:root {
  color-scheme: dark;
  --bg: #0c0f14;
  --bg-elev: #141a24;
  --border: #243044;
  --text: #e8eefc;
  --muted: #8b9bb8;
  --accent: #5eead4;
  --primary: #7c9cff;
  --warn: #fbbf24;
  --bad: #fb7185;
  --ok: #4ade80;
  --radius: 14px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  background: radial-gradient(1200px 800px at 20% -10%, #1a2540 0%, var(--bg) 55%);
  color: var(--text);
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

.app-shell {
  min-height: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 12px 14px calc(14px + env(safe-area-inset-bottom));
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.04em;
  font-size: 1.05rem;
  color: var(--text);
  text-decoration: none;
}
.brand:hover {
  text-decoration: none;
  color: var(--accent);
}

.badge {
  font-size: 0.8rem;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(20, 26, 36, 0.7);
}

.main {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.panel {
  background: rgba(20, 26, 36, 0.72);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 14px 16px;
  backdrop-filter: blur(10px);
}

.h1 {
  font-size: 1.35rem;
  margin: 0 0 8px;
}
.h2 {
  font-size: 1.05rem;
  margin: 0;
}

.muted {
  color: var(--muted);
  font-size: 0.92rem;
}

.row.spread {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.btn {
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 0.95rem;
  cursor: pointer;
}
.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.btn-primary {
  border-color: #3b4d7a;
  background: linear-gradient(180deg, #2c3b63, #222c45);
}
.btn-accent {
  border-color: #2f6f68;
  background: linear-gradient(180deg, #1f4f4a, #172a2f);
  color: #d9fff9;
}
.btn-ghost {
  background: transparent;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--muted);
}
.field input,
.field select {
  padding: 11px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #0b1018;
  color: var(--text);
  font-size: 1rem;
}

.banner {
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 0.9rem;
  margin: 10px 0;
}
.banner-warn {
  border: 1px solid rgba(251, 191, 36, 0.35);
  background: rgba(251, 191, 36, 0.08);
  color: #fde68a;
}
.banner-bad {
  border: 1px solid rgba(251, 113, 133, 0.35);
  background: rgba(251, 113, 133, 0.08);
  color: #fecdd3;
}
.banner-ok {
  border: 1px solid rgba(74, 222, 128, 0.35);
  background: rgba(74, 222, 128, 0.08);
  color: #bbf7d0;
}
.banner-info {
  border: 1px solid rgba(124, 156, 255, 0.35);
  background: rgba(124, 156, 255, 0.08);
  color: #dbeafe;
}

.bubble-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.bubble-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  background: #0b1018;
}
.bubble-card-link {
  display: block;
  padding: 12px 12px 10px;
  color: inherit;
  text-decoration: none;
}
.bubble-card-link:hover {
  background: rgba(94, 234, 212, 0.06);
  text-decoration: none;
}
.bubble-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 6px;
}

.bubble-card-title {
  font-weight: 600;
  flex: 1;
  min-width: 0;
}

.bubble-card-active {
  flex-shrink: 0;
  font-size: 0.78rem;
  font-weight: 600;
  color: #d9fff9;
  background: rgba(94, 234, 212, 0.12);
  border: 1px solid #2f6f68;
  padding: 3px 8px;
  border-radius: 999px;
}
.bubble-card-meta {
  font-size: 0.85rem;
  color: var(--muted);
}

/* Chat */
.chat-header .back-link {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 0.9rem;
}
.meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}
.pill {
  font-size: 0.78rem;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
}
.pill-accent {
  color: #d9fff9;
  border-color: #2f6f68;
  background: rgba(94, 234, 212, 0.08);
}

/* Connection indicator — fixed 10px dot, no text = no vertical jump */
.conn-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--muted);
  box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.25);
}

.conn-dot[data-state="loading"] {
  background: var(--warn);
  animation: conn-pulse 1.2s ease-in-out infinite;
}

.conn-dot[data-state="ok"] {
  background: var(--ok);
  animation: none;
}

.conn-dot[data-state="error"] {
  background: var(--bad);
  animation: none;
}

@keyframes conn-pulse {
  0%,
  100% {
    opacity: 0.5;
  }
  50% {
    opacity: 1;
  }
}

.chat-wrap {
  display: flex;
  flex-direction: column;
  min-height: min(62dvh, 560px);
  padding-bottom: 10px;
}

.chat-wrap .messages {
  flex: 1;
  overflow-y: auto;
  max-height: min(58dvh, 520px);
  padding: 4px 2px 10px;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  contain: layout style;
}

.chat-wrap .messages-placeholder {
  text-align: center;
  padding: 24px 12px;
  font-size: 0.9rem;
  color: var(--muted);
}

.composer-hint {
  margin: 6px 0 0;
  min-height: 1.15rem;
  font-size: 0.8rem;
  text-align: center;
}

.composer-hint-warn {
  color: #fde68a;
}

.composer input:not(:disabled) {
  opacity: 1;
}

.composer .btn-primary:disabled {
  opacity: 0.55;
}

.msg {
  margin-bottom: 12px;
}
.msg-meta {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 4px;
}
.msg-name {
  color: var(--accent);
  font-weight: 600;
}
.msg-body {
  background: #0b1018;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  white-space: pre-wrap;
  word-break: break-word;
}

.chat-wrap .typing {
  min-height: 1.2em;
  font-size: 0.85rem;
  margin-bottom: 6px;
}

.composer {
  display: flex;
  gap: 8px;
  margin-top: auto;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}
.composer input {
  flex: 1;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #0b1018;
  color: var(--text);
  font-size: 1rem;
}

@media (min-width: 600px) {
  .h1 {
    font-size: 1.55rem;
  }
}

.form-inline {
  flex-direction: row;
  align-items: flex-end;
  flex-wrap: wrap;
}

.field-grow {
  flex: 1;
  min-width: 12rem;
}

.name-error {
  color: var(--bad);
}