:root {
  --bg: #111827;
  --bg-soft: #1a2436;
  --bg-card: #182030;
  --gold: #c9a84c;
  --gold-soft: rgba(201, 168, 76, 0.15);
  --text: #e8eaf0;
  --text-dim: #9aa3b5;
  --line: rgba(201, 168, 76, 0.22);
  --red: #d8413a;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.app {
  max-width: 1180px;
  margin: 0 auto;
  padding: 24px 20px 48px;
}

/* ---------- Topbar ---------- */
.topbar {
  border-bottom: 1px solid var(--line);
  padding-bottom: 18px;
  margin-bottom: 26px;
}

.brand {
  text-align: center;
}

.on-air {
  display: inline-block;
  color: var(--red);
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  animation: pulse 1.6s infinite;
}

@keyframes pulse {
  50% {
    opacity: 0.35;
  }
}

.brand h1 {
  font-size: 2.6rem;
  letter-spacing: 0.16em;
  font-weight: 800;
  margin: 4px 0 2px;
}

.brand h1 span {
  color: var(--gold);
}

.claim {
  color: var(--text-dim);
  font-size: 0.9rem;
  letter-spacing: 0.04em;
}

/* ---------- Stage layout ---------- */
.stage {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 22px;
}

@media (max-width: 820px) {
  .stage {
    grid-template-columns: 1fr;
  }
}

/* ---------- Cast panel ---------- */
.cast {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
  height: fit-content;
}

.cast h2 {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--gold);
  margin-bottom: 14px;
}

.person {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px;
  border-radius: 10px;
  transition: background 0.25s, transform 0.25s;
  border: 1px solid transparent;
}

.person + .person {
  margin-top: 6px;
}

.person .avatar {
  width: 42px;
  height: 42px;
  flex: none;
  display: grid;
  place-items: center;
  font-size: 1.3rem;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 50%;
}

.person .meta strong {
  display: block;
  font-size: 0.92rem;
}

.person .meta small {
  color: var(--text-dim);
  font-size: 0.76rem;
}

.person.speaking {
  background: var(--gold-soft);
  border-color: var(--gold);
  transform: translateX(4px);
}

.person.speaking .avatar {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px var(--gold-soft);
}

/* ---------- Studio / chat ---------- */
.studio {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.controls {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

#tema {
  flex: 1 1 280px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 13px 16px;
  border-radius: 10px;
  font-size: 0.95rem;
  outline: none;
}

#tema:focus {
  border-color: var(--gold);
}

.btn {
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid var(--line);
  padding: 13px 18px;
  border-radius: 10px;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.btn:hover:not(:disabled) {
  border-color: var(--gold);
}

.btn.primary {
  background: var(--gold);
  color: #15110a;
  border-color: var(--gold);
}

.btn.primary:hover:not(:disabled) {
  filter: brightness(1.08);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn.off {
  color: var(--text-dim);
  border-color: var(--line);
  filter: grayscale(0.4);
}

.chat {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
  min-height: 440px;
  max-height: 62vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.placeholder {
  margin: auto;
  text-align: center;
  color: var(--text-dim);
  max-width: 320px;
}

.placeholder .tv-icon {
  font-size: 3rem;
  margin-bottom: 12px;
}

/* ---------- Message bubble ---------- */
.msg {
  display: flex;
  gap: 12px;
  opacity: 0;
  transform: translateY(10px);
  animation: appear 0.45s forwards;
}

@keyframes appear {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.msg .avatar {
  width: 40px;
  height: 40px;
  flex: none;
  display: grid;
  place-items: center;
  font-size: 1.2rem;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 50%;
}

.msg .body {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 4px 12px 12px 12px;
  padding: 11px 15px;
  max-width: 78%;
}

.msg .name {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 3px;
  letter-spacing: 0.02em;
}

.msg .text {
  font-size: 0.96rem;
  line-height: 1.5;
}

.msg.conduttore .body {
  background: var(--gold-soft);
  border-color: var(--gold);
}

.msg.conduttore .name {
  color: var(--gold);
}

/* ---------- Status ---------- */
.status {
  min-height: 22px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.status.error {
  color: var(--red);
}

.typing span {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin: 0 2px;
  background: var(--gold);
  border-radius: 50%;
  animation: blink 1.2s infinite both;
}

.typing span:nth-child(2) {
  animation-delay: 0.2s;
}

.typing span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes blink {
  0%,
  80%,
  100% {
    opacity: 0.2;
  }
  40% {
    opacity: 1;
  }
}