:root {
  /* Palette sampled from eyesurgeonsofindiana.com's own site */
  --navy: #111635;
  --navy-soft: #1b2247;
  --accent: #4d7fff;
  --accent-dark: #3660d9;
  --accent-soft: #eaf0ff;
  --coral: #c44e47;
  --surface-blue: #d7e0ec;

  --bg: #f4f6fb;
  --panel: #ffffff;
  --border: #e3e7f0;
  --text: #171b2e;
  --muted: #667085;
  --bubble-user: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  --bubble-bot: #f0f3f9;
  --success: #1c8a5a;
  --danger: #c44e47;

  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Ubuntu, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

header.app-header {
  background: var(--navy);
  background-image: linear-gradient(120deg, var(--navy) 0%, var(--navy-soft) 100%);
  color: white;
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 2px 12px rgba(17, 22, 53, 0.25);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand { display: flex; align-items: center; gap: 12px; }

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-name { font-size: 15px; font-weight: 600; }
.brand-sub { font-size: 12px; color: rgba(255, 255, 255, 0.65); }

.tenant-picker { display: flex; align-items: center; gap: 8px; }
.tenant-picker label { font-size: 12px; color: rgba(255, 255, 255, 0.7); }
.tenant-picker select {
  background: rgba(255, 255, 255, 0.08);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.2);
}
.tenant-picker select option { color: var(--text); }

select, input, textarea, button {
  font-family: inherit;
  font-size: 14px;
}

select, input[type="text"], input[type="url"], textarea {
  padding: 9px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: white;
  color: var(--text);
}

select:focus, input:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

button {
  padding: 9px 16px;
  border-radius: 8px;
  border: none;
  background: var(--accent);
  color: white;
  cursor: pointer;
  font-weight: 500;
  transition: background 0.15s ease, transform 0.05s ease;
}

button:hover { background: var(--accent-dark); }
button:active { transform: translateY(1px); }
button.secondary { background: #fff; color: var(--navy); border: 1px solid var(--border); }
button.secondary:hover { background: var(--accent-soft); border-color: var(--accent); }
button:disabled { opacity: 0.5; cursor: not-allowed; }

nav.tabs {
  display: flex;
  gap: 4px;
  padding: 0 28px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

nav.tabs button {
  background: transparent;
  color: var(--muted);
  border-radius: 0;
  border-bottom: 3px solid transparent;
  padding: 13px 18px;
  font-weight: 500;
}

nav.tabs button.active {
  color: var(--navy);
  border-bottom: 3px solid var(--accent);
}

nav.tabs button:hover { background: var(--bg); }

main { max-width: 1180px; margin: 0 auto; padding: 28px; }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  margin-bottom: 22px;
  box-shadow: 0 1px 3px rgba(17, 22, 53, 0.04);
}

.panel h2 { margin-top: 0; font-size: 16px; }
.panel h3 { font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }

.chat-panel { padding: 0; overflow: hidden; }

.chat-panel-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, #fbfcfe 0%, #ffffff 100%);
}

.chat-panel-header h2 { margin: 0; font-size: 16px; color: var(--navy); }

.assistant-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-soft);
  flex-shrink: 0;
}
.assistant-avatar svg { width: 22px; height: 22px; }

.assistant-status {
  font-size: 12px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 2px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 3px rgba(28, 138, 90, 0.15);
  display: inline-block;
}

.field-row { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }
.field-row > * { flex: 1; min-width: 180px; }
.field-row.inline { align-items: center; }

#chat-window {
  height: 620px;
  overflow-y: auto;
  padding: 24px;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.msg { max-width: 70%; padding: 12px 16px; border-radius: 16px; line-height: 1.5; }
.msg.user {
  align-self: flex-end;
  background: var(--bubble-user);
  color: white;
  border-bottom-right-radius: 4px;
  box-shadow: 0 2px 8px rgba(77, 127, 255, 0.25);
}
.msg.assistant {
  align-self: flex-start;
  background: var(--bubble-bot);
  color: var(--text);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
}
.msg.assistant strong { color: var(--navy); }
.msg.system { align-self: center; color: var(--muted); font-size: 12px; }

.msg.typing-indicator {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 14px 18px;
}

.typing-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--muted);
  opacity: 0.4;
  animation: typing-bounce 1.1s infinite ease-in-out;
}
.typing-dot:nth-child(2) { animation-delay: 0.15s; }
.typing-dot:nth-child(3) { animation-delay: 0.3s; }

@keyframes typing-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-4px); opacity: 1; }
}

.sources-block {
  align-self: flex-start;
  max-width: 70%;
  margin-top: -6px;
}

.sources-toggle {
  background: transparent;
  border: none;
  padding: 3px 6px;
  color: var(--accent-dark);
  font-size: 11.5px;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.sources-toggle:hover {
  color: var(--navy);
  background: transparent;
}

.sources-arrow {
  display: inline-block;
  font-size: 9px;
  transition: transform 0.15s ease;
}

.sources-toggle.expanded .sources-arrow {
  transform: rotate(90deg);
}

.sources-list {
  margin-top: 4px;
  padding: 10px 12px;
  background: white;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 11.5px;
  color: var(--muted);
}

.sources-item {
  padding: 3px 0;
  word-break: break-all;
}

.sources-item a {
  color: var(--accent-dark);
  text-decoration: none;
}

.sources-item a:hover {
  text-decoration: underline;
}

.chat-input-row {
  display: flex;
  gap: 10px;
  padding: 18px 24px;
  border-top: 1px solid var(--border);
  background: white;
}
.chat-input-row input {
  flex: 1;
  border-radius: 999px;
  padding: 12px 18px;
}
.chat-input-row button#chat-send {
  border-radius: 999px;
  padding: 0 22px;
}
.chat-input-row button#chat-reset {
  border-radius: 999px;
}

table { width: 100%; border-collapse: collapse; font-size: 13px; }
table th, table td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); }
table th { color: var(--muted); font-weight: 600; }

.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}

.status-msg { font-size: 13px; margin-top: 8px; }
.status-msg.ok { color: var(--success); }
.status-msg.error { color: var(--danger); }

.empty-state { color: var(--muted); font-size: 13px; padding: 12px 0; }

.icon-btn {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
  padding: 5px 12px;
  font-size: 12px;
}
.icon-btn:hover { background: var(--danger); color: white; }

#login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(120deg, var(--navy) 0%, var(--navy-soft) 100%);
}

.login-card {
  background: var(--panel);
  border-radius: 16px;
  padding: 40px 36px;
  width: 340px;
  text-align: center;
  box-shadow: 0 12px 40px rgba(17, 22, 53, 0.3);
}

.login-card .brand-mark {
  margin: 0 auto 16px;
}

.login-card h1 { margin: 0 0 6px; font-size: 22px; color: var(--navy); }
.login-card p { margin: 0 0 22px; color: var(--muted); font-size: 13px; }

#login-checking p { margin: 0; }
.login-spinner {
  width: 28px;
  height: 28px;
  margin: 4px auto 16px;
  border-radius: 50%;
  border: 3px solid var(--accent-soft);
  border-top-color: var(--accent);
  animation: login-spin 0.8s linear infinite;
}
@keyframes login-spin {
  to { transform: rotate(360deg); }
}

.login-btn {
  display: block;
  width: 100%;
  margin-bottom: 10px;
  background: var(--accent);
  color: white;
}
.login-btn-ms { background: var(--navy); color: white; }
.login-btn:hover { opacity: 0.9; }

.user-badge {
  display: flex;
  align-items: center;
  gap: 10px;
}
.user-badge #user-email {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.75);
}
.user-badge button {
  padding: 6px 12px;
  font-size: 12px;
}