:root {
  color-scheme: light;
  --bg: #f5f7f6;
  --surface: #ffffff;
  --surface-2: #eef4f2;
  --surface-3: #f9fbfa;
  --ink: #17201d;
  --muted: #63706b;
  --line: #dce4e1;
  --brand: #116a61;
  --brand-2: #2f8d7f;
  --accent: #9a4c1d;
  --warn: #b7791f;
  --danger: #b42318;
  --ok: #157347;
  --shadow: 0 18px 45px rgba(25, 42, 36, 0.08);
  --shadow-strong: 0 28px 80px rgba(25, 42, 36, 0.13);
  --radius: 8px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body.dark {
  color-scheme: dark;
  --bg: #111614;
  --surface: #18211e;
  --surface-2: #202d29;
  --surface-3: #141c19;
  --ink: #edf4f1;
  --muted: #a9b9b3;
  --line: #2f403b;
  --brand: #59c7b5;
  --brand-2: #75d4c9;
  --accent: #f0a35f;
  --warn: #f6c86b;
  --danger: #ff8a80;
  --ok: #7bd88f;
  --shadow: 0 18px 45px rgba(0, 0, 0, 0.24);
  --shadow-strong: 0 28px 80px rgba(0, 0, 0, 0.38);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 8% 0%, rgba(17, 106, 97, 0.12), transparent 26rem),
    radial-gradient(circle at 94% 10%, rgba(154, 76, 29, 0.08), transparent 26rem),
    linear-gradient(135deg, rgba(47, 141, 127, 0.06), transparent 32rem),
    var(--bg);
  color: var(--ink);
}

button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
svg { width: 18px; height: 18px; stroke-width: 2; }

.app-shell { display: grid; grid-template-columns: 292px minmax(0, 1fr); min-height: 100vh; }
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 20px;
  border-right: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 90%, transparent);
  backdrop-filter: blur(12px);
}
.brand { display: flex; align-items: center; gap: 12px; margin-bottom: 26px; }
.brand-mark {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--brand) 92%, #fff), var(--accent));
  color: #fff;
  font-weight: 800;
  box-shadow: 0 14px 35px color-mix(in srgb, var(--brand) 28%, transparent);
}
.brand strong { display: block; font-size: 17px; }
.brand span, .muted { color: var(--muted); }
.brand span { font-size: 13px; }

.nav-list { display: grid; gap: 6px; }
.nav-item, .icon-btn, .primary-btn, .secondary-btn, .ghost-btn, .danger-btn, .chip-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  min-height: 40px;
  white-space: nowrap;
}
.nav-item {
  justify-content: flex-start;
  padding: 11px 12px;
  width: 100%;
  color: var(--muted);
  background: transparent;
  transition: background .16s ease, color .16s ease, transform .16s ease;
}
.nav-item.active, .nav-item:hover { color: var(--ink); background: var(--surface-2); }
.nav-item.active { box-shadow: inset 3px 0 0 var(--brand); }
.privacy-card {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 20px;
  display: grid;
  gap: 8px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-2);
  color: var(--muted);
  font-size: 13px;
}
.privacy-card p { margin: 0; line-height: 1.35; }

.main { min-width: 0; padding: 26px; }
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  position: sticky;
  top: 0;
  z-index: 8;
  margin: -10px -10px 18px;
  padding: 10px;
  border-radius: 14px;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px);
}
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 4px; font-size: 28px; letter-spacing: 0; }
h2 { margin-bottom: 0; font-size: 17px; }
h3 { margin-bottom: 8px; font-size: 15px; }
.topbar p { margin-bottom: 0; color: var(--muted); }
.top-actions { display: flex; align-items: center; gap: 10px; min-width: 0; }

.search-box, .filters input, .filters select, .form-field input, .form-field select, .form-field textarea, .chat-form textarea {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
}
.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  width: min(360px, 36vw);
  padding: 0 12px;
  min-height: 42px;
}
.search-box input {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: inherit;
}

.primary-btn { background: linear-gradient(135deg, var(--brand), color-mix(in srgb, var(--brand-2) 72%, var(--brand))); color: #fff; padding: 0 14px; border-color: transparent; box-shadow: 0 12px 30px color-mix(in srgb, var(--brand) 24%, transparent); }
.secondary-btn { background: var(--surface); color: var(--ink); border-color: var(--line); padding: 0 12px; }
.ghost-btn { background: transparent; color: var(--brand); padding: 0 8px; }
.icon-btn { width: 42px; background: var(--surface); color: var(--ink); border-color: var(--line); }
.danger-btn { background: var(--danger); color: #fff; border-color: var(--danger); padding: 0 14px; }
.chip-btn { min-height: 32px; padding: 0 10px; background: var(--surface-2); color: var(--ink); border-color: var(--line); }
.connection-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
}
.connection-pill.online { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 40%, var(--line)); }
.connection-pill.offline { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 42%, var(--line)); }

.ops-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  margin-bottom: 14px;
  padding: 18px;
  border: 1px solid color-mix(in srgb, var(--brand) 18%, var(--line));
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--surface) 95%, var(--brand)), var(--surface-3));
  box-shadow: var(--shadow-strong);
}
.ops-copy { display: grid; gap: 4px; }
.eyebrow {
  color: var(--brand);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-weight: 750;
}
.ops-copy strong { font-size: 22px; letter-spacing: 0; }
.ops-cells { display: grid; grid-template-columns: repeat(3, minmax(96px, 1fr)); gap: 10px; }
.ops-cells div {
  min-height: 76px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.ops-cells span { display: block; color: var(--brand); font-size: 22px; font-weight: 800; }
.ops-cells small { color: var(--muted); }

.view { display: none; }
.view.active { display: block; }
.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 14px; }
.metric, .panel, .side-panel, .chat-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}
.metric { padding: 17px; min-height: 128px; background: linear-gradient(180deg, var(--surface), var(--surface-3)); }
.metric span, .metric small { display: block; color: var(--muted); }
.metric strong { display: block; margin: 8px 0 6px; font-size: 32px; letter-spacing: 0; }
.metric.urgent strong { color: var(--danger); }
.metric.stock strong { color: var(--warn); }
.metric.pay strong { color: var(--brand); }

.dash-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.panel { padding: 16px; min-width: 0; background: linear-gradient(180deg, var(--surface), color-mix(in srgb, var(--surface) 85%, var(--surface-2))); }
.panel.wide { grid-column: 1 / -1; }
.wide-panel { grid-column: 1 / -1; }
.panel-head, .toolbar, .button-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.toolbar { margin-bottom: 14px; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; min-width: 0; }
.filters input, .filters select { min-height: 40px; padding: 0 11px; }

.content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 14px; align-items: start; }
.orders-layout { grid-template-columns: minmax(0, 1fr) 390px; }
.side-panel { padding: 16px; min-height: 220px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 720px; }
th, td { padding: 12px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
th { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
td { font-size: 14px; }

.stack-list, .timeline, .ai-actions { display: grid; gap: 10px; }
.list-card, .timeline-item, .suggestion-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
  background: var(--surface-2);
}
.list-card strong, .timeline-item strong { display: block; margin-bottom: 3px; }
.meta { color: var(--muted); font-size: 13px; line-height: 1.4; }
.tag-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.tag { display: inline-flex; align-items: center; min-height: 26px; padding: 0 8px; border-radius: 999px; background: color-mix(in srgb, var(--brand) 12%, var(--surface)); color: var(--brand); font-size: 12px; }
.tag.warn { background: color-mix(in srgb, var(--warn) 18%, var(--surface)); color: var(--warn); }
.tag.danger { background: color-mix(in srgb, var(--danger) 14%, var(--surface)); color: var(--danger); }
.tag.ok { background: color-mix(in srgb, var(--ok) 14%, var(--surface)); color: var(--ok); }

.kanban { display: grid; grid-template-columns: repeat(4, minmax(230px, 1fr)); gap: 12px; overflow-x: auto; padding-bottom: 4px; }
.kanban-column { display: grid; align-content: start; gap: 10px; min-height: 300px; padding: 10px; border-radius: var(--radius); background: var(--surface-2); }
.kanban-column h3 { display: flex; justify-content: space-between; align-items: center; margin: 0; color: var(--muted); }
.order-card { padding: 12px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.order-card:hover, .list-card:hover { border-color: color-mix(in srgb, var(--brand) 34%, var(--line)); }
.order-card button { width: 100%; justify-content: flex-start; text-align: left; background: transparent; border: 0; padding: 0; color: inherit; }
.price-line { display: flex; justify-content: space-between; gap: 10px; margin-top: 8px; font-size: 13px; color: var(--muted); }

.assistant-layout { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 14px; }
.chat-panel { min-height: calc(100vh - 170px); display: grid; grid-template-rows: 1fr auto; padding: 16px; }
.chat-log { display: grid; align-content: start; gap: 10px; overflow-y: auto; padding-right: 6px; }
.message { max-width: 78%; padding: 12px; border-radius: var(--radius); background: var(--surface-2); line-height: 1.45; }
.message.user { justify-self: end; background: color-mix(in srgb, var(--brand) 18%, var(--surface)); }
.chat-form { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; padding-top: 12px; }
.chat-form textarea { resize: vertical; min-height: 70px; padding: 10px; }

.settings-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.compact-form { margin-top: 14px; }
.danger-panel { border-color: color-mix(in srgb, var(--danger) 35%, var(--line)); }
.file-btn input { display: none; }

.modal-backdrop {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(0, 0, 0, 0.42);
  z-index: 20;
}
.modal {
  width: min(860px, 100%);
  max-height: min(88vh, 920px);
  overflow: hidden;
  display: grid;
  grid-template-rows: auto 1fr;
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
}
.modal-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.modal-head h2 { margin: 0; }
.modal-body { overflow: auto; padding: 16px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.form-field { display: grid; gap: 6px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { color: var(--muted); font-size: 13px; }
.form-field input, .form-field select, .form-field textarea { min-height: 40px; padding: 9px 10px; }
.form-field textarea { resize: vertical; }
.form-actions { grid-column: 1 / -1; display: flex; justify-content: flex-end; gap: 8px; padding-top: 8px; }

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  max-width: min(420px, calc(100vw - 36px));
  padding: 12px 14px;
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--surface);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .2s ease, transform .2s ease;
  z-index: 30;
}
.toast.show { opacity: 1; transform: translateY(0); }

@media (max-width: 1100px) {
  .app-shell { grid-template-columns: 88px minmax(0, 1fr); }
  .brand div:not(.brand-mark), .nav-item span, .privacy-card { display: none; }
  .sidebar { padding: 14px; }
  .brand { justify-content: center; }
  .nav-item { justify-content: center; }
  .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .content-grid, .assistant-layout, .settings-grid { grid-template-columns: 1fr; }
  .side-panel { order: -1; }
}

@media (max-width: 760px) {
  .app-shell { display: block; }
  .sidebar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    top: auto;
    height: auto;
    z-index: 10;
    border-right: 0;
    border-top: 1px solid var(--line);
    padding: 8px;
  }
  .brand { display: none; }
  .nav-list { grid-template-columns: repeat(6, 1fr); gap: 4px; }
  .nav-item { min-height: 48px; padding: 6px; }
  .main { padding: 16px 12px 78px; }
  .topbar { display: grid; }
  .top-actions { width: 100%; }
  .search-box { width: 100%; }
  .connection-pill { min-width: 42px; width: 42px; padding: 0; }
  .connection-pill span { display: none; }
  .ops-strip { grid-template-columns: 1fr; }
  .ops-cells { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .ops-cells div { min-height: 70px; padding: 10px; }
  .ops-cells span { font-size: 18px; }
  .metric-grid, .dash-grid { grid-template-columns: 1fr; }
  .panel.wide { grid-column: auto; }
  .toolbar { align-items: stretch; flex-direction: column; }
  .filters input, .filters select, .primary-btn { width: 100%; }
  .kanban { grid-template-columns: 1fr; overflow: visible; }
  .chat-form { grid-template-columns: 1fr; }
  .message { max-width: 100%; }
  .form-grid { grid-template-columns: 1fr; }
}