/* =========================================================================
   Manildra Warehouse Picking HMI — dark theme
   Mirrors the mockup at ~/manildra/hmi_mockup.jpg approximately.
   ========================================================================= */

:root {
  --bg-base:        #0f1722;
  --bg-panel:       #161e2b;
  --bg-panel-2:     #1b2433;
  --bg-elev:        #1f2a3a;
  --border:         #2a3445;
  --border-soft:    #243044;
  --text:           #e7ecf3;
  --text-muted:     #8a98ad;
  --text-dim:       #6b788d;

  --accent-teal:    #36c5b4;
  --accent-teal-2:  #2aa89a;
  --accent-green:   #4dd09a;
  --accent-amber:   #f4b942;
  --accent-red:     #e26464;
  --accent-gold:    #c9a96e;

  --shadow-1: 0 1px 3px rgba(0,0,0,.35);
  --shadow-2: 0 4px 14px rgba(0,0,0,.40);
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg-base);
  color: var(--text);
  font-size: 14px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-teal); text-decoration: none; }
a:hover { color: var(--accent-green); }

/* -----------------------------------------------------------------------
   App header
   ----------------------------------------------------------------------- */
.app-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark {
  width: 38px; height: 38px; border-radius: 8px;
  background: linear-gradient(135deg, #36c5b4 0%, #2aa89a 100%);
  display: grid; place-items: center; font-size: 20px;
}
.brand-title { font-size: 17px; font-weight: 700; margin: 0; letter-spacing: -.01em; }
.brand-subtitle { font-size: 12px; color: var(--text-muted); margin: 2px 0 0; }

.tabs { display: flex; gap: 6px; }
.tab {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: 8px;
  background: transparent; color: var(--text-muted);
  font-size: 13px; font-weight: 500;
  border: 1px solid transparent;
  transition: all .15s ease;
}
.tab:hover { background: var(--bg-elev); color: var(--text); }
.tab-active {
  background: var(--bg-elev);
  color: var(--accent-green);
  border-color: var(--border);
  box-shadow: inset 0 -2px 0 var(--accent-green);
}
.tab-icon { font-size: 13px; opacity: .8; }

/* -----------------------------------------------------------------------
   Flash messages
   ----------------------------------------------------------------------- */
.flash-stack { padding: 12px 24px 0; }
.flash {
  padding: 10px 14px; border-radius: 8px;
  margin-bottom: 8px;
  background: var(--bg-panel);
  border-left: 3px solid var(--accent-teal);
  font-size: 13px;
}
.flash-error { border-left-color: var(--accent-red); }
.flash-success { border-left-color: var(--accent-green); }

/* -----------------------------------------------------------------------
   Dashboard layout
   ----------------------------------------------------------------------- */
.app-main { padding: 24px; max-width: 1500px; margin: 0 auto; }
.dashboard {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 20px;
}
@media (max-width: 1100px) {
  .dashboard { grid-template-columns: 1fr; }
}

/* -----------------------------------------------------------------------
   Sidebar (model parameters)
   ----------------------------------------------------------------------- */
.sidebar {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  align-self: start;
  position: sticky;
  top: 90px;
  display: flex; flex-direction: column; gap: 14px;
}
.sidebar-header h2 {
  font-size: 12px; letter-spacing: .14em;
  color: var(--text-muted); margin: 0;
  display: flex; align-items: center; gap: 6px;
}
.gear-icon { font-size: 14px; }

.slider-group {
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  padding: 12px 12px 8px;
  margin: 0;
}
.slider-group legend {
  font-size: 11px; color: var(--text-dim);
  letter-spacing: .12em; text-transform: uppercase;
  padding: 0 6px;
}

.slider-row { padding: 8px 0; border-top: 1px solid var(--border-soft); }
.slider-row:first-of-type { border-top: 0; }

.slider-row label {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 8px;
  font-size: 12.5px;
}
.slider-label { color: var(--text); }
.slider-value {
  font-size: 12px;
  color: var(--text-muted);
  background: var(--bg-base);
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid var(--border);
}

.slider-row input[type="range"] {
  width: 100%; height: 6px;
  appearance: none; -webkit-appearance: none;
  background: linear-gradient(90deg, var(--accent-teal) 0%, var(--accent-teal) 50%, #2a3445 50%, #2a3445 100%);
  border-radius: 3px; outline: none;
}
.slider-row input[type="range"]::-webkit-slider-thumb {
  appearance: none; -webkit-appearance: none;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--accent-teal); border: 2px solid #fff;
  cursor: pointer; box-shadow: var(--shadow-1);
}
.slider-row input[type="range"]::-moz-range-thumb {
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--accent-teal); border: 2px solid #fff;
  cursor: pointer; box-shadow: var(--shadow-1);
}
.slider-help {
  display: block;
  margin-top: 4px;
  color: var(--text-dim);
  font-size: 11px;
  line-height: 1.35;
}

/* summary card */
.summary-card {
  background: linear-gradient(135deg, rgba(54,197,180,.10) 0%, rgba(77,208,154,.06) 100%);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent-green);
  border-radius: 10px;
  padding: 14px 16px;
}
.summary-title {
  font-size: 11px; color: var(--text-muted);
  letter-spacing: .14em; text-transform: uppercase;
  margin-bottom: 8px;
}
.summary-amount {
  display: flex; align-items: baseline; gap: 6px;
}
.summary-amount .amount {
  font-size: 26px; font-weight: 700; color: var(--accent-green);
  letter-spacing: -.01em;
}
.summary-amount .amount-unit {
  font-size: 12px; color: var(--text-muted);
}
.summary-sub { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* generate button */
.generate-btn {
  width: 100%; padding: 12px 16px; margin-top: 6px;
  border: none; border-radius: 8px;
  background: linear-gradient(90deg, var(--accent-green) 0%, var(--accent-teal) 100%);
  color: #0a1820; font-weight: 700; font-size: 14px;
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  box-shadow: var(--shadow-1);
  transition: transform .08s ease, box-shadow .15s ease;
}
.generate-btn:hover { box-shadow: var(--shadow-2); }
.generate-btn:active { transform: translateY(1px); }
.btn-icon { font-size: 14px; }

/* -----------------------------------------------------------------------
   Main content
   ----------------------------------------------------------------------- */
.main { display: flex; flex-direction: column; gap: 18px; }

/* import banner */
.import-banner {
  display: flex; align-items: center; justify-content: space-between;
  background: linear-gradient(90deg, rgba(77,208,154,.10) 0%, rgba(54,197,180,.06) 100%);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent-green);
  border-radius: 10px;
  padding: 12px 16px;
}
.import-left { display: flex; align-items: center; gap: 12px; }
.check-icon {
  width: 28px; height: 28px; border-radius: 8px;
  display: grid; place-items: center;
  background: var(--accent-green); color: #082318;
  font-weight: 700;
}
.muted { color: var(--text-muted); font-size: 12px; }
.import-right { text-align: right; }

/* executive analysis card */
.exec-card {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px 26px;
  position: relative;
  overflow: hidden;
}
.exec-card::after {
  content: "";
  position: absolute; right: -80px; top: -80px;
  width: 240px; height: 240px;
  background: radial-gradient(circle, rgba(54,197,180,.18) 0%, transparent 70%);
  pointer-events: none;
}
.pill {
  display: inline-block; padding: 4px 10px; border-radius: 999px;
  font-size: 11px; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase;
}
.pill-green {
  background: rgba(77,208,154,.15);
  color: var(--accent-green);
  border: 1px solid rgba(77,208,154,.35);
}
.exec-title { font-size: 22px; margin: 12px 0 8px; }
.exec-body { font-size: 13.5px; color: var(--text-muted); margin: 0; max-width: 720px; }
.exec-cta { flex-shrink: 0; position: relative; z-index: 1; }
.launch-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 22px;
  background: linear-gradient(135deg, var(--accent-green) 0%, var(--accent-teal) 100%);
  color: #082318; font-weight: 700; font-size: 14px;
  border-radius: 10px;
  box-shadow: var(--shadow-2);
}
.launch-btn:hover { transform: translateY(-1px); }

/* KPI grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
@media (max-width: 900px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
}
.kpi-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  display: flex; flex-direction: column; gap: 6px;
}
.kpi-label {
  font-size: 11px; color: var(--text-muted);
  letter-spacing: .14em; text-transform: uppercase;
  display: flex; align-items: center; gap: 6px;
}
.kpi-value {
  font-size: 24px; font-weight: 700; color: var(--accent-green);
  letter-spacing: -.01em;
}
.kpi-sub { font-size: 11.5px; color: var(--text-muted); }

/* weekly cost comparison chart */
.chart-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 22px 22px;
}
.chart-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  margin-bottom: 14px;
}
.chart-header h3 { margin: 0 0 4px; font-size: 16px; }
.chart-legend { display: flex; gap: 16px; font-size: 12px; color: var(--text-muted); }
.legend-item { display: inline-flex; align-items: center; gap: 6px; }
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.dot-amber { background: var(--accent-amber); }
.dot-green { background: var(--accent-green); }

.weekly-chart { display: flex; flex-direction: column; gap: 10px; }
.weekly-row {
  display: grid;
  grid-template-columns: 100px 1fr auto;
  align-items: center; gap: 12px;
  background: var(--bg-panel-2);
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  padding: 10px 14px;
}
.weekly-date { font-weight: 600; font-size: 13px; color: var(--text-muted); }
.weekly-bars { display: flex; flex-direction: column; gap: 6px; }
.bar-row { display: flex; align-items: center; gap: 8px; font-size: 11.5px; }
.bar-row .bar-label {
  width: 70px; color: var(--text-muted);
}
.bar-row .bar {
  height: 14px; border-radius: 4px; min-width: 4px;
  display: inline-flex; align-items: center; justify-content: flex-end;
  padding: 0 8px;
  color: #0a1820; font-weight: 700; font-size: 10.5px;
}
.bar-amber { background: var(--accent-amber); }
.bar-green { background: var(--accent-green); }
.weekly-saved {
  background: rgba(77,208,154,.12);
  border: 1px solid rgba(77,208,154,.35);
  color: var(--accent-green);
  padding: 4px 10px; border-radius: 6px;
  font-size: 12px; font-weight: 700;
  text-align: center;
  white-space: nowrap;
}

/* -----------------------------------------------------------------------
   Footer
   ----------------------------------------------------------------------- */
.app-footer {
  margin: 32px 24px 18px;
  padding: 12px 18px;
  display: flex; justify-content: space-between;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-muted);
  font-size: 12px;
}

/* -----------------------------------------------------------------------
   Tab pages (weekly, pitch, revisions)
   ----------------------------------------------------------------------- */
.page-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px 26px;
}
.page-card h2 { margin: 0 0 12px; font-size: 18px; }
.page-card table {
  width: 100%; border-collapse: collapse;
  font-size: 13px;
}
.page-card th, .page-card td {
  padding: 8px 10px;
  text-align: left;
  border-bottom: 1px solid var(--border-soft);
}
.page-card th {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: .12em; text-transform: uppercase;
}
.page-card td.num, .page-card th.num { text-align: right; font-variant-numeric: tabular-nums; }
.page-card tr:hover td { background: var(--bg-elev); }

.pill-soft {
  display: inline-block; padding: 3px 8px; border-radius: 999px;
  font-size: 11px; font-weight: 600;
  background: var(--bg-elev); color: var(--text);
  border: 1px solid var(--border);
}
.pill-green-soft {
  background: rgba(77,208,154,.12);
  color: var(--accent-green);
  border-color: rgba(77,208,154,.35);
}

.code-block {
  font-family: "SF Mono", Menlo, Consolas, monospace;
  font-size: 12px;
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
  max-height: 380px;
  overflow: auto;
  color: var(--text);
  white-space: pre;
}

.artefact-list {
  display: flex; gap: 12px; flex-wrap: wrap; margin-top: 10px;
}
.artefact-card {
  background: var(--bg-panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  flex: 1; min-width: 260px;
}
.artefact-kind { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .12em; }
.artefact-name { font-size: 14px; font-weight: 600; margin-top: 4px; word-break: break-all; }
.artefact-meta { font-size: 11.5px; color: var(--text-muted); margin-top: 6px; }
.download-btn {
  display: inline-block; margin-top: 10px;
  padding: 8px 14px; border-radius: 6px;
  background: var(--accent-teal); color: #082318;
  font-weight: 600; font-size: 12px;
}
.download-btn:hover { background: var(--accent-teal-2); color: #082318; }