/* =========================================
   ROARKING HUB — ROAR IA
   ========================================= */

:root {
  --roar-bg: #121212;
  --roar-header: #181818;
  --roar-card: #1c1c1c;
  --roar-hover: #242424;
  --roar-orange: #ff6c00;
  --roar-orange-light: #ff9a45;
  --roar-border: #303030;
  --roar-text: #f2eee8;
  --roar-muted: #999;
}

/* Pulsante apertura */

.chat-open-button {
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  margin-top: 1.4rem;
  padding: .85rem 1.2rem;
  border: 1px solid rgba(255, 108, 0, .55);
  background: rgba(255, 108, 0, .08);
  color: var(--roar-orange-light);
  font: inherit;
  font-size: .75rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .25s, border-color .25s, color .25s;
}

.chat-open-button span {
  font-size: 1.1rem;
  transition: transform .25s;
}

.chat-open-button:hover {
  background: rgba(255, 108, 0, .18);
  border-color: var(--roar-orange);
  color: #fff;
}

.chat-open-button:hover span {
  transform: translateX(4px);
}

.chat-open-button:focus-visible,
.chat-close:focus-visible,
.chat-send:focus-visible,
.chat-form textarea:focus-visible {
  outline: 2px solid var(--roar-orange);
  outline-offset: 3px;
}

/* Finestra */

.chat-dialog {
  width: min(92vw, 720px);
  height: min(82dvh, 720px);
  max-width: none;
  max-height: none;
  margin: auto;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--roar-border);
  background: var(--roar-bg);
  color: var(--roar-text);
  box-shadow: 0 25px 100px rgba(0, 0, 0, .75);
}

.chat-dialog[open] {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto auto;
}

.chat-dialog::backdrop {
  background: rgba(0, 0, 0, .88);
  backdrop-filter: blur(6px);
}

/* Header */

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.3rem 1.5rem;
  border-bottom: 1px solid var(--roar-border);
  background: var(--roar-header);
}

.chat-eyebrow {
  color: var(--roar-orange);
  font-size: .58rem;
  letter-spacing: .2em;
}

.chat-header h2 {
  margin: .35rem 0 .2rem;
  font-family: inherit;
  font-size: 1.45rem;
  font-weight: 600;
}

.chat-header p {
  margin: 0;
  color: var(--roar-muted);
  font-size: .75rem;
}

.chat-close {
  flex: 0 0 42px;
  width: 42px;
  height: 42px;
  border: 1px solid var(--roar-border);
  background: var(--roar-card);
  color: #eee;
  font-size: 1.7rem;
  cursor: pointer;
  transition: background .2s, border-color .2s;
}

.chat-close:hover {
  background: #332419;
  border-color: var(--roar-orange);
}

/* Messaggi */

.chat-messages {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 1rem;
  min-height: 0;
  padding: 1.5rem;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.chat-welcome {
  align-self: center;
  max-width: 80%;
  margin: auto;
  color: var(--roar-muted);
  font-size: .85rem;
  line-height: 1.7;
  text-align: center;
}

.chat-message {
  max-width: 82%;
  padding: .85rem 1rem;
  border: 1px solid rgba(255, 255, 255, .07);
  font-size: .9rem;
  line-height: 1.65;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.chat-message--character {
  align-self: flex-start;
  background: var(--roar-card);
  color: var(--roar-text);
  border-left: 2px solid var(--roar-orange);
}

.chat-message--user {
  align-self: flex-end;
  background: #292019;
  color: #fff0e4;
  border-right: 2px solid var(--roar-orange);
}

.chat-message-name {
  display: block;
  margin-bottom: .35rem;
  color: var(--roar-orange-light);
  font-size: .58rem;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.chat-status {
  min-height: 1.5rem;
  padding: 0 1.5rem .5rem;
  color: var(--roar-orange-light);
  font-size: .72rem;
}

/* Input */

.chat-form {
  display: flex;
  align-items: flex-end;
  gap: .7rem;
  padding: 1rem 1.2rem;
  border-top: 1px solid var(--roar-border);
  background: var(--roar-header);
}

.chat-form textarea {
  flex: 1;
  min-width: 0;
  min-height: 44px;
  max-height: 120px;
  resize: vertical;
  padding: .8rem .9rem;
  border: 1px solid var(--roar-border);
  border-radius: 0;
  background: #111;
  color: var(--roar-text);
  font: inherit;
  font-size: .85rem;
  line-height: 1.5;
}

.chat-form textarea:focus {
  border-color: var(--roar-orange);
}

.chat-form textarea::placeholder {
  color: #777;
}

.chat-send {
  min-height: 44px;
  padding: 0 1rem;
  border: 1px solid var(--roar-orange);
  background: #c95400;
  color: #fff;
  font: inherit;
  font-size: .75rem;
  letter-spacing: .06em;
  cursor: pointer;
  transition: background .2s, opacity .2s;
}

.chat-send:hover:not(:disabled) {
  background: var(--roar-orange);
}

.chat-send:disabled {
  opacity: .45;
  cursor: not-allowed;
}

/* Accessibilità */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Mobile */

@media (max-width: 620px) {

  .chat-dialog {
    position: fixed;
    top: calc(var(--keyboard-top, 0px) + env(safe-area-inset-top, 0px));
    left: 0;
    width: 100%;
    height: calc(
      var(--keyboard-height, 100dvh)
      - env(safe-area-inset-top, 0px)
      - env(safe-area-inset-bottom, 0px)
    );
    max-width: none;
    max-height: none;
    margin: 0;
    padding: 0;
    border: 0;
  }

  .chat-dialog[open] {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto auto;
  }

  .chat-header {
    padding: .55rem .85rem;
    min-height: 52px;
    gap: .6rem;
  }

  .chat-eyebrow,
  .chat-header p {
    display: none;
  }

  .chat-header h2 {
    margin: 0;
    font-size: 1.05rem;
    font-weight: 600;
  }

  .chat-close {
    flex: 0 0 34px;
    width: 34px;
    height: 34px;
    font-size: 1.3rem;
  }

  .chat-messages {
    min-height: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    padding: 1rem;
  }

  .chat-message {
    max-width: 92%;
    padding: .7rem .8rem;
    font-size: .84rem;
    line-height: 1.5;
  }

  .chat-status {
    min-height: 1.2rem;
    padding: 0 .85rem .3rem;
    font-size: .68rem;
  }

  .chat-form {
    gap: .45rem;
    padding: .55rem;
    padding-bottom: max(.55rem, env(safe-area-inset-bottom));
  }

  .chat-form textarea {
    min-height: 42px;
    max-height: 90px;
    padding: .65rem;
    font-size: .85rem;
    resize: none;
  }

  .chat-send {
    min-height: 42px;
    padding-inline: .75rem;
  }
}

/* Animazioni */

@media (prefers-reduced-motion: reduce) {
  .chat-open-button,
  .chat-open-button span,
  .chat-close,
  .chat-send {
    transition: none;
  }
}