/* ── Variables ──────────────────────────────────────────────────────────── */
:root {
  --bg-0: #0d1117;
  --bg-1: #161b22;
  --bg-2: #21262d;
  --bg-hover: #2d333b;
  --border: #30363d;
  --border-subtle: #21262d;

  --text: #e6edf3;
  --text-2: #c9d1d9;
  --text-muted: #8b949e;
  --text-dim: #6e7681;

  --green: #00d4aa;
  --green-dim: rgba(0, 212, 170, 0.12);
  --green-border: rgba(0, 212, 170, 0.3);
  --purple: #a78bfa;
  --purple-dim: rgba(167, 139, 250, 0.12);
  --purple-border: rgba(167, 139, 250, 0.3);
  --blue: #58a6ff;
  --success: #3fb950;
  --warning: #d29922;
  --danger: #f85149;
  --danger-dim: rgba(248, 81, 73, 0.12);

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;

  --shadow: 0 8px 32px rgba(0,0,0,0.6);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.4);

  --sidebar-w: 280px;
  --ops-w: 270px;
  --transition: 180ms ease;
}

/* ── Reset ──────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; overflow: hidden; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--bg-0);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea { font-family: inherit; color: var(--text); }
code { font-family: 'SF Mono', 'Fira Code', monospace; font-size: .85em; background: var(--bg-2); padding: 2px 5px; border-radius: 4px; }
.hidden { display: none !important; }

/* ── Loading Screen ──────────────────────────────────────────────────────── */
.loading-screen {
  position: fixed; inset: 0;
  background: var(--bg-0);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 2rem; z-index: 100;
}

/* ── Logo ────────────────────────────────────────────────────────────────── */
.logo-lockup {
  display: flex; align-items: center; gap: .6rem;
  font-size: 1rem; font-weight: 500; color: var(--text);
  white-space: nowrap;
}
.logo-lockup strong { font-weight: 700; }
.logo-icon {
  width: 32px; height: 32px;
  background: var(--green);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  color: #000;
}
.logo-icon svg { width: 18px; height: 18px; }
.loading-logo { display: flex; align-items: center; gap: .75rem; font-size: 1.25rem; font-weight: 600; }

/* ── Spinner ──────────────────────────────────────────────────────────────── */
.loading-spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--green);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
.loading-spinner.small { width: 18px; height: 18px; border-width: 2px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Status Badges ───────────────────────────────────────────────────────── */
.status-badge {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .25rem .7rem;
  border-radius: 999px;
  font-size: .75rem; font-weight: 500;
  border: 1px solid transparent;
}
.dot {
  width: 6px; height: 6px; border-radius: 50%;
  flex-shrink: 0;
}
.status-connected { background: var(--green-dim); border-color: var(--green-border); color: var(--green); }
.status-connected .dot { background: var(--green); animation: pulse-green 2s ease-in-out infinite; }
.status-awaiting { background: rgba(210, 153, 34, .12); border-color: rgba(210, 153, 34, .3); color: var(--warning); }
.status-awaiting .dot { background: var(--warning); }
.status-reconnecting { background: rgba(88, 166, 255, .1); border-color: rgba(88, 166, 255, .25); color: var(--blue); }
.status-reconnecting .dot { background: var(--blue); animation: pulse-blue 1.5s ease-in-out infinite; }
.status-disconnected, .status-degraded { background: var(--danger-dim); border-color: rgba(248,81,73,.25); color: var(--danger); }
.status-disconnected .dot, .status-degraded .dot { background: var(--danger); }
.status-failed { background: var(--danger-dim); border-color: rgba(248,81,73,.25); color: var(--danger); }
.status-failed .dot { background: var(--danger); }
.status-idle { background: var(--bg-2); border-color: var(--border); color: var(--text-muted); }
.status-idle .dot { background: var(--text-muted); }
.status-busy { background: var(--purple-dim); border-color: var(--purple-border); color: var(--purple); }
.status-busy .dot { background: var(--purple); animation: pulse-purple 1s ease-in-out infinite; }

@keyframes pulse-green {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0,212,170,.4); }
  50% { box-shadow: 0 0 0 4px rgba(0,212,170,0); }
}
@keyframes pulse-blue {
  0%, 100% { box-shadow: 0 0 0 0 rgba(88,166,255,.4); }
  50% { box-shadow: 0 0 0 4px rgba(88,166,255,0); }
}
@keyframes pulse-purple {
  0%, 100% { box-shadow: 0 0 0 0 rgba(167,139,250,.4); }
  50% { box-shadow: 0 0 0 4px rgba(167,139,250,0); }
}

/* ── QR Screen ───────────────────────────────────────────────────────────── */
.qr-screen {
  position: fixed; inset: 0;
  background: var(--bg-0);
  display: flex; align-items: center; justify-content: center;
  padding: 1.5rem;
}
.qr-card {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2rem;
  width: 100%; max-width: 360px;
  box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 1.25rem;
}
.qr-header { display: flex; align-items: center; justify-content: space-between; }
.qr-body { display: flex; flex-direction: column; align-items: center; gap: 1rem; }
.qr-image-wrap {
  position: relative;
  width: 240px; height: 240px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: white;
  padding: 12px;
  box-shadow: 0 0 0 1px var(--border), var(--shadow-sm);
}
.qr-image-wrap img { width: 100%; height: 100%; display: block; }
.qr-overlay {
  position: absolute; inset: 0;
  background: rgba(13,17,23,.92);
  display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(4px);
}
.qr-refresh-msg {
  display: flex; flex-direction: column; align-items: center; gap: .5rem;
  color: var(--text-muted); font-size: .85rem;
}
.qr-refresh-msg svg { width: 28px; height: 28px; color: var(--warning); }
.qr-hint { color: var(--text-muted); font-size: .85rem; text-align: center; line-height: 1.6; }
.qr-hint strong { color: var(--text); }
.qr-steps { display: flex; flex-direction: column; gap: .5rem; width: 100%; }
.step {
  display: flex; align-items: center; gap: .75rem;
  color: var(--text-muted); font-size: .8rem;
}
.step span {
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--green-dim); border: 1px solid var(--green-border);
  color: var(--green); font-size: .7rem; font-weight: 600;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.qr-connecting {
  display: flex; align-items: center; gap: .75rem;
  color: var(--text-muted); font-size: .85rem;
  padding: .5rem;
}

/* ── Dashboard Layout ────────────────────────────────────────────────────── */
.dashboard {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr var(--ops-w);
  height: 100vh;
  overflow: hidden;
}

/* ── Sidebar ──────────────────────────────────────────────────────────────── */
.sidebar {
  background: var(--bg-1);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  overflow: hidden;
}
.sidebar-header {
  padding: 1rem;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  gap: .5rem; flex-shrink: 0;
}
.inbox-search-wrap { padding: .75rem 1rem .5rem; flex-shrink: 0; }
.inbox-search {
  width: 100%; padding: .5rem .75rem;
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: var(--radius); font-size: .85rem;
  outline: none; transition: border-color var(--transition);
}
.inbox-search::placeholder { color: var(--text-dim); }
.inbox-search:focus { border-color: var(--green-border); }
.inbox-label {
  padding: .25rem 1rem .5rem;
  display: flex; align-items: center; justify-content: space-between;
  font-size: .7rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: .06em; color: var(--text-dim);
  flex-shrink: 0;
}
.unread-pill {
  background: var(--green); color: #000;
  font-size: .65rem; font-weight: 700;
  padding: .1rem .4rem; border-radius: 999px;
  min-width: 18px; text-align: center;
}
.inbox-list { flex: 1; overflow-y: auto; }
.inbox-list::-webkit-scrollbar { width: 4px; }
.inbox-list::-webkit-scrollbar-track { background: transparent; }
.inbox-list::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }
.inbox-empty { padding: 2rem 1rem; color: var(--text-dim); font-size: .85rem; text-align: center; }

/* Inbox Item */
.inbox-item {
  padding: .75rem 1rem;
  display: flex; align-items: center; gap: .75rem;
  cursor: pointer; transition: background var(--transition);
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
}
.inbox-item:hover { background: var(--bg-hover); }
.inbox-item.active { background: var(--green-dim); }
.inbox-item.active::before {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: var(--green); border-radius: 0 3px 3px 0;
}
.avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: linear-gradient(135deg, var(--green-dim), var(--green-border));
  border: 1px solid var(--green-border);
  color: var(--green); font-weight: 600; font-size: .95rem;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.avatar-lg { width: 38px; height: 38px; font-size: .9rem; }
.inbox-info { flex: 1; min-width: 0; }
.inbox-row1 { display: flex; justify-content: space-between; align-items: center; }
.inbox-name { font-weight: 500; font-size: .9rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.inbox-time { font-size: .7rem; color: var(--text-dim); flex-shrink: 0; margin-left: .5rem; }
.inbox-row2 { display: flex; justify-content: space-between; align-items: center; margin-top: .2rem; }
.inbox-preview { font-size: .8rem; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; flex: 1; }
.inbox-unread {
  background: var(--green); color: #000;
  font-size: .65rem; font-weight: 700;
  width: 18px; height: 18px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; margin-left: .5rem;
}

/* ── Conversation Panel ──────────────────────────────────────────────────── */
.conv-panel {
  display: flex; flex-direction: column;
  background: var(--bg-0);
  overflow: hidden; min-width: 0;
}
.conv-placeholder {
  flex: 1;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 1rem; color: var(--text-muted);
  padding: 2rem;
}
.placeholder-icon {
  width: 64px; height: 64px;
  background: var(--bg-2); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-dim);
}
.placeholder-icon svg { width: 28px; height: 28px; }
.conv-placeholder h3 { font-size: 1rem; font-weight: 600; color: var(--text-2); }
.conv-placeholder p { font-size: .85rem; text-align: center; }
.conv-view { flex: 1; display: flex; flex-direction: column; overflow: hidden; }

.conv-header {
  padding: .875rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-1);
  display: flex; align-items: center; justify-content: space-between;
  flex-shrink: 0;
}
.conv-header-info { display: flex; align-items: center; gap: .75rem; }
.conv-name { font-weight: 600; font-size: .95rem; }
.conv-phone { font-size: .75rem; color: var(--text-muted); }
.conv-header-actions { display: flex; gap: .5rem; }

/* Messages */
.message-list {
  flex: 1; overflow-y: auto; padding: 1.25rem;
  display: flex; flex-direction: column; gap: .6rem;
}
.message-list::-webkit-scrollbar { width: 4px; }
.message-list::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.msg-wrap { display: flex; animation: fadeUp .2s ease; }
.msg-wrap.from-me { justify-content: flex-end; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.bubble {
  max-width: 72%; padding: .6rem .9rem;
  border-radius: var(--radius-lg);
  font-size: .88rem; line-height: 1.55;
  word-break: break-word;
}
.from-them .bubble {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-bottom-left-radius: var(--radius-sm);
  color: var(--text);
}
.from-me .bubble {
  background: linear-gradient(135deg, #00b894, var(--green));
  color: #000;
  border-bottom-right-radius: var(--radius-sm);
}
.bubble-meta {
  display: flex; align-items: center; justify-content: flex-end;
  gap: .3rem; margin-top: .3rem;
  font-size: .67rem; opacity: .65;
}
.tick { font-size: .75rem; }
.tick.sent { color: #000; }
.date-divider {
  text-align: center; color: var(--text-dim);
  font-size: .7rem; padding: .5rem 0;
  display: flex; align-items: center; gap: .75rem;
}
.date-divider::before, .date-divider::after {
  content: ''; flex: 1; height: 1px; background: var(--border);
}

/* ── Compose Area ─────────────────────────────────────────────────────────── */
.compose-area {
  border-top: 1px solid var(--border);
  background: var(--bg-1);
  padding: .875rem 1.25rem;
  display: flex; flex-direction: column; gap: .625rem;
  flex-shrink: 0;
}
.ai-draft-bar {
  background: var(--purple-dim);
  border: 1px solid var(--purple-border);
  border-radius: var(--radius);
  padding: .5rem .75rem;
  display: flex; align-items: center; justify-content: space-between;
  animation: fadeUp .2s ease;
}
.ai-draft-inner { display: flex; align-items: center; gap: .5rem; color: var(--purple); font-size: .8rem; }
.ai-icon { width: 14px; height: 14px; flex-shrink: 0; }
.compose-input {
  width: 100%; resize: none;
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: .6rem .875rem;
  font-size: .9rem; line-height: 1.5;
  outline: none; transition: border-color var(--transition);
  max-height: 140px; overflow-y: auto;
}
.compose-input::placeholder { color: var(--text-dim); }
.compose-input:focus { border-color: var(--green-border); }
.compose-actions {
  display: flex; align-items: center; justify-content: space-between; gap: .75rem;
}
.compose-right { display: flex; align-items: center; gap: .75rem; }
.char-count { font-size: .75rem; color: var(--text-dim); }

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .5rem 1rem; border-radius: var(--radius);
  font-size: .85rem; font-weight: 500;
  transition: all var(--transition);
}
.btn svg { width: 14px; height: 14px; flex-shrink: 0; }
.btn-ai {
  background: var(--purple-dim);
  border: 1px solid var(--purple-border);
  color: var(--purple);
}
.btn-ai:hover { background: rgba(167,139,250,.2); border-color: rgba(167,139,250,.5); }
.btn-ai:disabled { opacity: .4; cursor: not-allowed; }
.btn-send {
  background: var(--green);
  color: #000; font-weight: 600;
}
.btn-send:hover { background: #00e5b8; }
.btn-send:disabled { opacity: .4; cursor: not-allowed; }
.icon-btn {
  width: 32px; height: 32px;
  border-radius: var(--radius-sm);
  background: var(--bg-2); border: 1px solid var(--border);
  color: var(--text-muted);
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.icon-btn:hover { background: var(--bg-hover); color: var(--text); }
.icon-btn svg { width: 15px; height: 15px; }
.icon-btn.small { width: 24px; height: 24px; background: transparent; border: none; font-size: .7rem; }

/* ── Operations Panel ────────────────────────────────────────────────────── */
.ops-panel {
  background: var(--bg-1);
  border-left: 1px solid var(--border);
  overflow-y: auto; padding: 1.25rem 1rem;
  display: flex; flex-direction: column; gap: 1.25rem;
}
.ops-panel::-webkit-scrollbar { width: 4px; }
.ops-panel::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }
.ops-title {
  font-size: .7rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: .07em; color: var(--text-dim);
  margin-bottom: .625rem;
}
.ops-card {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
}
.ops-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: .625rem .875rem;
  border-bottom: 1px solid var(--border-subtle);
}
.ops-row:last-child { border-bottom: none; }
.ops-label { font-size: .8rem; color: var(--text-muted); }
.ops-value { font-size: .8rem; color: var(--text-2); }
.ops-value.mono { font-family: 'SF Mono', 'Fira Code', monospace; font-size: .75rem; }
.ops-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: .5rem;
}
.metric-card {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: .75rem;
  text-align: center;
}
.metric-card.success { border-color: rgba(63,185,80,.25); background: rgba(63,185,80,.07); }
.metric-card.danger  { border-color: rgba(248,81,73,.2);  background: rgba(248,81,73,.07); }
.metric-value { font-size: 1.5rem; font-weight: 700; color: var(--text); line-height: 1; }
.metric-card.success .metric-value { color: var(--success); }
.metric-card.danger  .metric-value { color: var(--danger); }
.metric-label { font-size: .7rem; color: var(--text-muted); margin-top: .25rem; }

.demo-banner {
  display: flex; align-items: flex-start; gap: .625rem;
  background: rgba(210,153,34,.1); border: 1px solid rgba(210,153,34,.3);
  border-radius: var(--radius); padding: .75rem;
  color: var(--warning); font-size: .8rem;
}
.demo-banner svg { width: 16px; height: 16px; flex-shrink: 0; margin-top: 1px; }
.demo-banner strong { display: block; margin-bottom: .15rem; font-size: .82rem; }
.demo-banner p { color: rgba(210,153,34,.8); font-size: .75rem; }

/* ── Toasts ───────────────────────────────────────────────────────────────── */
.toast-container {
  position: fixed; bottom: 1.25rem; right: 1.25rem;
  display: flex; flex-direction: column; gap: .5rem;
  z-index: 200; pointer-events: none;
}
.toast {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: .75rem 1rem;
  font-size: .85rem; color: var(--text);
  box-shadow: var(--shadow); max-width: 300px;
  animation: toastIn .25s ease, toastOut .25s ease 2.75s forwards;
  display: flex; align-items: center; gap: .6rem;
  pointer-events: auto;
}
.toast-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.toast.green { border-left: 3px solid var(--green); }
.toast.green .toast-dot { background: var(--green); }
.toast.purple { border-left: 3px solid var(--purple); }
.toast.purple .toast-dot { background: var(--purple); }
.toast.red { border-left: 3px solid var(--danger); }
.toast.red .toast-dot { background: var(--danger); }

@keyframes toastIn  { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
@keyframes toastOut { from { opacity: 1; } to { opacity: 0; } }

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .dashboard { grid-template-columns: var(--sidebar-w) 1fr; }
  .ops-panel { display: none; }
  .ops-panel.open {
    display: flex; position: fixed; right: 0; top: 0; bottom: 0;
    width: var(--ops-w); z-index: 50; box-shadow: var(--shadow);
  }
}
@media (max-width: 600px) {
  :root { --sidebar-w: 200px; }
  .inbox-time { display: none; }
  .bubble { max-width: 88%; }
}