:root {
  --bg: #0f172a;
  --panel: #1e293b;
  --panel-2: #172036;
  --border: #334155;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --danger: #f87171;
  --warn: #fbbf24;
  --ok: #4ade80;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.view[hidden] { display: none; }

.login-card {
  max-width: 360px;
  margin: 10vh auto;
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.login-card label { display: flex; flex-direction: column; gap: 4px; font-size: 14px; }
.login-card input { padding: 8px; border-radius: 6px; border: 1px solid var(--border); background: #0b1222; color: var(--text); }
.login-card button { padding: 10px; border-radius: 6px; border: none; background: var(--accent); color: #06121f; font-weight: 600; cursor: pointer; }

/* --- App shell: sidebar + main --- */
.shell { display: flex; height: 100vh; overflow: hidden; }

.sidebar {
  width: 220px;
  min-width: 220px;
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 14px 10px;
}
.brand { display: flex; align-items: center; gap: 8px; padding: 6px 8px 16px; }
.brand-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 8px var(--accent); }
.brand-name { font-weight: 700; font-size: 14px; }
.brand-sub { font-size: 11px; color: var(--muted); }

.nav { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 2px; }
.nav-section { font-size: 11px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); margin: 12px 8px 4px; }
.nav-section:first-child { margin-top: 0; }
.nav-btn {
  text-align: left; background: transparent; color: var(--muted); border: none;
  padding: 8px 10px; border-radius: 6px; cursor: pointer; font-size: 13.5px;
}
.nav-btn:hover { background: #253249; color: var(--text); }
.nav-btn.active { background: #0b1222; color: var(--text); font-weight: 600; }
.nav-btn.stub { opacity: 0.55; }
.nav-btn[hidden] { display: none; }

.user-box { display: flex; flex-direction: column; gap: 4px; padding: 10px 8px 2px; border-top: 1px solid var(--border); font-size: 13px; color: var(--muted); }
.link-btn { background: none; border: none; color: var(--accent); cursor: pointer; padding: 0; font-size: 12px; }

#content { flex: 1; overflow-y: auto; padding: 20px 24px; }
.view-panel[hidden] { display: none; }
.view-header { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.view-header h1 { font-size: 20px; margin: 0; }

.stub-view { display: flex; align-items: center; justify-content: center; height: 70vh; }
.stub-card { text-align: center; color: var(--muted); }
.stub-card h2 { color: var(--text); margin-bottom: 6px; }

.filters { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; align-items: center; }
.filters select, .filters button, .inline-form input, .inline-form select, .inline-form button {
  padding: 8px; border-radius: 6px; border: 1px solid var(--border); background: #0b1222; color: var(--text);
}
.filters button, .inline-form button { background: var(--accent); color: #06121f; border: none; cursor: pointer; font-weight: 600; }

.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 8px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
tbody tr:hover { background: #111c33; }

.badge { padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 600; white-space: nowrap; }
.badge-AWAITING_REPLY { background: #1e3a5f; color: #7dd3fc; }
.badge-SLA_BREACHED { background: #3f1d1d; color: var(--danger); }
.badge-REPLY_CONFIRMED { background: #163a24; color: var(--ok); }
.badge-REPLY_UNKNOWN { background: #3f2f14; color: var(--warn); }
.badge-RESOLVED { background: #1f2937; color: var(--muted); }

.pager { display: flex; gap: 10px; align-items: center; margin-top: 10px; }
.muted { color: var(--muted); font-size: 13px; }
.error { color: var(--danger); font-size: 13px; }
.live-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--muted); display: inline-block; }
.live-dot.on { background: var(--ok); box-shadow: 0 0 6px var(--ok); }

.inline-form { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 20px; }
h2 { font-size: 16px; margin-top: 24px; }

/* --- Inbox: 3-pane layout --- */
.inbox-panel { height: calc(100vh - 40px); display: flex; flex-direction: column; }
.inbox-grid { flex: 1; display: grid; grid-template-columns: 240px 1fr 260px; gap: 0; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; min-height: 0; }

.inbox-left { background: var(--panel-2); border-right: 1px solid var(--border); display: flex; flex-direction: column; overflow-y: auto; }
.queue-list { padding: 10px; border-bottom: 1px solid var(--border); }
.queue-group-label { font-size: 11px; text-transform: uppercase; color: var(--muted); margin: 10px 4px 4px; }
.queue-group-label:first-child { margin-top: 0; }
.queue-btn { display: block; width: 100%; text-align: left; background: transparent; color: var(--muted); border: none; padding: 6px 8px; border-radius: 6px; cursor: pointer; font-size: 13px; }
.queue-btn:hover { background: #22304a; color: var(--text); }
.queue-btn.active { background: #0b1222; color: var(--accent); font-weight: 600; }
.tag-btn { margin-top: 2px; }

.conversation-list { flex: 1; overflow-y: auto; }
.conversation-empty { padding: 20px; color: var(--muted); font-size: 13px; text-align: center; }
.conversation-row { display: block; width: 100%; text-align: left; background: transparent; border: none; border-bottom: 1px solid var(--border); padding: 10px 12px; cursor: pointer; color: var(--text); }
.conversation-row:hover { background: #1c2a44; }
.conversation-row.active { background: #0b1222; border-left: 3px solid var(--accent); }
.conversation-row-top { display: flex; align-items: center; gap: 6px; justify-content: space-between; }
.conversation-row-name { font-weight: 600; font-size: 13.5px; }
.conversation-row-sub { font-size: 12px; color: var(--muted); margin-top: 3px; }
.vip-star { color: var(--warn); }

.inbox-center { display: flex; flex-direction: column; min-width: 0; }
.chat-empty { flex: 1; display: flex; align-items: center; justify-content: center; color: var(--muted); }
.chat-thread-wrap { flex: 1; display: flex; flex-direction: column; min-height: 0; }
.chat-header { padding: 12px 16px; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 10px; }
.chat-header-name { font-weight: 600; }
.chat-thread { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 10px; }

.ai-summary-card { margin: 10px 14px 0; padding: 10px 12px; border: 1px dashed var(--border); border-radius: 8px; background: #16203a; }
.ai-summary-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 4px; }
.ai-summary-title { font-size: 11px; text-transform: uppercase; color: var(--accent); font-weight: 700; letter-spacing: 0.04em; }
.ai-summary-body { font-size: 12.5px; line-height: 1.5; }
.ai-summary-chips { display: flex; gap: 6px; margin-top: 6px; flex-wrap: wrap; }
.ai-summary-chip { background: #0b1222; border: 1px solid var(--border); padding: 2px 8px; border-radius: 999px; font-size: 11px; color: var(--muted); }

.chat-bubble { max-width: 70%; padding: 8px 12px; border-radius: 10px; font-size: 13.5px; }
.chat-bubble.in { align-self: flex-start; background: #1e293b; }
.chat-bubble.out { align-self: flex-end; background: #0e4a6b; }
.chat-bubble.note { align-self: center; background: #3f2f14; color: var(--warn); max-width: 85%; }
.chat-bubble-meta { font-size: 10.5px; color: var(--muted); margin-bottom: 3px; }
.chat-bubble-text { white-space: pre-wrap; word-break: break-word; }

.composer { border-top: 1px solid var(--border); padding: 10px 14px; display: flex; flex-direction: column; gap: 8px; }
.composer-tabs { display: flex; gap: 6px; align-items: center; }
#composer-canned-select { margin-left: auto; font-size: 12px; padding: 4px 6px; border-radius: 6px; border: 1px solid var(--border); background: #0b1222; color: var(--text); }
.composer-tab { background: transparent; border: 1px solid var(--border); color: var(--muted); padding: 4px 10px; border-radius: 999px; font-size: 12px; cursor: pointer; }
.composer-tab.active { background: #0b1222; color: var(--accent); border-color: var(--accent); }
.composer-warning { font-size: 12px; color: var(--warn); background: #3f2f14; padding: 6px 10px; border-radius: 6px; }
.composer-template-fields { display: flex; gap: 8px; }
.composer-template-fields input { flex: 1; padding: 6px; border-radius: 6px; border: 1px solid var(--border); background: #0b1222; color: var(--text); }
#composer-text { width: 100%; resize: vertical; padding: 8px; border-radius: 6px; border: 1px solid var(--border); background: #0b1222; color: var(--text); font-family: inherit; }
.composer-actions { display: flex; justify-content: space-between; align-items: center; }
.composer-actions button { background: var(--accent); color: #06121f; border: none; padding: 8px 16px; border-radius: 6px; font-weight: 600; cursor: pointer; }

.inbox-right { background: var(--panel-2); border-left: 1px solid var(--border); padding: 14px; overflow-y: auto; }
.contact-card { text-align: center; padding-bottom: 14px; border-bottom: 1px solid var(--border); margin-bottom: 14px; }
.contact-avatar { width: 48px; height: 48px; border-radius: 50%; background: #0e4a6b; color: var(--text); display: flex; align-items: center; justify-content: center; font-weight: 700; margin: 0 auto 8px; }
.contact-name { font-weight: 600; }
.contact-phone { font-size: 12px; color: var(--muted); }

.panel-block { margin-bottom: 16px; }
.panel-block-title { font-size: 11px; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; display: flex; justify-content: space-between; align-items: center; }
.kv-row { display: flex; justify-content: space-between; font-size: 13px; padding: 3px 0; }
.kv-row span:first-child { color: var(--muted); }
.panel-actions { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.panel-actions select, .panel-actions button { font-size: 12px; padding: 5px 8px; border-radius: 6px; border: 1px solid var(--border); background: #0b1222; color: var(--text); cursor: pointer; }
#panel-reconcile-block { background: #3f2f14; padding: 10px; border-radius: 8px; }
#panel-reconcile-block select, #panel-reconcile-block button { width: 100%; margin-top: 6px; font-size: 12px; padding: 6px; border-radius: 6px; border: 1px solid var(--border); background: #0b1222; color: var(--text); }

.tag-chip-list { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.tag-chip { background: #0b1222; border: 1px solid var(--border); padding: 3px 8px; border-radius: 999px; font-size: 12px; }
.tag-chip-remove { background: none; border: none; color: var(--muted); cursor: pointer; font-size: 12px; margin-left: 2px; }
#panel-add-tag-select { width: 100%; font-size: 12px; padding: 6px; border-radius: 6px; border: 1px solid var(--border); background: #0b1222; color: var(--text); }

@media (max-width: 900px) {
  .shell { flex-direction: column; height: auto; overflow: visible; }
  .sidebar { width: 100%; min-width: 0; flex-direction: row; flex-wrap: wrap; align-items: center; }
  .nav { flex-direction: row; flex-wrap: wrap; }
  .nav-section { display: none; }
  #content { padding: 12px; }
  .inbox-panel { height: auto; }
  .inbox-grid { grid-template-columns: 1fr; }
  .inbox-left, .inbox-right { max-height: 280px; }
}

@media (max-width: 640px) {
  main { padding: 10px; }
  th, td { font-size: 12px; padding: 6px; }
}