop-zone.drag-over {
  background: var(--accent-lt);
  border-color: var(--accent);
  box-shadow: var(--sh-md);
  transform: translateY(-1px);
}
.drop-icon {
  width: 46px;
  height: 46px;
  margin: 0 auto 14px;
  color: var(--accent);
  opacity: .75;
}
.drop-title { font-size: 15px; font-weight: 600; color: var(--t1); margin-bottom: 5px; }
.drop-sub   { font-size: 13px; color: var(--t2); }
.drop-btn {
  display: inline-block;
  margin-top: 14px;
  padding: 9px 22px;
  font-size: 13px;
  font-weight: 500;
  border: 1.5px solid var(--accent-bd);
  border-radius: var(--r2);
  cursor: pointer;
  color: var(--accent);
  background: var(--bg-card);
  transition: all .15s;
}
.drop-btn:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ─── Preview table ──────────────────────────────────────────── */
.preview-table-wrap {
  overflow-x: auto;
  margin-top: 10px;
  border-radius: var(--r1);
  border: 1px solid var(--bd);
}
table { width: 100%; border-collapse: collapse; font-size: 12px; }
th {
  background: var(--bg-2);
  color: var(--t2);
  font-weight: 600;
  padding: 9px 12px;
  text-align: left;
  border-bottom: 1px solid var(--bd);
  white-space: nowrap;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .045em;
}
td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--bd);
  color: var(--t1);
  white-space: nowrap;
  font-size: 12px;
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--bg-2); }

/* ─── Shift badges ───────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 9px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .02em;
}
.badge-a { background: var(--accent-lt); color: var(--accent-dk); }
.badge-b { background: var(--green-lt);  color: var(--green); }
.badge-c { background: var(--amber-lt);  color: var(--amber); }
.badge-d { background: var(--red-lt);    color: var(--red); }

/* ─── Buttons ────────────────────────────────────────────────── */
.submit-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--r2);
  padding: 11px 28px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  margin-top: .75rem;
  box-shadow: 0 2px 8px rgba(79,70,229,.3);
  transition: all .15s;
  font-family: inherit;
}
.submit-btn:hover { background: var(--accent-dk); box-shadow: 0 4px 14px rgba(79,70,229,.4); transform: translateY(-1px); }
.submit-btn:disabled { opacity: .4; cursor: not-allowed; transform: none; }

/* ─── Status boxes ───────────────────────────────────────────── */
.error-box {
  background: var(--red-lt);
  border: 1px solid #FCA5A5;
  border-radius: var(--r2);
  padding: 12px 16px;
  font-size: 13px;
  color: var(--red);
  margin-bottom: 1rem;
  display: none;
}
.success-box {
  background: var(--green-lt);
  border: 1px solid #6EE7B7;
  border-radius: var(--r2);
  padding: 12px 16px;
  font-size: 13px;
  color: var(--green);
  margin-bottom: 1rem;
  display: none;
}
.row-count { font-size: 12px; color: var(--t3); margin-top: 8px; }

/* ─── Dashboard info bar ─────────────────────────────────────── */
.dash-info-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding: 10px 16px;
  background: var(--bg-card);
  border: 1px solid var(--bd);
  border-radius: var(--r2);
  margin-bottom: 1.25rem;
  font-size: 13px;
  color: var(--t2);
  box-shadow: var(--sh-xs);
}
.dash-info-item { display: flex; align-items: center; gap: 6px; }

/* ─── Dashboard metric grid ──────────────────────────────────── */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 1.5rem;
}
.metric {
  background: var(--bg-card);
  border-radius: var(--r3);
  padding: 18px 18px 16px;
  box-shadow: var(--sh-sm);
  border: 1px solid var(--bd);
  border-top: 3px solid transparent;
  transition: box-shadow .15s, transform .15s;
  position: relative;
}
.metric:hover { box-shadow: var(--sh-md); transform: translateY(-2px); }
.metric-blue   { background: linear-gradient(135deg,#312E81,#4F46E5); border-top: none; border-color: transparent; }
.metric-sky    { background: linear-gradient(135deg,#0369A1,#0EA5E9); border-top: none; border-color: transparent; }
.metric-amber  { background: linear-gradient(135deg,#92400E,#D97706); border-top: none; border-color: transparent; }
.metric-green  { background: linear-gradient(135deg,#064E3B,#059669); border-top: none; border-color: transparent; }
.metric-rose   { background: linear-gradient(135deg,#9D174D,#EC4899); border-top: none; border-color: transparent; }
.metric-violet { background: linear-gradient(135deg,#4C1D95,#7C3AED); border-top: none; border-color: transparent; }
.metric-blue .metric-label,.metric-sky .metric-label,.metric-amber .metric-label,
.metric-green .metric-label,.metric-rose .metric-label,.metric-violet .metric-label { color: rgba(255,255,255,.78); }
.metric-blue .metric-val,.metric-sky .metric-val,.metric-amber .metric-val,
.metric-green .metric-val,.metric-rose .metric-val,.metric-violet .metric-val { color: #fff; }
.metric-blue .metric-sub,.metric-sky .metric-sub,.metric-amber .metric-sub,
.metric-green .metric-sub,.metric-rose .metric-sub,.metric-violet .metric-sub { color: rgba(255,255,255,.6); }
.metric-icon  { font-size: 22px; margin-bottom: 10px; display: block; }
.metric-label {
  font-size: 11px;
  color: var(--t2);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .055em;
  margin-bottom: 6px;
}
.metric-val {
  font-size: 28px;
  font-weight: 700;
  color: var(--t1);
  letter-spacing: -0.03em;
  line-height: 1;
}
.metric-sub { font-size: 11px; color: var(--t3); margin-top: 6px; }

/* ─── Dashboard chart cards ──────────────────────────────────── */
.dash-card { transition: box-shadow .15s; }
.dash-card:hover { box-shadow: var(--sh-md); }
.dash-card-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--t2);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.dash-card-title::before {
  content: '';
  display: inline-block;
  width: 3px;
  height: 14px;
  background: linear-gradient(to bottom, var(--accent), var(--sky));
  border-radius: 2px;
  flex-shrink: 0;
}
.dash-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 1rem;
}
.chart-wrap { position: relative; width: 100%; }

/* ─── Q&A chip bar ───────────────────────────────────────────── */
.chip-bar    { display: flex; flex-direction: column; gap: 14px; margin-bottom: .75rem; }
.chip-category-label {
  font-size: 10px;
  font-weight: 700;
  color: var(--t3);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 7px;
}
.chip-row {
  display: flex;
  gap: 7px;
  overflow-x: auto;
  padding-bottom: 2px;
  flex-wrap: nowrap;
  scrollbar-width: none;
}
.chip-row::-webkit-scrollbar { display: none; }
.chip {
  flex-shrink: 0;
  font-size: 12px;
  font-family: inherit;
  padding: 6px 14px;
  border: 1px solid var(--bd);
  border-radius: var(--r4);
  background: var(--bg-2);
  color: var(--t2);
  cursor: pointer;
  white-space: nowrap;
  transition: all .15s;
  font-weight: 500;
}
.chip:hover   { border-color: var(--accent); color: var(--accent); background: var(--accent-lt); }
.chip.chip-active { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ─── Q&A input row ──────────────────────────────────────────── */
.qa-input-row { display: flex; gap: 10px; margin-top: 1rem; }
.qa-input-row input {
  flex: 1;
  padding: 12px 16px;
  font-size: 14px;
  border: 1.5px solid var(--bd);
  border-radius: var(--r2);
  background: var(--bg-card);
  color: var(--t1);
  font-family: inherit;
  transition: border-color .15s, box-shadow .15s;
  outline: none;
}
.qa-input-row input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79,70,229,.12);
}
.qa-input-row input::placeholder { color: var(--t3); }
.qa-ask-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--r2);
  padding: 12px 26px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(79,70,229,.3);
  transition: all .15s;
  white-space: nowrap;
  font-family: inherit;
}
.qa-ask-btn:hover { background: var(--accent-dk); box-shadow: 0 4px 12px rgba(79,70,229,.4); }
.qa-ask-btn:disabled { opacity: .5; cursor: not-allowed; }

/* ─── Messages list ──────────────────────────────────────────── */
.messages { display: flex; flex-direction: column; gap: 14px; margin-top: 1rem; padding-bottom: 2rem; }
.msg {
  padding: 14px 18px;
  border-radius: var(--r3);
  font-size: 14px;
  line-height: 1.7;
  animation: msgIn .2s ease;
}
@keyframes msgIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.msg-user {
  background: var(--accent);
  color: #fff;
  align-self: flex-end;
  max-width: 80%;
  border-radius: var(--r3) var(--r3) var(--r1) var(--r3);
  box-shadow: 0 3px 10px rgba(79,70,229,.3);
}
.msg-ai {
  background: var(--bg-card);
  border: 1px solid var(--bd);
  color: var(--t1);
  border-radius: var(--r1) var(--r3) var(--r3) var(--r3);
  box-shadow: var(--sh-sm);
}
.msg-ai .ai-label {
  font-size: 10px;
  color: var(--accent);
  margin-bottom: 8px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 5px;
}
.msg-ai .ai-label::before {
  content: '◆';
  font-size: 8px;
}

/* ─── Answer card sections ───────────────────────────────────── */
.answer-summary {
  font-size: 15px;
  line-height: 1.75;
  color: var(--t1);
  font-weight: 500;
}
.answer-chart-wrap {
  height: 290px;
  margin: 14px 0;
  padding: 14px 16px;
  background: var(--bg-2);
  border: 1px solid var(--bd);
  border-radius: var(--r2);
}
.answer-insight {
  font-size: 13px;
  line-height: 1.75;
  color: var(--t2);
  border-top: 1px solid var(--bd);
  padding-top: 12px;
  margin-top: 12px;
}
.approach-details {
  margin-top: 12px;
  border-top: 1px solid var(--bd);
  padding-top: 10px;
}
.approach-toggle {
  font-size: 12px;
  cursor: pointer;
  color: var(--t3);
  user-select: none;
  list-style: none;
  font-weight: 500;
  transition: color .15s;
}
.approach-toggle:hover { color: var(--t2); }
.approach-toggle::-webkit-details-marker { display: none; }
.approach-body { margin-top: 10px; }
.answer-approach-text {
  font-size: 12px;
  line-height: 1.75;
  color: var(--t2);
  white-space: pre-line;
  margin-bottom: 10px;
}
.answer-filters {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: var(--accent);
  background: var(--accent-lt);
  border: 1px solid var(--accent-bd);
  border-radius: var(--r1);
  padding: 4px 10px;
  margin-bottom: 8px;
  font-weight: 500;
}
.code-details { margin-top: 8px; }
.code-toggle {
  font-size: 11px;
  cursor: pointer;
  color: var(--t3);
  list-style: none;
  transition: color .15s;
  font-weight: 500;
}
.code-toggle:hover { color: var(--t2); }
.code-toggle::-webkit-details-marker { display: none; }
.code-pre {
  margin-top: 8px;
  background: #1E293B;
  color: #CBD5E1;
  padding: 14px 16px;
  border-radius: var(--r1);
  overflow-x: auto;
  font-size: 11.5px;
  white-space: pre;
  font-family: 'Menlo', 'Monaco', 'Consolas', monospace;
  line-height: 1.65;
}
.confidence-flag {
  margin-top: 10px;
  font-size: 11px;
  color: var(--amber);
  padding: 5px 10px;
  background: var(--amber-lt);
  border-radius: var(--r1);
  border: 1px solid #FDE68A;
  display: inline-block;
}

/* ─── Thinking / loading ─────────────────────────────────────── */
.thinking {
  color: var(--t3);
  font-style: italic;
}
.thinking::after {
  content: '.';
  animation: dots 1.2s steps(3, end) infinite;
}
@keyframes dots {
  0%    { content: '.';   }
  33%   { content: '..';  }
  66%   { content: '...'; }
  100%  { content: '.';   }
}

/* ─── Decoded intent tag ─────────────────────────────────────── */
.decoded-tag {
  font-size: 11px;
  color: var(--t3);
  padding: 3px 6px;
  display: flex;
  align-items: flex-start;
  gap: 5px;
  margin-bottom: 2px;
}
.decoded-tag span { font-style: italic; line-height: 1.5; color: var(--t2); }

/* ─── Clarification bubble ───────────────────────────────────── */
.msg-clarify {
  background: #FFFBEB;
  border: 1px solid #FDE68A;
  border-left: 3px solid var(--amber);
  color: var(--t1);
}
.clarify-header {
  font-size: 10px;
  font-weight: 700;
  color: var(--amber);
  margin-bottom: 8px;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.clarify-body { font-size: 14px; line-height: 1.7; }

/* ─── Empty state ────────────────────────────────────────────── */
.no-data {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--t3);
  font-size: 14px;
}
.no-data::before {
  content: '📊';
  display: block;
  font-size: 36px;
  margin-bottom: 12px;
  opacity: .6;
}

/* ─── Source selector tabs (CSV vs Databricks) ───────────────── */
.src-tab-bar {
  display: flex;
  gap: 6px;
  margin-bottom: 1.25rem;
}
.src-tab {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 9px 20px;
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--r2);
  border: 1.5px solid var(--bd);
  background: var(--bg-card);
  color: var(--t2);
  cursor: pointer;
  transition: all .15s;
  font-family: inherit;
}
.src-tab:hover { border-color: var(--accent); color: var(--accent); }
.src-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  box-shadow: 0 2px 10px rgba(79,70,229,.3);
}

/* ─── Databricks connection status bar ───────────────────────── */
.db-status-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: var(--bg-card);
  border: 1px solid var(--bd);
  border-radius: var(--r2);
  margin-bottom: 1rem;
  font-size: 12px;
}
.db-dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--t3);
}
.db-dot-ok       { background: var(--green); box-shadow: 0 0 0 3px rgba(5,150,105,.18); }
.db-dot-err      { background: var(--red);   box-shadow: 0 0 0 3px rgba(220,38,38,.18); }
.db-dot-checking { background: var(--amber); animation: pulse-dot 1s ease infinite; }
@keyframes pulse-dot { 0%,100%{opacity:1} 50%{opacity:.4} }
.db-status-text  { flex: 1; color: var(--t2); font-size: 12px; }
.db-refresh-btn  { font-size: 11px; padding: 4px 10px; border-radius: var(--r1); border: 1px solid var(--bd); background: var(--bg-2); cursor: pointer; color: var(--t2); font-family: inherit; }
.db-refresh-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ─── Databricks 3-column browser ───────────────────────────── */
.db-browser {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
  margin-bottom: 1rem;
}
.db-browser-col {
  background: var(--bg-card);
  border: 1px solid var(--bd);
  border-radius: var(--r2);
  overflow: hidden;
}
.db-col-header {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--t3);
  padding: 9px 12px 7px;
  border-bottom: 1px solid var(--bd);
  background: var(--bg-2);
}
.db-col-list { max-height: 260px; overflow-y: auto; }
.db-item {
  padding: 9px 12px;
  font-size: 12px;
  color: var(--t1);
  cursor: pointer;
  border-bottom: 1px solid var(--bd);
  transition: background .1s;
  word-break: break-all;
}
.db-item:last-child { border-bottom: none; }
.db-item:hover    { background: var(--bg-hover); }
.db-item-active   { background: var(--accent-lt) !important; color: var(--accent-dk); font-weight: 600; }
.db-loading       { padding: 12px; font-size: 12px; color: var(--t3); text-align: center; }
.db-empty         { padding: 12px; font-size: 12px; color: var(--t3); text-align: center; }
.db-err           { padding: 12px; font-size: 12px; color: var(--red); }

/* ─── Databricks table preview ───────────────────────────────── */
.db-preview-area {
  background: var(--bg-card);
  border: 1px solid var(--bd);
  border-radius: var(--r2);
  padding: 14px 16px;
  min-height: 60px;
  margin-bottom: .5rem;
  font-size: 12px;
}
.db-preview-label { font-size: 11px; font-weight: 600; color: var(--t2); margin-bottom: 8px; }

/* ─── Loaded datasets list ───────────────────────────────────── */
.ds-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--r2);
  cursor: pointer;
  transition: background .12s;
  border: 1.5px solid transparent;
  margin-bottom: 6px;
  background: var(--bg-2);
}
.ds-item:hover  { background: var(--bg-hover); border-color: var(--bd); }
.ds-active      { background: var(--accent-lt) !important; border-color: var(--accent-bd) !important; }
.ds-dot         { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.ds-name        { font-size: 13px; font-weight: 600; color: var(--t1); flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ds-badge       { font-size: 10px; font-weight: 600; padding: 2px 8px; border-radius: 20px; background: var(--bg-card); border: 1px solid var(--bd); color: var(--t2); white-space: nowrap; }
.ds-badge-databricks { border-color: #3B82F6; color: #1D4ED8; background: #EFF6FF; }
.ds-rows        { font-size: 11px; color: var(--t3); white-space: nowrap; }
.ds-active-tag  { font-size: 10px; font-weight: 700; color: var(--accent-dk); background: var(--accent-bd); padding: 2px 8px; border-radius: 20px; white-space: nowrap; }
.ds-remove      { background: none; border: none; color: var(--t3); cursor: pointer; font-size: 14px; padding: 2px 4px; border-radius: 4px; flex-shrink: 0; transition: color .12s; }
.ds-remove:hover{ color: var(--red); }

/* ─── Dashboard dataset tab bar ──────────────────────────────── */
.ds-tab-bar {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}
.ds-tab {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  font-size: 12px;
  font-weight: 500;
  border-radius: var(--r4);
  border: 1.5px solid var(--bd);
  background: var(--bg-card);
  color: var(--t2);
  cursor: pointer;
  transition: all .15s;
  font-family: inherit;
}
.ds-tab:hover { border-color: var(--ds-color, var(--accent)); color: var(--ds-color, var(--accent)); }
.ds-tab-active {
  background: var(--ds-color, var(--accent));
  border-color: var(--ds-color, var(--accent));
  color: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,.18);
}
.ds-tab-rows { font-size: 10px; opacity: .75; }

/* ─── Schema detection banner ────────────────────────────────── */
.schema-banner {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 9px 16px;
  background: linear-gradient(90deg, #EEF2FF 0%, #F0F9FF 100%);
  border: 1px solid var(--accent-bd);
  border-radius: var(--r2);
  margin-bottom: 1.25rem;
  font-size: 12px;
  color: var(--accent-dk);
}
.schema-banner-label {
  font-weight: 700;
  font-size: 10px;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--accent);
  white-space: nowrap;
}
.schema-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  background: var(--bg-card);
  border: 1px solid var(--bd);
  white-space: nowrap;
}
.schema-tag-date   { border-color: var(--sky);    color: #0369A1; }
.schema-tag-num    { border-color: var(--green);   color: #064E3B; }
.schema-tag-cat    { border-color: var(--accent);  color: var(--accent-dk); }
.schema-tag-derived{ border-color: var(--violet);  color: var(--violet); }

/* ─── Prediction badge ───────────────────────────────────────── */
.prediction-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  background: linear-gradient(90deg, #EDE9FE, #EEF2FF);
  border: 1px solid #C4B5FD;
  border-radius: var(--r4);
  font-size: 11px;
  font-weight: 700;
  color: var(--violet);
  letter-spacing: .05em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

/* ─── Sticky composer bar (Q&A) ──────────────────────────────── */
.qa-wrap { display: flex; flex-direction: column; }
.chip-card { margin-bottom: 0; }
.composer-bar {
  position: sticky;
  bottom: 0;
  z-index: 30;
  background: var(--bg-page);
  padding: 10px 0 16px;
  margin-top: 8px;
}
.composer-inner {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 8px 8px 8px 16px;
  background: var(--bg-card);
  border: 1.5px solid var(--bd2);
  border-radius: var(--r3);
  box-shadow: 0 -2px 14px rgba(15,23,42,.06), 0 4px 20px rgba(79,70,229,.12);
  transition: border-color .15s, box-shadow .15s;
}
.composer-inner:focus-within {
  border-color: var(--accent);
  box-shadow: 0 -2px 14px rgba(15,23,42,.06), 0 4px 24px rgba(79,70,229,.2);
}
.composer-inner input {
  flex: 1;
  padding: 10px 0;
  font-size: 14px;
  border: none;
  background: transparent;
  color: var(--t1);
  font-family: inherit;
  outline: none;
  min-width: 0;
}
.composer-inner input::placeholder { color: var(--t3); }

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 680px) {
  .metric-grid { grid-template-columns: repeat(2, 1fr); }
  .dash-2col   { grid-template-columns: 1fr; }
  .msg-user    { max-width: 95%; }
  .header      { padding: 1.5rem 1rem 1.25rem; }
}

/* ═══════════════════════════════════════════
   ConvBI v2 — Extended Styles
═══════════════════════════════════════════ */

/* ── CSS variable additions (v2) ──────────────── */
:root {
  --red-lt: rgba(220,38,38,.1);
}

/* ── Header v2 ─────────────────────────────── */
.header-inner { display:flex; align-items:center; justify-content:space-between; position:relative; }
.header-v2 { font-size:13px; font-weight:500; color:rgba(255,255,255,.5); vertical-align:super; margin-left:2px; }
.header-actions { display:flex; gap:8px; align-items:center; }
.header-dash-btn, .header-voice-btn {
  display:flex; align-items:center; gap:6px;
  background:rgba(255,255,255,.12); border:1px solid rgba(255,255,255,.18);
  color:#fff; font-size:12px; font-weight:500; padding:6px 12px;
  border-radius:20px; cursor:pointer; text-decoration:none;
  transition:background .15s;
}
.header-dash-btn:hover, .header-voice-btn:hover { background:rgba(255,255,255,.22); }
.header-voice-btn.voice-active { background:rgba(255,100,100,.3); border-color:rgba(255,100,100,.5); }

/* ── Voice bar ─────────────────────────────── */
.voice-bar {
  background:#1e2533; border-bottom:1px solid #2d3748;
  padding:8px 20px; display:flex; align-items:center; gap:12px;
  font-size:13px; color:#e2e8f0;
}
.voice-state-ring {
  width:28px; height:28px; border-radius:50%;
  border:2px solid #4a5568;
  flex-shrink:0; transition:all .3s;
}
.voice-ring-listening { border-color:#4F46E5; box-shadow:0 0 0 4px rgba(79,70,229,.2); animation:vPulse 1.5s infinite; }
.voice-ring-speaking  { border-color:#059669; box-shadow:0 0 0 4px rgba(5,150,105,.2); animation:vPulse 0.8s infinite; }
.voice-ring-processing{ border-color:#D97706; }
@keyframes vPulse { 0%,100%{transform:scale(1)} 50%{transform:scale(1.1)} }
.voice-transcript-live { flex:1; color:#a0aec0; font-size:12px; font-style:italic; min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.voice-state-label { font-size:11px; color:#718096; white-space:nowrap; }
.voice-ptt-btn {
  background:#4F46E5; color:#fff; border:none; border-radius:20px;
  padding:6px 16px; font-size:13px; font-weight:600; cursor:pointer;
  white-space:nowrap; transition:all .18s; flex-shrink:0;
}
.voice-ptt-btn:hover:not(:disabled) { background:#4338CA; transform:scale(1.03); }
.voice-ptt-btn:disabled { opacity:.5; cursor:not-allowed; transform:none; }
.voice-ptt-btn.ptt-recording {
  background:#DC2626; animation:pttPulse 1s infinite;
}
@keyframes pttPulse { 0%,100%{box-shadow:0 0 0 0 rgba(220,38,38,.4)} 50%{box-shadow:0 0 0 6px rgba(220,38,38,0)} }
.voice-bar-stop, .voice-bar-settings {
  background:rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.12);
  color:#e2e8f0; padding:4px 10px; border-radius:12px; font-size:11px; cursor:pointer; flex-shrink:0;
}
.voice-bar-stop:hover { background:rgba(255,100,100,.2); }

/* ── Table context bar ─────────────────────── */
.table-context-bar {
  display:flex; align-items:center; gap:8px; padding:8px 0 4px;
  flex-wrap:wrap;
}
.ctx-label { font-size:11px; font-weight:600; text-transform:uppercase; letter-spacing:.06em; color:var(--t3); }
.ctx-chips { display:flex; gap:6px; flex-wrap:wrap; }
.ctx-chip {
  background:var(--bg-2); border:1px solid var(--bd); color:var(--t2);
  padding:3px 10px; border-radius:12px; font-size:12px; cursor:pointer; transition:all .12s;
}
.ctx-chip-on { background:var(--accent-lt); border-color:var(--accent-bd); color:var(--accent); }
.ctx-all-btn {
  background:none; border:none; color:var(--accent); font-size:12px; cursor:pointer; font-weight:500;
}

/* ── Connection form ───────────────────────── */
.conn-form { display:grid; grid-template-columns:1fr 1fr; gap:8px; margin-bottom:8px; }
.conn-input {
  background:var(--bg-2); border:1px solid var(--bd); color:var(--t1);
  padding:7px 10px; border-radius:var(--r1); font-size:13px; width:100%;
}
.conn-input:focus { outline:none; border-color:var(--accent); }
.conn-note { font-size:11px; color:var(--t3); }

/* ── Answer card v2 ────────────────────────── */
.answer-card { padding:0; overflow:hidden; }
.answer-meta { padding:10px 14px 0; display:flex; align-items:center; gap:8px; flex-wrap:wrap; }
.answer-tables { display:flex; gap:5px; flex-wrap:wrap; }
.answer-table-chip {
  background:var(--accent-lt); border:1px solid var(--accent-bd);
  color:var(--accent); font-size:11px; font-weight:600;
  padding:1px 8px; border-radius:10px;
}
.answer-join { font-size:11px; color:var(--t3); font-style:italic; }
.cached-badge {
  font-size:10px; font-weight:700; letter-spacing:.04em;
  background:rgba(63,185,80,.12); color:#3FB950;
  border:1px solid rgba(63,185,80,.3); border-radius:10px;
  padding:1px 7px;
}
.answer-card .answer-summary { padding:10px 14px 8px; font-size:14px; }
.answer-card .answer-insight  { padding:0 14px 8px; }

/* ECharts wrapper inside answer card */
.ec-chart-wrap { margin:8px 14px; border-radius:var(--r2); overflow:hidden; background:var(--bg-2); }

.answer-approach-detail { border-top:1px solid var(--bd); }
.approach-toggle {
  cursor:pointer; padding:8px 14px; font-size:12px; font-weight:600;
  color:var(--t2); list-style:none; user-select:none;
}
.approach-toggle::-webkit-details-marker { display:none; }
.approach-body { padding:0 14px 10px; }
.answer-approach-text { font-size:12px; color:var(--t2); white-space:pre-wrap; margin-bottom:8px; }
.sql-detail { margin-top:6px; }
.sql-toggle { cursor:pointer; font-size:11px; color:var(--t3); list-style:none; }
.sql-toggle::-webkit-details-marker { display:none; }
.sql-pre {
  background:#0f172a; color:#e2e8f0; padding:10px 12px;
  border-radius:6px; font-family:'JetBrains Mono',monospace; font-size:11px;
  overflow-x:auto; margin:6px 0; border:1px solid #1e293b;
  white-space:pre; max-height:250px; overflow-y:auto;
}
.copy-sql-btn {
  background:none; border:1px solid var(--bd); color:var(--t2);
  padding:3px 8px; border-radius:4px; font-size:11px; cursor:pointer;
}
.copy-sql-btn:hover { color:var(--accent); border-color:var(--accent); }

.answer-actions {
  display:flex; gap:4px; padding:6px 10px 10px; border-top:1px solid var(--bd);
}
.action-btn {
  background:none; border:1px solid var(--bd); color:var(--t2);
  padding:4px 10px; border-radius:12px; font-size:11px; cursor:pointer;
  transition:all .12s;
}
.action-btn:hover { background:var(--bg-hover); color:var(--t1); }

/* ── Mic button ────────────────────────────── */
.mic-btn {
  background:none; border:1px solid var(--bd); color:var(--t2);
  width:32px; height:32px; border-radius:50%; cursor:pointer;
  display:flex; align-items:center; justify-content:center;
  transition:all .12s; flex-shrink:0;
}
.mic-btn:hover { background:var(--accent-lt); border-color:var(--accent); color:var(--accent); }

/* ── Clarify input ─────────────────────────── */
.clarify-input {
  flex:1; background:var(--bg-2); border:1px solid var(--bd);
  color:var(--t1); padding:6px 10px; border-radius:var(--r1); font-size:13px;
}

/* ── Error bubble ──────────────────────────── */
.error-bubble { background:var(--red-lt); color:var(--red); }

/* ── Inline dash mini KPI ──────────────────── */
.dash-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(340px,1fr)); gap:16px; }
.dash-card-sub { font-size:11px; color:var(--t3); margin-left:8px; font-weight:400; }
.mini-kpi-row { display:flex; gap:8px; margin-bottom:10px; flex-wrap:wrap; }
.mini-kpi { background:var(--bg-2); border:1px solid var(--bd); border-radius:var(--r1); padding:8px 12px; min-width:100px; }
.mini-kpi-label { font-size:10px; font-weight:600; text-transform:uppercase; letter-spacing:.06em; color:var(--t3); }
.mini-kpi-val   { font-size:18px; font-weight:700; color:var(--t1); }

/* ── Voice settings modal ──────────────────── */
.modal-overlay {
  position:fixed; inset:0; background:rgba(0,0,0,.5);
  display:flex; align-items:center; justify-content:center; z-index:1000;
}
.modal-box {
  background:var(--bg-card); border:1px solid var(--bd);
  border-radius:var(--r3); width:420px; max-width:95vw;
  box-shadow:var(--sh-lg);
}
.modal-header {
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 20px; border-bottom:1px solid var(--bd);
  font-size:14px; font-weight:600;
}
.modal-close { background:none; border:none; color:var(--t3); cursor:pointer; font-size:16px; }
.modal-body { padding:20px; display:flex; flex-direction:column; gap:16px; }
.vsetting-row { display:flex; align-items:center; gap:12px; flex-wrap:wrap; }
.vsetting-label { font-size:12px; font-weight:600; color:var(--t2); min-width:90px; }
.voice-options { display:flex; flex-direction:column; gap:6px; flex:1; }
.voice-opt {
  display:flex; align-items:center; gap:8px;
  background:var(--bg-2); border:1px solid var(--bd);
  padding:8px 12px; border-radius:var(--r1); cursor:pointer; font-size:13px;
}
.voice-opt:hover { border-color:var(--accent); }
.voice-preview-btn {
  margin-left:auto; background:none; border:1px solid var(--bd);
  color:var(--t2); padding:2px 8px; border-radius:10px; font-size:11px; cursor:pointer;
}
.toggle-switch { position:relative; width:36px; height:20px; display:inline-block; }
.toggle-switch input { opacity:0; width:0; height:0; }
.toggle-slider {
  position:absolute; inset:0; background:#cbd5e1; border-radius:20px; cursor:pointer; transition:.2s;
}
.toggle-switch input:checked + .toggle-slider { background:var(--accent); }
.toggle-slider::before {
  content:''; position:absolute; width:14px; height:14px; border-radius:50%;
  background:#fff; left:3px; top:3px; transition:.2s;
}
.toggle-switch input:checked + .toggle-slider::before { transform:translateX(16px); }

/* ── Table library ds-item additions ──────── */
.ds-badge {
  font-size:9px; font-weight:700; text-transform:uppercase; letter-spacing:.06em;
  padding:1px 5px; border-radius:4px; margin-left:4px;
}
.ds-badge.file     { background:rgba(88,166,255,.15); color:#58A6FF; }
.ds-badge.databricks { background:rgba(63,185,80,.15); color:#3FB950; }
.ds-badge.s3       { background:rgba(210,153,34,.15); color:#D29922; }
.ds-rows { font-size:10px; color:var(--t3); margin-top:1px; }
.ds-remove {
  margin-left:auto; background:none; border:none; color:var(--t3);
  font-size:14px; cursor:pointer; padding:0 4px;
}
.ds-remove:hover { color:var(--red); }

/* ── Source tab panels ─────────────────────── */
.source-tab-panel { display:none; }
.source-tab-panel.active { display:block; }

/* ── Responsive additions ──────────────────── */
@media (max-width:680px) {
  .conn-form { grid-template-columns:1fr; }
  .modal-box { width:95vw; }
}