/* ============================================================
   Demo page - MES/ERP showcase styling
   Reuses tokens from styles.css; adds the app-shell visuals.
   ============================================================ */

/* ---------- Banner ---------- */
.demo-banner {
  background: linear-gradient(90deg, rgba(245,196,81,0.10) 0%, rgba(245,196,81,0.04) 100%);
  border-bottom: 1px solid rgba(245,196,81,0.25);
}
.demo-banner-inner {
  display: flex; align-items: center; gap: 16px;
  padding: 12px 28px;
  font-size: 13.5px;
  color: var(--fg-soft);
}
.demo-banner-text strong { color: var(--fg); }
.demo-badge {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1.5px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--yellow);
  color: #1a1300;
  font-weight: 700;
  flex-shrink: 0;
}

/* ---------- Intro ---------- */
.demo-intro {
  padding: 56px 28px 32px;
}
.demo-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 26px;
}
.demo-meta-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
}
.demo-meta-k {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--fg-mute);
  text-transform: uppercase;
  margin-bottom: 4px;
}
.demo-meta-v {
  font-size: 14px;
  color: var(--fg);
}

/* ============================================================
   APP FRAME / WINDOW CHROME
   ============================================================ */
.app-frame {
  padding: 16px 28px 48px;
}
.window-chrome {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #0a0e18;
  border: 1px solid var(--border);
  border-bottom: none;
  border-radius: 14px 14px 0 0;
  padding: 10px 14px;
}
.window-url {
  flex: 1;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 14px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--fg-soft);
  display: flex; align-items: center; gap: 8px;
}
.url-lock { color: var(--accent-2); }
.url-text { color: var(--fg-soft); }
.window-user {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--fg-mute);
  padding: 4px 12px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 999px;
}

.app-shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 0 0 14px 14px;
  min-height: 720px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

/* ---------- Sidebar ---------- */
.app-sidebar {
  background: #0b1020;
  border-right: 1px solid var(--border);
  padding: 18px 12px 16px;
  display: flex; flex-direction: column;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  padding: 4px 8px 18px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 14px;
}
.brand-mark {
  width: 36px; height: 36px;
  border-radius: 9px;
  background: var(--grad);
  color: #0a0d12;
  font-family: var(--mono);
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.brand-name { font-weight: 700; font-size: 14px; color: var(--fg); }
.brand-env  { font-family: var(--mono); font-size: 11px; color: var(--fg-mute); }

.app-nav { display: flex; flex-direction: column; gap: 2px; }
.app-nav-section {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--fg-mute);
  text-transform: uppercase;
  letter-spacing: 1.4px;
  padding: 12px 10px 6px;
}
.app-nav-link {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 13.5px;
  color: var(--fg-soft);
  cursor: pointer;
  text-decoration: none;
  transition: background .15s ease, color .15s ease;
}
.app-nav-link .ico {
  width: 18px; text-align: center;
  color: var(--fg-mute);
  font-family: var(--mono);
}
.app-nav-link:hover { background: rgba(255,255,255,0.04); color: var(--fg); }
.app-nav-link.active {
  background: rgba(124,156,255,0.15);
  color: var(--fg);
}
.app-nav-link.active .ico { color: var(--accent); }

.sidebar-bottom {
  margin-top: auto;
  padding-top: 14px;
}
.sidebar-help {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--fg-mute);
  background: rgba(245,196,81,0.06);
  border: 1px solid rgba(245,196,81,0.18);
  border-radius: 10px;
  padding: 10px 12px;
  line-height: 1.55;
}
.sidebar-help strong { color: var(--yellow); display: inline-block; margin-bottom: 4px; }

/* ---------- Main ---------- */
.app-main {
  padding: 24px 24px 32px;
  overflow-y: auto;
}

.view { display: none; animation: fadeIn .35s ease; }
.view.active { display: block; }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: none; }
}

.view-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}
.crumb {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--fg-mute);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
}
.view-head h2 {
  margin: 0;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.view-actions {
  display: flex; gap: 6px; flex-wrap: wrap;
}
.btn-mini {
  background: var(--surface);
  color: var(--fg-soft);
  font-family: var(--mono);
  font-size: 12px;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.btn-mini:hover { color: var(--fg); border-color: var(--accent); }
.btn-mini.active {
  background: rgba(124,156,255,0.16);
  color: var(--fg);
  border-color: var(--accent);
}
.btn-mini.primary {
  background: var(--grad);
  color: #0a0d12;
  border-color: transparent;
  font-weight: 700;
}

/* ---------- Cards ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 18px 16px;
  margin-bottom: 16px;
}
.card-head {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 12px;
  gap: 12px;
}
.card-head h3 {
  margin: 0;
  font-size: 15.5px;
  font-weight: 700;
}
.card-sub {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--fg-mute);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

/* ---------- KPI ---------- */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
  margin-bottom: 18px;
}
.kpi-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 14px 12px;
}
.kpi-lbl {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--fg-mute);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}
.kpi-val {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 24px;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 4px;
}
.kpi-unit { font-size: 14px; }
.kpi-trend {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-mute);
}
.kpi-trend.up { color: var(--green); }
.kpi-trend.down { color: var(--red); }

/* ---------- Charts ---------- */
.chart {
  display: flex; align-items: flex-end; gap: 10px;
  height: 160px;
  padding: 10px 4px 0;
}
.chart .bar {
  flex: 1;
  display: flex; flex-direction: column; align-items: center; justify-content: flex-end;
  gap: 6px;
  height: 100%;
}
.chart .bar span {
  display: block;
  width: 100%;
  height: var(--h, 50%);
  border-radius: 6px 6px 0 0;
  background: linear-gradient(180deg, var(--accent) 0%, rgba(94,234,212,0.6) 100%);
  box-shadow: 0 0 16px rgba(124,156,255,0.18);
}
.chart .bar b {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-mute);
  font-weight: 500;
}

/* ---------- Activity list ---------- */
.activity-list {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-direction: column; gap: 8px;
}
.activity-list li {
  display: grid;
  grid-template-columns: 80px 56px 1fr;
  align-items: center;
  gap: 12px;
  padding: 8px 4px;
  border-bottom: 1px dashed var(--border);
}
.activity-list li:last-child { border-bottom: none; }
.act-time { font-family: var(--mono); font-size: 11.5px; color: var(--fg-mute); }
.act-tag {
  font-family: var(--mono);
  font-size: 10.5px;
  text-align: center;
  padding: 3px 6px;
  border-radius: 6px;
  font-weight: 600;
}
.tag-prod { background: rgba(124,156,255,0.16); color: var(--accent); }
.tag-qc   { background: rgba(94,234,212,0.14);  color: var(--accent-2); }
.tag-inv  { background: rgba(196,181,253,0.14); color: var(--accent-3); }
.tag-acc  { background: rgba(245,196,81,0.14);  color: var(--yellow); }
.tag-dis  { background: rgba(255,123,156,0.14); color: var(--k); }
.act-msg  { font-size: 13px; color: var(--fg); }
.act-msg code { font-family: var(--mono); color: var(--fg); background: rgba(255,255,255,0.04); padding: 1px 5px; border-radius: 4px; }
.act-msg strong { color: var(--fg); }

/* ---------- Tables ---------- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}
.data-table thead th {
  text-align: left;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-mute);
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
}
.data-table tbody td {
  padding: 10px;
  border-bottom: 1px dashed var(--border);
  color: var(--fg);
}
.data-table tbody tr:hover { background: rgba(255,255,255,0.02); }
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table code {
  font-family: var(--mono);
  font-size: 12.5px;
  background: rgba(255,255,255,0.04);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--accent);
}
.tr-total td {
  border-top: 1px solid var(--border);
  background: rgba(124,156,255,0.05);
}

/* ---------- Pills ---------- */
.pill {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 999px;
  font-weight: 600;
  letter-spacing: 0.3px;
}
.pill-blue  { background: rgba(124,156,255,0.18); color: var(--accent); }
.pill-amber { background: rgba(245,196,81,0.18); color: var(--yellow); }
.pill-green { background: rgba(52,211,153,0.18); color: var(--green); }
.pill-grey  { background: rgba(255,255,255,0.06); color: var(--fg-mute); }

/* ---------- KV grid ---------- */
.kv-grid {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 8px 14px;
  margin: 0;
}
.kv-grid dt {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--fg-mute);
  text-transform: uppercase;
  letter-spacing: 0.7px;
  padding-top: 2px;
}
.kv-grid dd { margin: 0; font-size: 13.5px; color: var(--fg); }
.kv-grid dd strong { color: var(--fg); }

/* ---------- Status / check lists ---------- */
.status-list, .check-list {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-direction: column; gap: 8px;
}
.status-list li, .check-list li {
  display: flex; align-items: center; gap: 10px;
  font-size: 13px;
  color: var(--fg);
  padding: 4px 0;
}
.led {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.led-g { background: var(--green); box-shadow: 0 0 8px rgba(52,211,153,0.7); }
.led-y { background: var(--yellow); box-shadow: 0 0 8px rgba(245,196,81,0.7); }
.led-r { background: var(--red); box-shadow: 0 0 8px rgba(248,113,113,0.7); }
.led-grey { background: var(--fg-mute); }

.mini-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--border);
}
.mini-stats > div {
  display: flex; flex-direction: column;
  background: rgba(255,255,255,0.02);
  border-radius: 8px;
  padding: 8px 10px;
}
.mini-stats span {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--fg-mute);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.mini-stats strong {
  font-family: var(--mono);
  font-size: 15px;
  color: var(--fg);
}

/* ---------- Tanks ---------- */
.tanks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.tank {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
}
.tank-head {
  display: flex; justify-content: space-between; align-items: center;
  font-weight: 600;
  font-size: 13.5px;
  margin-bottom: 8px;
}
.tank-fill {
  background: rgba(255,255,255,0.04);
  border-radius: 6px;
  height: 60px;
  overflow: hidden;
  position: relative;
  margin-bottom: 8px;
}
.tank-fill span {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: var(--f, 50%);
  background: linear-gradient(180deg, rgba(94,234,212,0.85) 0%, rgba(124,156,255,0.85) 100%);
  border-radius: 6px 6px 0 0;
  animation: tankPulse 2.4s ease-in-out infinite;
}
@keyframes tankPulse { 50% { opacity: 0.8; } }
.tank-meta {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--fg-mute);
}

/* ---------- Ring chart ---------- */
.ring-chart {
  display: flex; align-items: center; gap: 22px;
}
.ring {
  width: 130px; height: 130px;
  border-radius: 50%;
  background: conic-gradient(var(--accent) var(--p), rgba(255,255,255,0.06) 0);
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.ring-inner {
  width: 96px; height: 96px;
  background: var(--surface);
  border-radius: 50%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.ring-val {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 22px;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.ring-lbl {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-mute);
  text-transform: uppercase;
  letter-spacing: 1.2px;
}
.ring-legend {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-direction: column; gap: 8px;
  font-size: 13px;
}
.ring-legend .dot {
  display: inline-block;
  width: 10px; height: 10px;
  border-radius: 50%;
  margin-right: 8px;
}
.d-blue { background: var(--accent); }
.d-green { background: var(--accent-2); }
.d-purple { background: var(--accent-3); }

/* ---------- Report list ---------- */
.report-list {
  list-style: none; margin: 0; padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px 12px;
}
.report-list li {
  display: flex; align-items: center; gap: 10px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 13.5px;
}
.rep-ico { color: var(--accent-2); }

/* ---------- After note ---------- */
.after-note {
  margin: 18px auto 0;
  max-width: 880px;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--fg-mute);
  text-align: center;
  background: rgba(124,156,255,0.04);
  border: 1px dashed var(--border);
  border-radius: 10px;
  padding: 12px 18px;
}
.after-note strong { color: var(--fg); }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .kpi-row { grid-template-columns: repeat(3, 1fr); }
  .demo-meta { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 880px) {
  .app-shell { grid-template-columns: 1fr; }
  .app-sidebar { border-right: none; border-bottom: 1px solid var(--border); }
  .app-nav { flex-direction: row; flex-wrap: wrap; }
  .app-nav-section { width: 100%; padding: 6px 8px 4px; }
  .app-nav-link { flex: 1 1 auto; }
  .grid-2 { grid-template-columns: 1fr; }
  .report-list { grid-template-columns: 1fr; }
  .ring-chart { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 560px) {
  .kpi-row { grid-template-columns: repeat(2, 1fr); }
  .window-user { display: none; }
}

/* ---------- Demo chooser (top of demo.html) ---------- */
.demo-chooser {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 22px;
}
.demo-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 22px 18px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  text-decoration: none;
  color: var(--fg, #e9e7e3);
  transition: transform .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease;
  position: relative;
  overflow: hidden;
}
.demo-card::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(circle at 100% 0%, rgba(124,156,255,0.10), transparent 60%);
  pointer-events: none;
  opacity: 0;
  transition: opacity .2s ease;
}
.demo-card:hover {
  transform: translateY(-3px);
  border-color: rgba(124,156,255,0.4);
  background: rgba(124,156,255,0.05);
  box-shadow: 0 20px 40px -20px rgba(124,156,255,0.35);
}
.demo-card:hover::before { opacity: 1; }

.demo-card.active {
  background: linear-gradient(135deg, rgba(94,234,212,0.08), rgba(124,156,255,0.08));
  border-color: rgba(94,234,212,0.45);
  box-shadow: 0 16px 36px -16px rgba(94,234,212,0.35);
}
.demo-card.active::after {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, #5eead4, #7c9cff);
}

.demo-card-eyebrow {
  font-family: var(--mono, 'JetBrains Mono', monospace);
  font-size: 10.5px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: #5eead4;
  margin-bottom: 2px;
}
.demo-card-title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--fg, #e9e7e3);
}
.demo-card-sub {
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--fg-soft, #b6b3ac);
  margin-bottom: 4px;
}
.demo-card-stack {
  font-family: var(--mono, 'JetBrains Mono', monospace);
  font-size: 11.5px;
  color: var(--fg-mute, #8b887f);
  letter-spacing: 0.3px;
  margin-top: auto;
  padding-top: 8px;
}
.demo-card-cta {
  align-self: flex-start;
  font-family: var(--mono, 'JetBrains Mono', monospace);
  font-size: 12px;
  font-weight: 600;
  color: #5eead4;
  letter-spacing: 0.4px;
  padding-top: 6px;
}
.demo-card:not(.active) .demo-card-eyebrow { color: #7c9cff; }
.demo-card:not(.active) .demo-card-cta { color: #7c9cff; }

@media (max-width: 880px) {
  .demo-chooser { grid-template-columns: 1fr; }
}