/* UI Kit shared styles — Linear/Intercom inspired */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; font-family: var(--font-sans); color: var(--fg); background: var(--bg); font-size: 13px; -webkit-font-smoothing: antialiased;}
button { font: inherit; color: inherit; cursor: pointer; }

.app {
  display: grid;
  grid-template-columns: 232px 340px 1fr 320px;
  grid-template-rows: 1fr;
  height: 100vh;
  overflow: hidden;
  background: var(--bg);
}
.app.narrow { grid-template-columns: 232px 340px 1fr; }
.app.full { grid-template-columns: 232px 1fr; }

/* ============ Sidebar ============ */
.sidebar {
  background: var(--bg-subtle);
  border-right: 1px solid var(--border-subtle);
  display: flex; flex-direction: column;
  padding: 10px 8px 10px;
  gap: 2px;
  overflow-y: auto;
}
.sidebar-top { display: flex; align-items: center; gap: 8px; padding: 6px 8px 12px; }
.ws {
  display: flex; align-items: center; gap: 8px; flex: 1;
  padding: 4px 8px 4px 4px;
  border-radius: 8px;
  cursor: pointer;
}
.ws:hover { background: var(--bg-muted); }
.ws .ws-mark { width: 26px; height: 26px; border-radius: 6px; background: linear-gradient(135deg, #22c55e, #10b981); display:flex; align-items:center; justify-content:center; color:white; font-weight:600; font-size: 12px;}
.ws .ws-name { font-weight: 600; font-size: 13px; letter-spacing: -0.01em; }
.ws .ws-sub  { font-size: 10px; color: var(--fg-subtle); font-family: var(--font-mono); }
.sidebar-search {
  display: flex; align-items: center; gap: 8px;
  margin: 4px 0 12px;
  padding: 6px 10px;
  border-radius: 8px;
  background: var(--bg-muted);
  font-size: 12px;
  color: var(--fg-subtle);
  border: 1px solid transparent;
}
.sidebar-search .kbd { margin-left: auto; font-family: var(--font-mono); font-size: 10px; color: var(--fg-faint); background: var(--bg); border: 1px solid var(--border-subtle); border-radius: 4px; padding: 1px 5px;}
.nav-section { font-size: 10px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--fg-faint); padding: 12px 10px 4px;}
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 6px 10px;
  border-radius: 6px;
  color: var(--fg-muted);
  font-size: 13px;
  position: relative;
  cursor: pointer;
}
.nav-item:hover { background: var(--bg-muted); color: var(--fg); }
.nav-item.active {
  background: var(--bg);
  color: var(--fg);
  font-weight: 500;
  box-shadow: var(--shadow-sm);
}
.nav-item.active::before {
  content:''; position: absolute; left: -9px; top: 7px; bottom: 7px;
  width: 2px; background: var(--accent); border-radius: 2px;
}
.nav-item svg { width: 15px; height: 15px; flex-shrink: 0; color: var(--fg-subtle); }
.nav-item.active svg { color: var(--accent); }
.nav-item .count { margin-left: auto; font-size: 11px; color: var(--fg-faint); font-family: var(--font-mono);}
.nav-item .dot { margin-left: auto; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.nav-item .ping { margin-left: auto; background: var(--accent); color: white; border-radius: 999px; font-size: 10px; font-weight: 600; padding: 1px 6px;}

.sidebar-footer { margin-top: auto; padding: 8px; border-top: 1px solid var(--border-subtle); display: flex; align-items: center; gap: 8px;}
.sidebar-footer .av { width: 26px; height: 26px; border-radius: 50%; background: var(--violet-500); color: white; display:flex; align-items:center; justify-content:center; font-size: 11px; font-weight: 600;}
.sidebar-footer .who { font-size: 12px; font-weight: 500;}
.sidebar-footer .role { font-size: 10px; color: var(--fg-subtle); font-family: var(--font-mono);}

/* ============ List column ============ */
.list {
  border-right: 1px solid var(--border-subtle);
  display: flex; flex-direction: column;
  overflow: hidden;
  background: var(--bg);
}
.list-header {
  padding: 10px 14px;
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg);
  min-height: 48px;
}
.list-title { font-size: 15px; font-weight: 600; letter-spacing: -0.01em; white-space: nowrap;}
.list-title .count { color: var(--fg-faint); font-weight: 400; margin-left: 6px; white-space: nowrap;}
.icon-btn {
  width: 28px; height: 28px; border-radius: 6px;
  background: transparent; border: none;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--fg-muted);
}
.icon-btn:hover { background: var(--bg-muted); color: var(--fg); }
.icon-btn svg { width: 15px; height: 15px; }
.tabs { display: flex; gap: 2px; padding: 4px 10px; border-bottom: 1px solid var(--border-subtle); overflow-x: auto;}
.tab { padding: 6px 8px; font-size: 12px; color: var(--fg-muted); border-radius: 6px; display:inline-flex; align-items:center; gap: 5px; cursor: pointer; white-space: nowrap; flex-shrink: 0;}
.tab:hover { background: var(--bg-muted); color: var(--fg);}
.tab.active { color: var(--fg); font-weight: 500; background: var(--bg-muted);}
.tab .c { font-size: 10px; color: var(--fg-faint); font-family: var(--font-mono);}
.tab.active .c { color: var(--fg-subtle); }
.list-body { flex: 1; overflow-y: auto; }
.conv-row {
  display: flex; gap: 10px; padding: 10px 14px;
  border-bottom: 1px solid var(--border-subtle);
  cursor: pointer;
  position: relative;
}
.conv-row:hover { background: var(--bg-subtle); }
.conv-row.active { background: var(--accent-subtle); }
.conv-row.active::before { content:''; position:absolute; left: 0; top:0; bottom:0; width: 2px; background: var(--accent);}
.conv-row.unread .name { font-weight: 600; }
.conv-row .av { width: 36px; height: 36px; border-radius: 50%; color: white; display:flex; align-items:center; justify-content:center; font-size: 12px; font-weight: 600; flex-shrink: 0; position: relative;}
.conv-row .av .pres { position: absolute; bottom: -1px; right: -1px; width: 10px; height: 10px; border-radius: 50%; border: 2px solid var(--bg); background: var(--accent); }
.conv-row .body { flex: 1; min-width: 0;}
.conv-row .top { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; flex-wrap: nowrap;}
.conv-row .name { font-size: 13px; color: var(--fg); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; flex: 1;}
.conv-row .time { font-size: 11px; color: var(--fg-faint); font-family: var(--font-mono); flex-shrink: 0;}
.conv-row .preview { font-size: 12px; color: var(--fg-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; margin-top: 2px;}
.conv-row .meta-row { display: flex; align-items: center; gap: 6px; margin-top: 4px;}
.conv-row .labels { display: flex; gap: 4px; flex-wrap: wrap;}
.conv-row .pill { background: var(--accent); color: white; font-size: 10px; font-weight: 600; min-width: 16px; text-align: center; padding: 1px 5px; border-radius: 999px; margin-left: auto;}

/* ============ Main ============ */
.main { display: flex; flex-direction: column; min-width: 0; background: var(--bg); overflow: hidden;}
.main-header {
  padding: 8px 16px;
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
  min-height: 48px;
}
.main-header .crumbs { display: flex; align-items: center; gap: 10px;}
.main-header .crumbs .av { width: 28px; height: 28px; border-radius: 50%; color:white; display:flex; align-items:center; justify-content: center; font-size: 11px; font-weight: 600;}
.main-header .h-name { font-size: 14px; font-weight: 600; letter-spacing: -0.01em;}
.main-header .h-sub  { font-size: 11px; color: var(--fg-subtle); font-family: var(--font-mono);}
.main-actions { display: flex; gap: 4px; align-items: center;}

.chat-body {
  flex: 1; overflow-y: auto;
  padding: 20px 24px;
  display: flex; flex-direction: column; gap: 8px;
  background: var(--bg-subtle);
}
.day-divider { display: flex; align-items: center; gap: 10px; margin: 14px 0 6px;}
.day-divider .line { flex: 1; height: 1px; background: var(--border-subtle);}
.day-divider .lbl { font-size: 10px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--fg-faint);}
.msg-row { display: flex; gap: 8px; }
.msg-row.out { justify-content: flex-end;}
.msg-row .av { width: 28px; height: 28px; border-radius: 50%; color: white; display:flex; align-items:center; justify-content:center; font-size: 10px; font-weight:600; flex-shrink: 0;}
.bubble {
  max-width: 560px;
  padding: 8px 12px;
  border-radius: 14px;
  font-size: 13px;
  line-height: 1.45;
  box-shadow: var(--shadow-xs);
}
.bubble.in { background: var(--bg); color: var(--fg); border-top-left-radius: 4px;}
.bubble.out { background: var(--accent); color: white; border-top-right-radius: 4px;}
.bubble .time { font-size: 10px; font-family: var(--font-mono); display: inline-flex; align-items: center; gap: 4px; float: right; margin-left: 10px; margin-top: 2px;}
.bubble.in .time { color: var(--fg-faint);}
.bubble.out .time { color: #dcfce7;}
.note-row { display: flex; justify-content: center; }
.note {
  max-width: 560px;
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-left: 2px solid var(--amber-500);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 12px;
  color: #78350f;
  display: flex; gap: 6px;
}
.note .who { font-size: 10px; font-weight: 600; color: var(--amber-600); letter-spacing: 0.02em; }

.composer {
  background: var(--bg);
  border-top: 1px solid var(--border-subtle);
  padding: 10px 16px 12px;
}
.composer-tabs { display: flex; gap: 2px; margin-bottom: 6px;}
.composer-tab { font-size: 11px; font-weight: 500; padding: 3px 8px; border-radius: 6px; color: var(--fg-muted); cursor: pointer;}
.composer-tab.active { background: var(--bg-muted); color: var(--fg);}
.composer-tab.note.active { background: #fef3c7; color: var(--amber-600);}
.composer-box {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
  padding: 10px 12px;
  display: flex; flex-direction: column; gap: 8px;
  box-shadow: var(--shadow-xs);
}
.composer-box:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-ring); }
.composer-input { min-height: 36px; font-size: 13px; color: var(--fg); outline: none;}
.composer-input:empty::before { content: attr(data-placeholder); color: var(--fg-faint); }
.composer-tools { display: flex; align-items: center; gap: 2px;}
.composer-tools .spacer { flex: 1;}

/* ============ Activity panel ============ */
.activity {
  border-left: 1px solid var(--border-subtle);
  background: var(--bg);
  overflow-y: auto;
  padding: 0;
}
.activity-header {
  padding: 14px 16px 10px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex; align-items: center; gap: 12px;
}
.activity-header .av { width: 40px; height: 40px; border-radius: 50%; color: white; display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 600; flex-shrink: 0;}
.activity-header .who { font-weight: 600; font-size: 14px; letter-spacing: -0.01em;}
.activity-header .phone { font-size: 11px; color: var(--fg-subtle); font-family: var(--font-mono);}
.section { padding: 12px 16px; border-bottom: 1px solid var(--border-subtle);}
.section-title { font-size: 10px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--fg-faint); margin-bottom: 8px; display: flex; justify-content: space-between; align-items: center;}
.section-title .edit { text-transform: none; letter-spacing: 0; font-weight: 500; color: var(--accent-hover); cursor: pointer;}
.field { display: flex; justify-content: space-between; gap: 10px; padding: 4px 0; font-size: 12px; flex-wrap: nowrap;}
.field .k { color: var(--fg-subtle); flex-shrink: 0; white-space: nowrap;}
.field .v { color: var(--fg); text-align: right; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0;}

/* Generic buttons */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 500;
  border-radius: 8px; padding: 6px 12px;
  border: 1px solid transparent;
  cursor: pointer; letter-spacing: -0.01em;
  transition: background 120ms, border-color 120ms;
  white-space: nowrap;
}
.btn svg { width: 14px; height: 14px; }
.btn-primary { background: var(--accent); color: white; box-shadow: var(--shadow-xs), inset 0 1px 0 rgba(255,255,255,0.14); }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { background: var(--bg); color: var(--fg); border-color: var(--border); box-shadow: var(--shadow-xs);}
.btn-secondary:hover { background: var(--bg-subtle); border-color: var(--border-strong);}
.btn-ghost { background: transparent; color: var(--fg-muted);}
.btn-ghost:hover { background: var(--bg-muted); color: var(--fg);}
.btn-sm { padding: 4px 8px; font-size: 12px; }

.badge { display:inline-flex; align-items:center; gap: 5px; font-size: 11px; font-weight: 500; padding: 2px 7px; border-radius: 999px;}
.badge .dot { width: 5px; height: 5px; border-radius: 50%;}
.badge-success { background: var(--success-bg); color: var(--success-fg); }
.badge-warning { background: var(--warning-bg); color: var(--warning-fg); }
.badge-danger  { background: var(--danger-bg); color: var(--danger-fg); }
.badge-info    { background: var(--info-bg); color: var(--info-fg); }
.badge-neutral { background: var(--bg-muted); color: var(--fg-muted); }

.pill { display:inline-block; padding: 1px 6px; font-size: 10px; font-family: var(--font-mono); border-radius: 4px; background: var(--bg-muted); color: var(--fg-muted);}

/* Command palette */
.cmdk-overlay {
  position: fixed; inset: 0; background: rgba(15,23,42,0.45);
  display: flex; align-items: flex-start; justify-content: center;
  padding-top: 15vh; z-index: 50;
  backdrop-filter: blur(6px);
}
.cmdk {
  width: 600px; max-width: 90vw;
  background: var(--bg); border-radius: 12px;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border);
  overflow: hidden;
}
.cmdk-input { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-bottom: 1px solid var(--border-subtle);}
.cmdk-input input { flex: 1; border: 0; outline: 0; background: transparent; font: inherit; font-size: 15px; color: var(--fg);}
.cmdk-input input::placeholder { color: var(--fg-faint);}
.cmdk-group { padding: 6px;}
.cmdk-group-label { font-size: 10px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--fg-faint); padding: 6px 10px 4px;}
.cmdk-item { display: flex; align-items: center; gap: 10px; padding: 7px 10px; border-radius: 6px; font-size: 13px; cursor: pointer;}
.cmdk-item svg { width: 15px; height: 15px; color: var(--fg-muted);}
.cmdk-item:hover, .cmdk-item.active { background: var(--bg-muted);}
.cmdk-item .kbd { margin-left: auto; font-family: var(--font-mono); font-size: 10px; color: var(--fg-faint);}

/* Analytics cards */
.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; padding: 16px; }
.kpi-card { background: var(--bg); border: 1px solid var(--border-subtle); border-radius: 12px; padding: 14px 16px; box-shadow: var(--shadow-xs);}
.kpi-card .k-lbl { font-size: 11px; color: var(--fg-muted); font-weight: 500;}
.kpi-card .k-val { font-size: 24px; font-weight: 600; letter-spacing: -0.02em; margin-top: 6px;}
.kpi-card .k-delta { font-size: 11px; font-weight: 500; margin-top: 2px;}
.k-delta.up { color: var(--success-fg);}
.k-delta.down { color: var(--danger-fg);}
.kpi-card .spark { margin-top: 8px; }

.page-header { padding: 20px 24px 4px; }
.page-title { font-size: 22px; font-weight: 600; letter-spacing: -0.01em;}
.page-sub { font-size: 13px; color: var(--fg-muted); margin-top: 4px;}
.page-toolbar {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-bottom: 1px solid var(--border-subtle);
}
.page-toolbar .spacer { flex: 1; }

/* Data table */
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table th { text-align: left; font-size: 10px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--fg-subtle); padding: 10px 16px; border-bottom: 1px solid var(--border-subtle); background: var(--bg); position: sticky; top: 0; z-index: 1;}
.data-table td { padding: 10px 16px; border-bottom: 1px solid var(--border-subtle);}
.data-table tr:hover td { background: var(--bg-subtle);}
.data-table tr.selected td { background: var(--accent-subtle);}
.data-table .ck { width: 14px; height: 14px; border: 1.5px solid var(--border-strong); border-radius: 4px; display: inline-block; vertical-align: middle; cursor: pointer;}
.data-table .ck.on { background: var(--accent); border-color: var(--accent); position: relative;}
.data-table .ck.on::after { content:''; position: absolute; left: 3px; top: 1px; width: 4px; height: 7px; border-right: 2px solid white; border-bottom: 2px solid white; transform: rotate(45deg);}

.scroll { overflow-y: auto; height: 100%; }

/* Empty + login */
.login {
  min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; background: var(--bg);
}
.login-side { display: flex; flex-direction: column; padding: 48px; justify-content: space-between;}
.login-box { max-width: 360px; width: 100%; margin: auto;}
.login-brand-side {
  background: linear-gradient(135deg, #0f172a 0%, #15803d 100%);
  color: white;
  display: flex; flex-direction: column; justify-content: space-between;
  padding: 48px;
  position: relative;
  overflow: hidden;
}
.login-brand-side::before {
  content:''; position: absolute; inset: 0;
  background: radial-gradient(circle at 20% 30%, rgba(34,197,94,0.3), transparent 50%),
              radial-gradient(circle at 80% 80%, rgba(16,185,129,0.25), transparent 50%);
}
.login-brand-side > * { position: relative;}