:root {
  color-scheme: dark;
  --bg: #07110f;
  --panel: #0d1d18;
  --panel-2: #102b22;
  --text: #ecfff8;
  --muted: #95b8ab;
  --green: #16d98b;
  --green-dark: #0a7c52;
  --border: rgba(255, 255, 255, 0.12);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(22, 217, 139, 0.14), transparent 32rem),
    linear-gradient(135deg, #050807, var(--bg));
  color: var(--text);
}

.app {
  max-width: 1180px;
  margin: 0 auto;
  padding: 32px 18px;
}

.hero {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: end;
  margin-bottom: 22px;
}

.eyebrow {
  color: var(--green);
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: 12px;
  margin: 0 0 8px;
}

h1 {
  font-size: clamp(32px, 5vw, 56px);
  margin: 0 0 10px;
}

.hero p {
  color: var(--muted);
  max-width: 720px;
}

.token-box {
  min-width: 260px;
  padding: 16px;
  border: 1px solid var(--border);
  background: rgba(13, 29, 24, .75);
  border-radius: 18px;
}

label {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 8px;
}

input, textarea {
  width: 100%;
  background: #06100d;
  border: 1px solid var(--border);
  border-radius: 14px;
  color: var(--text);
  padding: 13px 14px;
  font: inherit;
  outline: none;
}

textarea { resize: vertical; }

button {
  border: 0;
  color: #001d12;
  background: var(--green);
  border-radius: 999px;
  padding: 12px 18px;
  font-weight: 800;
  cursor: pointer;
}

.token-box button {
  width: 100%;
  margin-top: 10px;
}

.grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 18px;
}

.panel {
  border: 1px solid var(--border);
  background: rgba(13, 29, 24, .88);
  border-radius: 24px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, .3);
}

.chat {
  min-height: 680px;
  display: flex;
  flex-direction: column;
}

.messages {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
}

.bubble {
  max-width: 78%;
  margin: 0 0 14px;
  padding: 13px 15px;
  border-radius: 18px;
  white-space: pre-wrap;
  line-height: 1.45;
}

.client {
  background: #202a27;
  color: var(--text);
}

.mauricio {
  margin-left: auto;
  background: var(--panel-2);
  border: 1px solid rgba(22, 217, 139, .28);
}

.meta {
  color: var(--muted);
  font-size: 12px;
  margin-top: 8px;
}

.composer {
  border-top: 1px solid var(--border);
  padding: 16px;
  display: grid;
  gap: 12px;
}

.coach {
  padding: 20px;
  height: fit-content;
  position: sticky;
  top: 20px;
}

.coach h2 { margin-top: 0; }
.muted { color: var(--muted); }

.actions {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

.secondary {
  color: var(--text);
  background: var(--green-dark);
}

.status {
  color: var(--green);
  margin-top: 14px;
  min-height: 20px;
}

@media (max-width: 880px) {
  .hero, .grid { grid-template-columns: 1fr; display: grid; }
  .token-box { min-width: 0; }
  .coach { position: static; }
}