:root {
  --bg: #0f1115;
  --bg-panel: #171a21;
  --bg-panel-2: #1e222b;
  --border: #2a2f3a;
  --text: #e8eaed;
  --text-dim: #9aa0ac;
  --accent: #5b8cff;
  --accent-hover: #4573e8;
  --danger: #e5484d;
  --success: #3dd68c;
  --warn: #f5a623;
  --radius: 8px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

.hidden { display: none !important; }

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  border-radius: var(--radius);
  padding: 8px 14px;
  font-size: 13px;
  background: var(--accent);
  color: white;
  transition: background 0.15s;
}
button:hover { background: var(--accent-hover); }
button:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-ghost:hover { background: var(--bg-panel-2); }

.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #c93e42; }

.btn-small { padding: 4px 10px; font-size: 12px; }

input, textarea, select {
  font-family: inherit;
  background: var(--bg-panel-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 8px 10px;
  font-size: 13px;
  width: 100%;
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent);
}

label {
  display: block;
  margin-bottom: 12px;
  font-size: 12px;
  color: var(--text-dim);
}
label input, label textarea, label select { margin-top: 4px; }

/* ===== Auth Screen ===== */
.auth-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.auth-card {
  width: 100%;
  max-width: 380px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
}
.auth-card h1 { margin: 0 0 4px; font-size: 24px; }
.subtitle { margin: 0 0 24px; color: var(--text-dim); font-size: 13px; }
.auth-tabs { display: flex; gap: 4px; margin-bottom: 20px; background: var(--bg-panel-2); border-radius: var(--radius); padding: 4px; }
.auth-tab { flex: 1; background: transparent; color: var(--text-dim); }
.auth-tab.active { background: var(--accent); color: white; }
.auth-form button[type="submit"] { width: 100%; margin-top: 8px; }
.form-error { color: var(--danger); font-size: 12px; margin-top: 10px; min-height: 14px; }

/* ===== App Screen ===== */
.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-panel);
}
.brand { font-weight: 700; font-size: 16px; }
.org-select-wrap { display: flex; gap: 8px; flex: 1; max-width: 360px; }
#org-select { width: auto; flex: 1; }
.topbar-right { display: flex; align-items: center; gap: 12px; margin-left: auto; }
#user-email { color: var(--text-dim); font-size: 12px; }

.tabs {
  display: flex;
  gap: 4px;
  padding: 10px 20px 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg-panel);
}
.nav-tab {
  background: transparent;
  color: var(--text-dim);
  border-radius: var(--radius) var(--radius) 0 0;
  padding: 10px 16px;
}
.nav-tab.active { background: var(--bg); color: var(--text); }

.view-root { padding: 24px; max-width: 1100px; margin: 0 auto; }

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.section-header h2 { margin: 0; font-size: 18px; }

.empty-state {
  text-align: center;
  color: var(--text-dim);
  padding: 60px 20px;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}

.card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 12px;
}
.card-title { font-weight: 600; margin-bottom: 4px; }
.card-meta { color: var(--text-dim); font-size: 12px; margin-bottom: 8px; }
.card-body { font-size: 13px; white-space: pre-wrap; word-break: break-word; }
.card-actions { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }

.tag {
  display: inline-block;
  background: var(--bg-panel-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2px 10px;
  font-size: 11px;
  color: var(--text-dim);
  margin-right: 6px;
}
.tag.priority-5, .tag.priority-4 { color: var(--danger); border-color: var(--danger); }
.tag.status-connected { color: var(--success); border-color: var(--success); }
.tag.status-pending { color: var(--warn); border-color: var(--warn); }
.tag.status-error, .tag.status-disconnected { color: var(--danger); border-color: var(--danger); }

.search-bar { display: flex; gap: 8px; margin-bottom: 16px; }
.search-bar input { flex: 1; }

.two-col { display: grid; grid-template-columns: 280px 1fr; gap: 16px; height: calc(100vh - 220px); }
.conv-list { overflow-y: auto; border: 1px solid var(--border); border-radius: var(--radius); }
.conv-item { padding: 12px; border-bottom: 1px solid var(--border); cursor: pointer; }
.conv-item:hover { background: var(--bg-panel-2); }
.conv-item.active { background: var(--bg-panel-2); border-left: 3px solid var(--accent); }
.conv-item .phone { font-weight: 600; font-size: 13px; }
.conv-item .preview { color: var(--text-dim); font-size: 12px; margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.msg-panel { display: flex; flex-direction: column; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.msg-list { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.msg-bubble { max-width: 70%; padding: 8px 12px; border-radius: 12px; font-size: 13px; }
.msg-bubble.inbound { align-self: flex-start; background: var(--bg-panel-2); }
.msg-bubble.outbound { align-self: flex-end; background: var(--accent); color: white; }
.msg-reply { display: flex; gap: 8px; padding: 12px; border-top: 1px solid var(--border); }
.msg-reply textarea { resize: none; height: 40px; }

.code-block {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px;
  font-family: "SF Mono", Consolas, monospace;
  font-size: 12px;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 300px;
  overflow-y: auto;
}

.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex; align-items: center; justify-content: center;
  z-index: 100;
  padding: 20px;
}
.modal {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  width: 100%;
  max-width: 480px;
  max-height: 85vh;
  overflow-y: auto;
}
.modal h3 { margin-top: 0; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 20px; }

.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-panel-2);
  border: 1px solid var(--border);
  padding: 10px 18px;
  border-radius: var(--radius);
  z-index: 200;
  font-size: 13px;
}
.toast.error { border-color: var(--danger); color: var(--danger); }
.toast.success { border-color: var(--success); color: var(--success); }

.row { display: flex; gap: 8px; }
.row > * { flex: 1; }
.muted { color: var(--text-dim); }
.mt8 { margin-top: 8px; }
.mt16 { margin-top: 16px; }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}
.stat-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
}
.stat-value { font-size: 24px; font-weight: 700; }
.stat-label { font-size: 12px; color: var(--text-dim); margin-top: 2px; }
.stat-value.warn { color: var(--warn); }
.stat-value.danger { color: var(--danger); }
.stat-value.success { color: var(--success); }

.bar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; font-size: 13px; }
.bar-label { width: 130px; flex-shrink: 0; color: var(--text-dim); }
.bar-track { flex: 1; background: var(--bg-panel-2); border-radius: 4px; height: 16px; overflow: hidden; }
.bar-fill { background: var(--accent); height: 100%; }
.bar-count { width: 40px; text-align: right; flex-shrink: 0; }

.welcome-panel { padding: 28px; margin-bottom: 20px; border-radius: 14px; background: linear-gradient(135deg, var(--bg-panel), var(--bg-panel-2)); border: 1px solid var(--border); }
.welcome-panel h1 { margin: 6px 0 8px; font-size: 28px; }
.welcome-panel p { color: var(--text-dim); max-width: 680px; line-height: 1.55; }
.eyebrow { color: var(--accent); font-size: 11px; font-weight: 700; letter-spacing: .12em; }
.source-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.source-card { display: grid; grid-template-columns: 42px 1fr; gap: 12px; min-height: 160px; padding: 18px; border: 1px solid var(--border); border-radius: 12px; background: var(--bg-panel); }
.source-card.connected { border-color: var(--success); }
.source-card h3 { margin: 2px 0 6px; }
.source-card p { margin: 0; color: var(--text-dim); font-size: 13px; line-height: 1.45; }
.source-icon { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 10px; background: var(--bg-panel-2); font-size: 20px; }
.source-action { grid-column: 2; align-self: end; }
.connection-ok { display: block; color: var(--success); font-size: 12px; margin-top: 9px; }
@media (max-width: 720px) { .source-grid { grid-template-columns: 1fr; } .tabs { overflow-x: auto; } .topbar { flex-wrap: wrap; } #user-email { display: none; } }