/* ==========================================================================
   CELSA Procurement AI — style.css
   Enterprise dark theme, industrial + AI aesthetic.
   ========================================================================== */

:root {
  --bg-0: #070b14;
  --bg-1: #0c1220;
  --bg-2: #111a2c;
  --bg-3: #16223a;
  --bg-card: #101b30;
  --border-soft: rgba(148, 163, 184, 0.14);
  --border-strong: rgba(148, 163, 184, 0.28);

  --text-hi: #eef2f9;
  --text-mid: #aab6cc;
  --text-low: #71809c;

  --brand-red: #e0223c;
  --brand-red-dim: rgba(224, 34, 60, 0.16);
  --accent-teal: #22d3c8;
  --accent-teal-dim: rgba(34, 211, 200, 0.14);
  --accent-blue: #4f8cff;
  --accent-amber: #f5a524;
  --accent-amber-dim: rgba(245, 165, 36, 0.15);
  --accent-red-dim: rgba(239, 68, 68, 0.15);

  --vlow: #22d3a6;
  --low: #34d399;
  --medium: #f5c04a;
  --medhigh: #f0904a;
  --high: #f0546a;

  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-card: 0 10px 30px -12px rgba(0,0,0,0.55);
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: radial-gradient(circle at 20% 0%, #0e1728 0%, var(--bg-0) 55%);
  color: var(--text-hi);
  font-family: var(--font-main);
  min-height: 100vh;
  scroll-behavior: smooth;
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #263450; border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: #33456b; }

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

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

.app-shell {
  display: grid;
  grid-template-columns: 264px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: linear-gradient(180deg, #0a0f1c 0%, #080c16 100%);
  border-right: 1px solid var(--border-soft);
  padding: 22px 16px 20px;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 8px 22px;
  border-bottom: 1px solid var(--border-soft);
  margin-bottom: 18px;
}

.brand-mark {
  width: 42px; height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--brand-red), #8c0f24);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 15px; color: #fff;
  box-shadow: 0 6px 18px -6px rgba(224,34,60,0.6);
  flex-shrink: 0;
}

.brand-text .brand-title {
  font-weight: 800; font-size: 15.5px; letter-spacing: 0.2px; color: var(--text-hi);
  line-height: 1.15;
}
.brand-text .brand-sub {
  font-size: 11px; color: var(--accent-teal); font-weight: 600; letter-spacing: 0.3px;
}

.nav-group-label {
  font-size: 10.5px; text-transform: uppercase; letter-spacing: 1.1px;
  color: var(--text-low); padding: 14px 12px 6px;
  font-weight: 700;
}

.nav-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }

.nav-item button {
  width: 100%;
  display: flex; align-items: center; gap: 11px;
  background: transparent; border: none;
  color: var(--text-mid); font-size: 13.4px; font-weight: 600;
  padding: 10px 12px; border-radius: 10px;
  transition: background .15s ease, color .15s ease;
  text-align: left;
}
.nav-item button i { width: 18px; text-align: center; font-size: 14px; color: var(--text-low); transition: color .15s ease; }
.nav-item button:hover { background: rgba(148,163,184,0.08); color: var(--text-hi); }
.nav-item.active button {
  background: linear-gradient(90deg, rgba(224,34,60,0.18), rgba(224,34,60,0.02));
  color: #fff;
  box-shadow: inset 3px 0 0 var(--brand-red);
}
.nav-item.active button i { color: var(--brand-red); }

.sidebar-footer {
  margin-top: auto;
  padding: 14px 12px 4px;
  border-top: 1px solid var(--border-soft);
  font-size: 10.6px; color: var(--text-low); line-height: 1.5;
}
.sidebar-footer strong { color: var(--text-mid); }

.main-area { min-width: 0; padding: 26px 34px 60px; }

.view { display: none; animation: fadeUp .35s ease; }
.view.active { display: block; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------------------------------------------------------------- Topbar */

.page-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  margin-bottom: 24px; gap: 20px; flex-wrap: wrap;
}
.page-header h1 { margin: 0 0 4px; font-size: 26px; font-weight: 800; letter-spacing: -0.3px; }
.page-header .page-sub { color: var(--text-mid); font-size: 14px; margin: 0; }
.header-tag {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--accent-teal-dim); color: var(--accent-teal);
  border: 1px solid rgba(34,211,200,0.3);
  padding: 5px 12px; border-radius: 100px; font-size: 11.5px; font-weight: 700;
  letter-spacing: 0.3px;
}

.demo-banner {
  background: linear-gradient(90deg, rgba(245,165,36,0.14), rgba(245,165,36,0.03));
  border: 1px solid rgba(245,165,36,0.35);
  color: #f5c477;
  border-radius: var(--radius-md);
  padding: 10px 16px;
  font-size: 12.3px;
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 22px;
}
.demo-banner i { color: var(--accent-amber); }

/* ---------------------------------------------------------------- Cards */

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-card);
}

.card-title-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; gap: 10px; flex-wrap: wrap; }
.card-title-row h3 { margin: 0; font-size: 15.5px; font-weight: 700; }
.card-title-row .subtle { color: var(--text-low); font-size: 12px; }

.section-title {
  font-size: 19px; font-weight: 800; margin: 30px 0 14px;
  display: flex; align-items: center; gap: 10px;
}
.section-title i { color: var(--accent-teal); }
.section-title:first-child { margin-top: 0; }

/* ---------------------------------------------------------------- KPIs */

.kpi-grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; margin-bottom: 26px;
}
@media (max-width: 1300px) { .kpi-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 800px) { .kpi-grid { grid-template-columns: repeat(2, 1fr); } }

.kpi-card {
  background: linear-gradient(160deg, var(--bg-card), var(--bg-2));
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 18px 18px 16px;
  position: relative;
  overflow: hidden;
}
.kpi-card::after {
  content: ''; position: absolute; top: -30px; right: -30px;
  width: 90px; height: 90px; border-radius: 50%;
  background: var(--kpi-glow, rgba(79,140,255,0.12));
  filter: blur(10px);
}
.kpi-icon {
  width: 34px; height: 34px; border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  background: var(--kpi-bg, var(--accent-blue));
  color: #fff; font-size: 14px; margin-bottom: 12px;
}
.kpi-label { font-size: 11.5px; color: var(--text-mid); font-weight: 600; text-transform: uppercase; letter-spacing: 0.4px; }
.kpi-value { font-size: 25px; font-weight: 800; margin-top: 4px; letter-spacing: -0.4px; }
.kpi-foot { font-size: 11.5px; color: var(--text-low); margin-top: 6px; }

.risk-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 11px; border-radius: 100px; font-size: 11.5px; font-weight: 800; letter-spacing: 0.4px;
  margin-top: 6px;
}
.risk-pill.low { background: rgba(52,211,153,0.15); color: var(--low); border: 1px solid rgba(52,211,153,0.35); }
.risk-pill.vlow { background: rgba(34,211,166,0.15); color: var(--vlow); border: 1px solid rgba(34,211,166,0.35); }
.risk-pill.medium { background: rgba(245,192,74,0.15); color: var(--medium); border: 1px solid rgba(245,192,74,0.35); }
.risk-pill.medhigh { background: rgba(240,144,74,0.15); color: var(--medhigh); border: 1px solid rgba(240,144,74,0.35); }
.risk-pill.high { background: rgba(240,84,106,0.15); color: var(--high); border: 1px solid rgba(240,84,106,0.35); }

/* ---------------------------------------------------------------- Grid layouts */

.dash-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 20px;
  margin-top: 6px;
}
@media (max-width: 1150px) { .dash-grid { grid-template-columns: 1fr; } }

.dash-col { display: flex; flex-direction: column; gap: 20px; }

/* Active sourcing event card */
.sourcing-event-card {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px;
}
.sourcing-event-id { font-size: 12px; color: var(--accent-teal); font-weight: 700; letter-spacing: 0.4px; }
.sourcing-event-title { font-size: 17px; font-weight: 800; margin: 4px 0 8px; }
.sourcing-meta { display: flex; gap: 18px; flex-wrap: wrap; font-size: 12.5px; color: var(--text-mid); }
.sourcing-meta span strong { color: var(--text-hi); }
.status-chip {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--accent-teal-dim); color: var(--accent-teal);
  padding: 5px 12px; border-radius: 100px; font-size: 11.5px; font-weight: 700; margin-top: 10px;
}
.status-chip i { animation: pulseDot 1.6s infinite; }
@keyframes pulseDot { 0%,100%{opacity:1;} 50%{opacity:0.4;} }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px; border-radius: 10px; font-size: 13px; font-weight: 700;
  border: 1px solid transparent; transition: transform .12s ease, box-shadow .12s ease, background .15s ease;
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: linear-gradient(135deg, var(--brand-red), #a91a2d); color: #fff; box-shadow: 0 8px 20px -8px rgba(224,34,60,0.6); }
.btn-primary:hover { box-shadow: 0 10px 24px -6px rgba(224,34,60,0.75); }
.btn-teal { background: linear-gradient(135deg, var(--accent-teal), #129e93); color: #06251f; box-shadow: 0 8px 20px -8px rgba(34,211,200,0.5); }
.btn-outline { background: transparent; border: 1px solid var(--border-strong); color: var(--text-hi); }
.btn-outline:hover { background: rgba(148,163,184,0.08); }
.btn-sm { padding: 7px 13px; font-size: 12px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* AI Opportunities */
.opportunity-list { display: flex; flex-direction: column; gap: 10px; }
.opportunity-item {
  display: flex; gap: 12px; align-items: flex-start;
  background: var(--bg-2); border: 1px solid var(--border-soft);
  border-radius: var(--radius-md); padding: 12px 14px;
}
.opportunity-item .icon-badge {
  width: 30px; height: 30px; border-radius: 8px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; font-size: 13px;
}
.opportunity-item p { margin: 0; font-size: 13px; color: var(--text-hi); line-height: 1.45; }
.icon-badge.badge-green { background: rgba(52,211,153,0.15); color: var(--low); }
.icon-badge.badge-blue { background: rgba(79,140,255,0.15); color: var(--accent-blue); }
.icon-badge.badge-teal { background: var(--accent-teal-dim); color: var(--accent-teal); }
.icon-badge.badge-amber { background: var(--accent-amber-dim); color: var(--accent-amber); }

/* Assistant chat */
.assistant-card { display: flex; flex-direction: column; gap: 14px; }
.chat-bubble {
  background: var(--bg-2); border: 1px solid var(--border-soft);
  border-radius: 14px 14px 14px 4px; padding: 14px 16px; font-size: 13.4px; color: var(--text-hi);
  line-height: 1.55;
}
.chat-avatar-row { display: flex; gap: 10px; align-items: flex-start; }
.chat-avatar {
  width: 32px; height: 32px; border-radius: 9px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--accent-teal), var(--accent-blue));
  display: flex; align-items: center; justify-content: center; color: #06121c; font-size: 13px;
}
.chat-strong { color: var(--accent-teal); font-weight: 800; }

/* ---------------------------------------------------------------- RFQ */

.rfq-info-grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-bottom: 24px;
}
@media (max-width: 1100px) { .rfq-info-grid { grid-template-columns: repeat(3,1fr); } }
@media (max-width: 650px) { .rfq-info-grid { grid-template-columns: repeat(2,1fr); } }
.info-tile {
  background: var(--bg-2); border: 1px solid var(--border-soft); border-radius: var(--radius-md);
  padding: 13px 14px;
}
.info-tile .lbl { font-size: 10.8px; color: var(--text-low); text-transform: uppercase; letter-spacing: 0.4px; font-weight: 700; }
.info-tile .val { font-size: 15.5px; font-weight: 800; margin-top: 4px; }

.pipeline {
  display: flex; align-items: center; gap: 0; margin: 6px 0 8px; overflow-x: auto; padding-bottom: 6px;
}
.pipeline-step { display: flex; flex-direction: column; align-items: center; gap: 8px; min-width: 128px; position: relative; }
.pipeline-step .dot {
  width: 34px; height: 34px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: var(--bg-2); border: 2px solid var(--border-strong); color: var(--text-low); font-size: 13px; z-index: 1;
}
.pipeline-step.done .dot { background: rgba(52,211,153,0.18); border-color: var(--low); color: var(--low); }
.pipeline-step.current .dot { background: rgba(224,34,60,0.18); border-color: var(--brand-red); color: #ff8a9b; box-shadow: 0 0 0 6px rgba(224,34,60,0.12); }
.pipeline-step .plabel { font-size: 11.5px; color: var(--text-mid); font-weight: 700; text-align: center; }
.pipeline-step.current .plabel { color: var(--text-hi); }
.pipeline-connector { flex: 1; height: 2px; background: var(--border-strong); margin: 0 -4px; margin-bottom: 26px; min-width: 24px; }
.pipeline-connector.done { background: var(--low); }

/* ---------------------------------------------------------------- Document ingestion */

.doc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 18px 0; }
@media (max-width: 950px) { .doc-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 620px) { .doc-grid { grid-template-columns: 1fr; } }

.doc-card {
  background: var(--bg-2); border: 1px solid var(--border-soft); border-radius: var(--radius-md);
  padding: 14px; display: flex; gap: 12px; align-items: center; transition: border-color .2s, background .2s;
}
.doc-card .doc-icon {
  width: 38px; height: 38px; border-radius: 9px; background: var(--accent-blue); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; color: #fff; font-size: 15px;
}
.doc-card .doc-name { font-size: 12.6px; font-weight: 700; word-break: break-word; }
.doc-card .doc-supplier { font-size: 11px; color: var(--text-low); margin-top: 2px; }
.doc-card.processed { border-color: rgba(52,211,153,0.4); background: rgba(52,211,153,0.06); }
.doc-card.processed .doc-icon { background: var(--low); }
.doc-card .doc-status { margin-left: auto; font-size: 15px; color: var(--text-low); flex-shrink: 0; }
.doc-card.processed .doc-status { color: var(--low); }
.doc-card.processing .doc-status i { animation: spin 1s linear infinite; color: var(--accent-teal); }
@keyframes spin { to { transform: rotate(360deg); } }

.processing-log {
  background: #060a13; border: 1px solid var(--border-soft); border-radius: var(--radius-md);
  padding: 16px 18px; font-family: 'Courier New', monospace; font-size: 12.6px; color: #8ff5d6;
  min-height: 190px; max-height: 260px; overflow-y: auto; margin: 16px 0;
}
.processing-log .log-line { margin-bottom: 6px; opacity: 0; animation: logIn .3s forwards; display: flex; gap: 8px; }
.processing-log .log-line i { color: var(--accent-teal); }
@keyframes logIn { to { opacity: 1; } }
.processing-log .log-line.log-final { color: #fff; font-weight: 700; }

.result-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; margin: 18px 0; }
@media (max-width: 700px) { .result-stats { grid-template-columns: 1fr; } }
.result-stat { background: var(--bg-2); border: 1px solid var(--border-soft); border-radius: var(--radius-md); padding: 16px; text-align: center; }
.result-stat .rs-value { font-size: 26px; font-weight: 800; color: var(--accent-teal); }
.result-stat .rs-label { font-size: 12px; color: var(--text-mid); margin-top: 4px; }

/* ---------------------------------------------------------------- Tables */

.table-wrap { overflow-x: auto; border-radius: var(--radius-md); border: 1px solid var(--border-soft); }
table.data-table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 900px; }
table.data-table th {
  background: var(--bg-2); color: var(--text-mid); font-size: 11px; text-transform: uppercase;
  letter-spacing: 0.4px; font-weight: 700; padding: 12px 14px; text-align: left; white-space: nowrap;
  border-bottom: 1px solid var(--border-soft); position: sticky; top: 0;
}
table.data-table td { padding: 12px 14px; border-bottom: 1px solid var(--border-soft); vertical-align: middle; white-space: nowrap; }
table.data-table tbody tr { transition: background .15s ease; }
table.data-table tbody tr:hover { background: rgba(148,163,184,0.05); }
table.data-table tbody tr:last-child td { border-bottom: none; }
table.data-table tbody tr.rank-1 { background: rgba(34,211,200,0.06); }

.supplier-cell { display: flex; align-items: center; gap: 10px; }
.supplier-avatar {
  width: 30px; height: 30px; border-radius: 8px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 12px; color: #fff;
}
.supplier-name-wrap .sname { font-weight: 700; font-size: 13px; }
.supplier-name-wrap .scountry { font-size: 10.8px; color: var(--text-low); }

.dot-indicator { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 6px; }
.dot-indicator.low, .dot-indicator.vlow { background: var(--low); box-shadow: 0 0 8px var(--low); }
.dot-indicator.medium { background: var(--medium); box-shadow: 0 0 8px var(--medium); }
.dot-indicator.medhigh { background: var(--medhigh); box-shadow: 0 0 8px var(--medhigh); }
.dot-indicator.high { background: var(--high); box-shadow: 0 0 8px var(--high); }

.score-bar-wrap { display: flex; align-items: center; gap: 8px; min-width: 110px; }
.score-bar-track { flex: 1; height: 7px; background: var(--bg-3); border-radius: 4px; overflow: hidden; }
.score-bar-fill { height: 100%; border-radius: 4px; }
.score-bar-val { font-size: 12px; font-weight: 700; width: 32px; text-align: right; }

.ai-score-badge {
  display: inline-flex; align-items: center; gap: 6px; font-weight: 800; font-size: 13.5px;
  padding: 5px 11px; border-radius: 8px;
}

.badge-rank {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px; border-radius: 6px; font-size: 11px; font-weight: 800; margin-right: 6px;
  background: var(--bg-3); color: var(--text-mid);
}
.badge-rank.gold { background: rgba(245,192,74,0.2); color: var(--medium); }

/* ---------------------------------------------------------------- Scoring sliders */

.weights-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px 34px; margin-top: 10px; }
@media (max-width: 900px) { .weights-grid { grid-template-columns: 1fr; } }
.weight-row { }
.weight-row .wr-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; font-size: 13px; font-weight: 700; }
.weight-row .wr-top span.wval { color: var(--accent-teal); font-size: 15px; }
input[type="range"] {
  -webkit-appearance: none; width: 100%; height: 6px; border-radius: 4px;
  background: var(--bg-3); outline: none;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 18px; height: 18px; border-radius: 50%;
  background: var(--accent-teal); border: 3px solid #06251f; cursor: pointer;
  box-shadow: 0 0 0 4px rgba(34,211,200,0.2);
}
input[type="range"]::-moz-range-thumb {
  width: 18px; height: 18px; border-radius: 50%; background: var(--accent-teal); border: 3px solid #06251f; cursor: pointer;
}
.weight-total-note { margin-top: 16px; font-size: 12.5px; color: var(--text-mid); display: flex; align-items: center; gap: 8px; }
.weight-total-note .total-badge { font-weight: 800; color: var(--text-hi); }
.weight-total-note .total-badge.off { color: var(--high); }

.preset-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }

/* ---------------------------------------------------------------- Award */

.award-alloc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin: 16px 0 20px; }
@media (max-width: 1000px) { .award-alloc-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 600px) { .award-alloc-grid { grid-template-columns: 1fr; } }
.alloc-card {
  border-radius: var(--radius-md); padding: 15px; border: 1px solid var(--border-soft);
  background: var(--bg-2); position: relative; overflow: hidden;
}
.alloc-card .alloc-top-bar { height: 4px; border-radius: 4px; margin-bottom: 12px; }
.alloc-card .alloc-supplier { font-weight: 800; font-size: 13.5px; }
.alloc-card .alloc-tons { font-size: 22px; font-weight: 800; margin-top: 8px; }
.alloc-card .alloc-share { font-size: 12px; color: var(--text-mid); margin-top: 2px; }

.metrics-strip { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; margin: 20px 0; }
@media (max-width: 1200px) { .metrics-strip { grid-template-columns: repeat(3,1fr); } }
@media (max-width: 650px) { .metrics-strip { grid-template-columns: repeat(2,1fr); } }
.metric-box {
  background: var(--bg-2); border: 1px solid var(--border-soft); border-radius: var(--radius-md);
  padding: 14px; text-align: center;
}
.metric-box .mv { font-size: 19px; font-weight: 800; }
.metric-box .ml { font-size: 10.8px; color: var(--text-mid); margin-top: 4px; text-transform: uppercase; letter-spacing: 0.3px; font-weight: 700; }

.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 18px; }
@media (max-width: 950px) { .compare-grid { grid-template-columns: 1fr; } }

.explain-panel {
  background: linear-gradient(160deg, rgba(34,211,200,0.09), rgba(79,140,255,0.03));
  border: 1px solid rgba(34,211,200,0.3); border-radius: var(--radius-lg);
  padding: 22px; margin-top: 18px; display: none;
}
.explain-panel.open { display: block; animation: fadeUp .35s ease; }
.explain-panel p { font-size: 13.6px; line-height: 1.7; color: var(--text-hi); margin: 0 0 14px; }
.explain-panel .drivers-title { font-weight: 800; margin-top: 8px; margin-bottom: 10px; font-size: 14px; color: var(--accent-teal); }
.driver-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.driver-list li { display: flex; align-items: center; gap: 10px; font-size: 13.3px; }
.driver-list li i { color: var(--accent-teal); }

/* ---------------------------------------------------------------- Cost breakdown */

.supplier-select-row { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.supplier-chip {
  padding: 8px 15px; border-radius: 100px; border: 1px solid var(--border-strong);
  font-size: 12.6px; font-weight: 700; color: var(--text-mid); background: var(--bg-2);
}
.supplier-chip.active { background: linear-gradient(135deg, var(--brand-red), #a91a2d); color: #fff; border-color: transparent; }

.breakdown-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 20px; }
@media (max-width: 1000px) { .breakdown-grid { grid-template-columns: 1fr; } }

.bd-row { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.bd-row .bd-label { width: 160px; font-size: 12.6px; color: var(--text-mid); flex-shrink: 0; }
.bd-row .bd-bar-track { flex: 1; height: 20px; background: var(--bg-3); border-radius: 5px; overflow: hidden; position: relative; }
.bd-row .bd-bar-fill { height: 100%; border-radius: 5px; background: linear-gradient(90deg, var(--accent-blue), var(--accent-teal)); }
.bd-row .bd-bar-fill.negative { background: linear-gradient(90deg, #34d399, #22d3c8); }
.bd-row .bd-value { width: 66px; text-align: right; font-size: 12.6px; font-weight: 700; flex-shrink: 0; }

.price-compare-card { display: flex; flex-direction: column; gap: 16px; }
.price-line { display: flex; justify-content: space-between; align-items: center; padding: 12px 0; border-bottom: 1px dashed var(--border-soft); }
.price-line:last-child { border-bottom: none; }
.price-line .pl-label { font-size: 12.8px; color: var(--text-mid); }
.price-line .pl-value { font-size: 18px; font-weight: 800; }

.status-badge {
  display: inline-flex; align-items: center; gap: 7px; padding: 8px 14px; border-radius: 10px;
  font-size: 13px; font-weight: 800;
}
.status-badge.vlow { background: rgba(34,211,166,0.15); color: var(--vlow); }
.status-badge.medium { background: rgba(245,192,74,0.15); color: var(--medium); }
.status-badge.high { background: rgba(240,84,106,0.15); color: var(--high); }

.negotiation-list { list-style: none; margin: 14px 0 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.negotiation-list li {
  background: var(--bg-2); border: 1px solid var(--border-soft); border-radius: var(--radius-md);
  padding: 12px 14px; font-size: 13px; display: flex; gap: 10px; align-items: flex-start; opacity: 0;
  animation: fadeUp .4s forwards;
}
.negotiation-list li i { color: var(--accent-amber); margin-top: 2px; }

/* ---------------------------------------------------------------- Risk */

.risk-supplier-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
@media (max-width: 1050px) { .risk-supplier-grid { grid-template-columns: 1fr; } }

.risk-card { border-radius: var(--radius-lg); border: 1px solid var(--border-soft); background: var(--bg-card); padding: 18px; }
.risk-card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.risk-card-head .rname { font-weight: 800; font-size: 14.5px; }

.risk-cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin: 12px 0; }
@media (max-width: 500px) { .risk-cat-grid { grid-template-columns: repeat(2,1fr); } }
.risk-cat-cell {
  background: var(--bg-2); border-radius: 8px; padding: 8px 8px; text-align: center; border: 1px solid var(--border-soft);
}
.risk-cat-cell .rc-label { font-size: 9.6px; color: var(--text-low); text-transform: uppercase; font-weight: 700; letter-spacing: 0.3px; margin-bottom: 5px; }
.risk-cat-cell .rc-dot { width: 10px; height: 10px; border-radius: 50%; margin: 0 auto 4px; }
.risk-cat-cell .rc-val { font-size: 10.6px; font-weight: 700; }

.risk-notes { list-style: none; margin: 10px 0 0; padding: 0; display: flex; flex-direction: column; gap: 7px; }
.risk-notes li { font-size: 12.4px; color: var(--text-mid); display: flex; gap: 8px; }
.risk-notes li i { margin-top: 3px; font-size: 10px; }
.risk-card.high-risk .risk-notes li i { color: var(--high); }
.risk-card.low-risk .risk-notes li i { color: var(--low); }
.risk-card.medium-risk .risk-notes li i { color: var(--medium); }

/* ---------------------------------------------------------------- Sustainability */

.sustain-hero {
  background: linear-gradient(135deg, rgba(34,211,166,0.14), rgba(34,211,200,0.03));
  border: 1px solid rgba(34,211,166,0.3); border-radius: var(--radius-lg);
  padding: 26px; margin-bottom: 22px; display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap;
}
.sustain-hero .sh-text { max-width: 620px; }
.sustain-hero h2 { margin: 0 0 8px; font-size: 20px; }
.sustain-hero p { margin: 0; color: var(--text-mid); font-size: 13.5px; line-height: 1.6; }
.sustain-hero .sh-num { font-size: 42px; font-weight: 800; color: var(--vlow); text-align: center; }
.sustain-hero .sh-num-label { font-size: 12px; color: var(--text-mid); text-align: center; margin-top: 4px; }

.circular-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 22px; }
@media (max-width: 1050px) { .circular-grid { grid-template-columns: repeat(2,1fr); } }
.circular-stat { background: var(--bg-2); border: 1px solid var(--border-soft); border-radius: var(--radius-md); padding: 16px; text-align: center; }
.circular-stat .cs-icon { font-size: 20px; color: var(--vlow); margin-bottom: 8px; }
.circular-stat .cs-val { font-size: 22px; font-weight: 800; }
.circular-stat .cs-label { font-size: 11.5px; color: var(--text-mid); margin-top: 4px; }

/* ---------------------------------------------------------------- Chart containers */
.chart-box { position: relative; height: 280px; }
.chart-box.tall { height: 340px; }

/* ---------------------------------------------------------------- misc */
.flex-between { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.text-mid { color: var(--text-mid); }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 950px) { .grid-2 { grid-template-columns: 1fr; } }

.badge-cert {
  display: inline-flex; align-items: center; gap: 5px; background: var(--bg-3); border: 1px solid var(--border-soft);
  padding: 3px 9px; border-radius: 100px; font-size: 10.6px; font-weight: 700; color: var(--text-mid); margin: 2px 3px 0 0;
}

.modal-overlay {
  position: fixed; inset: 0; background: rgba(4,7,14,0.72); backdrop-filter: blur(3px);
  display: none; align-items: center; justify-content: center; z-index: 100; padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal-box {
  background: var(--bg-card); border: 1px solid var(--border-strong); border-radius: var(--radius-lg);
  max-width: 640px; width: 100%; max-height: 85vh; overflow-y: auto; padding: 26px;
  box-shadow: 0 30px 80px -20px rgba(0,0,0,0.7); animation: fadeUp .25s ease;
}
.modal-box h3 { margin-top: 0; }
.modal-close { float: right; background: none; border: none; color: var(--text-mid); font-size: 18px; }

@media (max-width: 900px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .main-area { padding: 18px; }
}