:root {
  --ink: #14221f;
  --muted: #5c6b66;
  --line: #ddd6cc;
  --paper: #f6f1ea;
  --panel: #fffcf8;
  --side: #10221f;
  --side-2: #18302b;
  --accent: #1f6f63;
  --accent-2: #c4a36a;
  --danger: #9b3b32;
  --ok: #2f6b4f;
  --warn: #9a6b1f;
  --shadow: 0 18px 50px rgba(20, 34, 31, 0.08);
  --radius: 18px;
  --sans: "IBM Plex Sans", "Segoe UI", sans-serif;
  --serif: "Fraunces", Georgia, serif;
  --side-w: 268px;
  --pad: clamp(16px, 3vw, 32px);
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
[x-cloak] { display: none !important; }
body.app-body {
  font-family: var(--sans);
  color: var(--ink);
  background:
    radial-gradient(1200px 400px at 80% -10%, rgba(196, 163, 106, 0.16), transparent 50%),
    var(--paper);
}

a { color: inherit; }
button, input, select, textarea { font-family: inherit; }
img, svg, video { max-width: 100%; }

.shell { display: grid; grid-template-columns: var(--side-w) minmax(0, 1fr); min-height: 100vh; }
.side {
  background: linear-gradient(180deg, var(--side) 0%, var(--side-2) 100%);
  color: #efe7db;
  padding: 28px 18px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.brand { display: flex; gap: 12px; align-items: center; padding: 0 8px; }
.mark {
  width: 38px; height: 38px; border-radius: 12px; flex-shrink: 0;
  background: linear-gradient(145deg, #d7b47a, #8d6b32);
  color: #1a1208; display: grid; place-items: center;
  font-family: var(--serif); font-weight: 600; font-size: 18px;
}
.brand strong { display: block; font-family: var(--serif); font-size: 18px; font-weight: 500; }
.brand span { display: block; font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: #b7c4bf; }
.nav-group { display: grid; gap: 4px; }
.nav-label {
  font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase;
  color: #8ea09a; padding: 8px 12px 6px;
}
.nav a {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; color: #d9e3df;
  padding: 10px 12px; border-radius: 12px; font-size: 14px;
}
.nav a:hover { background: rgba(255,255,255,0.06); }
.nav a.is-on { background: rgba(196, 163, 106, 0.16); color: #fff; }
.side-foot {
  margin-top: auto; padding: 14px 12px; border-radius: 14px;
  background: rgba(255,255,255,0.05); font-size: 13px;
}
.side-foot b { display: block; font-weight: 600; }
.side-foot small { color: #9eb0aa; }

.main { min-width: 0; display: flex; flex-direction: column; }
.top {
  display: flex; justify-content: space-between; align-items: center;
  gap: 12px; flex-wrap: wrap;
  padding: 18px var(--pad) 8px;
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
}
.menu-btn {
  display: none; appearance: none; border: 1px solid var(--line);
  background: var(--panel); border-radius: 10px; padding: 8px 12px;
  font-size: 13px; font-weight: 600; cursor: pointer;
}
.crumb { font-size: 12px; color: var(--muted); letter-spacing: 0.04em; flex: 1; min-width: 0; }
.top-actions { display: flex; align-items: center; gap: 10px; }
.top-meta { font-size: 13px; color: var(--muted); }
.content { padding: 8px var(--pad) 48px; }
.content.flash { padding-bottom: 0; }

.page-head {
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: 16px; flex-wrap: wrap; margin: 8px 0 22px;
}
.page-head h1 { margin: 0; font-family: var(--serif); font-weight: 500; font-size: clamp(26px, 4vw, 34px); letter-spacing: -0.03em; }
.page-head p { margin: 6px 0 0; color: var(--muted); max-width: 640px; line-height: 1.5; }

.kpis {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px; margin-bottom: 18px;
}
.kpi {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 18px 16px; box-shadow: var(--shadow);
}
.kpi .label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.12em; color: var(--muted); }
.kpi .value { font-family: var(--serif); font-size: clamp(22px, 4vw, 34px); margin-top: 8px; word-break: break-word; }
.kpi .hint { font-size: 12px; color: var(--muted); margin-top: 4px; }
.kpi.warn .value { color: var(--warn); }
.kpi.danger .value { color: var(--danger); }

.grid-2 { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 16px; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden; min-width: 0;
}
.card-h { padding: 16px 18px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.card-h h2 { margin: 0; font-size: 15px; font-weight: 600; }
.card-h span { font-size: 12px; color: var(--muted); }
.card-b { padding: 16px 18px; }

.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table { width: 100%; border-collapse: collapse; min-width: 520px; }
.table.compact { min-width: 0; }
.table th {
  text-align: left; font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted); font-weight: 600; padding: 10px 18px; border-bottom: 1px solid var(--line);
}
.table td { padding: 13px 18px; border-bottom: 1px solid #eee7dc; font-size: 14px; vertical-align: middle; }
.table tr:last-child td { border-bottom: 0; }

.badge {
  display: inline-flex; align-items: center; border-radius: 999px;
  padding: 3px 10px; font-size: 11px; font-weight: 600; letter-spacing: 0.04em;
  background: #ece4d6; color: #4c4336; white-space: nowrap;
}
.badge.ok { background: #deefe4; color: var(--ok); }
.badge.warn { background: #f4e6c8; color: var(--warn); }
.badge.danger { background: #f3d9d5; color: var(--danger); }

.btn {
  appearance: none; border: 0; cursor: pointer; text-decoration: none;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 12px; padding: 10px 16px; font-size: 13px; font-weight: 600;
  background: var(--accent); color: #fff; min-height: 40px;
}
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn.gold { background: #b0893e; }
.btn.compact { min-height: 36px; padding: 6px 12px; font-size: 12px; }

.field { display: grid; gap: 6px; font-size: 13px; color: var(--muted); }
.field input, .field select, .field textarea {
  border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px;
  background: #fff; color: var(--ink); font-size: 16px; width: 100%;
}
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.form-grid .full, .form-grid .actions { grid-column: 1 / -1; }
.actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 8px; flex-wrap: wrap; }
.search-bar { display: flex; gap: 10px; flex-wrap: wrap; }
.search-bar input { flex: 1; min-width: 160px; border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; font-size: 16px; }

.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px; }
.tab {
  border: 1px solid var(--line); background: transparent; border-radius: 999px;
  padding: 8px 14px; cursor: pointer; font-size: 13px; color: var(--muted);
  text-decoration: none; display: inline-flex; align-items: center;
}
.tab.is-on { background: var(--ink); color: #fff; border-color: var(--ink); }

.workspace { display: grid; grid-template-columns: minmax(0, 360px) minmax(0, 1fr); gap: 16px; align-items: start; }
.workspace .card { overflow-x: auto; }
.empty { padding: 36px 18px; text-align: center; color: var(--muted); }
.empty b { display: block; color: var(--ink); margin-bottom: 6px; font-size: 16px; }

.chart { display: grid; gap: 18px; }
.arch { display: grid; grid-template-columns: repeat(8, minmax(0, 1fr)); gap: 8px; }
.tooth {
  aspect-ratio: 1; border-radius: 14px; border: 1px solid var(--line);
  background: #fff; cursor: pointer; font-size: 12px; font-weight: 600; color: var(--ink);
}
.tooth:hover, .tooth.is-on { background: #1f6f63; color: #fff; border-color: #1f6f63; }
.arch-label { font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }

.split { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); min-height: 100vh; }
.hero {
  background:
    linear-gradient(165deg, rgba(16,34,31,0.35), rgba(16,34,31,0.72)),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cpath fill='none' stroke='%23c4a36a' stroke-opacity='.25' d='M80 12c22 18 36 40 36 68s-14 50-36 68c-22-18-36-40-36-68s14-50 36-68z'/%3E%3C/svg%3E"),
    #10221f;
  color: #f4ece0; padding: clamp(28px, 6vw, 56px);
  display: flex; flex-direction: column; justify-content: space-between;
}
.hero h1 { font-family: var(--serif); font-weight: 500; font-size: clamp(32px, 5vw, 48px); line-height: 1.05; margin: 12px 0 16px; }
.hero p { max-width: 420px; line-height: 1.6; color: #d5ccc0; }
.auth { display: grid; place-items: center; padding: clamp(20px, 4vw, 32px); background: var(--paper); }
.auth-card { width: min(420px, 100%); background: var(--panel); border: 1px solid var(--line); border-radius: 24px; padding: 28px; box-shadow: var(--shadow); }
.auth-card h2 { font-family: var(--serif); font-weight: 500; margin: 0 0 6px; }
.auth-card .sub { color: var(--muted); font-size: 13px; margin-bottom: 22px; }
.stack { display: grid; gap: 12px; }
.auth-card button { width: 100%; margin-top: 8px; }

.alert { border: 1px solid #e3c2bc; background: #f8ece9; color: var(--danger); border-radius: 12px; padding: 10px 12px; font-size: 13px; }

.log { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.log li { font-size: 13px; color: var(--muted); border-bottom: 1px solid #eee7dc; padding-bottom: 10px; }
.log b { color: var(--ink); }

.agent-desk { display: grid; grid-template-columns: minmax(0, 280px) minmax(0, 1fr); gap: 16px; min-height: 62vh; }
.persona-list { display: grid; gap: 8px; }
.persona {
  display: block; text-decoration: none; padding: 14px; border-radius: 16px;
  border: 1px solid var(--line); background: var(--panel);
}
.persona.is-on { border-color: var(--ink); box-shadow: var(--shadow); }
.persona b { display: block; font-family: var(--serif); font-size: 18px; font-weight: 500; }
.persona small { color: var(--muted); }
.chat { display: flex; flex-direction: column; min-height: min(62vh, 720px); }
.chat-log { flex: 1; padding: 18px; display: grid; gap: 14px; max-height: 52vh; overflow: auto; }
.bubble { max-width: min(86%, 560px); padding: 12px 14px; border-radius: 16px; white-space: pre-wrap; line-height: 1.5; font-size: 14px; }
.bubble.user { margin-left: auto; background: var(--ink); color: #f4ece0; }
.bubble.assistant { background: #efe8dc; }
.acts { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.acts a { font-size: 12px; padding: 6px 10px; border-radius: 999px; border: 1px solid var(--line); text-decoration: none; background: #fff; }
.composer { display: flex; gap: 8px; padding: 14px; border-top: 1px solid var(--line); flex-wrap: wrap; }
.composer input { flex: 1; min-width: 160px; border: 1px solid var(--line); border-radius: 12px; padding: 12px; font-size: 16px; }
.scrim { display: none; }

@media (max-width: 1100px) {
  .workspace { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
}

@media (max-width: 980px) {
  .shell { grid-template-columns: 1fr; }
  .side {
    position: fixed; inset: 0 auto 0 0; width: min(86vw, 300px); z-index: 40;
    transform: translateX(-105%); transition: transform 0.2s ease;
  }
  .side.is-open { transform: translateX(0); }
  .scrim {
    display: block; position: fixed; inset: 0; background: rgba(16, 34, 31, 0.45); z-index: 30;
  }
  .menu-btn { display: inline-flex; }
  .top-meta { display: none; }
  .form-grid { grid-template-columns: 1fr; }
  .agent-desk { grid-template-columns: 1fr; }
  .persona-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .split { grid-template-columns: 1fr; min-height: auto; }
  .hero { min-height: 280px; }
  .arch { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .kpis { grid-template-columns: 1fr 1fr; }
  .persona-list { grid-template-columns: 1fr; }
  .page-head .btn { width: 100%; }
  .actions { justify-content: stretch; }
  .actions .btn { flex: 1; }
  .table { min-width: 460px; }
}

@media (max-width: 420px) {
  .kpis { grid-template-columns: 1fr; }
}