:host {
  display: block;
  height: 100dvh;
}

.shell {
  display: grid;
  grid-template-columns: 260px 1fr;
  height: 100%;
  min-height: 0;
}

.sidebar {
  min-height: 0;
}

.chat {
  display: flex;
  flex-direction: column;
  min-height: 0;
  min-width: 0;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1.5rem;
  border-bottom: 1px solid var(--fiko-line);
  background: color-mix(in srgb, var(--fiko-panel) 70%, transparent);
  backdrop-filter: blur(8px);
}

.title {
  min-width: 0;
}

h1 {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sub {
  font-size: 0.68rem;
  color: var(--fiko-muted);
  font-family: ui-monospace, "Cascadia Code", monospace;
}

.error {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin: 0.75rem 1.5rem 0;
  padding: 0.6rem 0.85rem;
  border-radius: 10px;
  border: 1px solid var(--fiko-danger-line);
  background: var(--fiko-danger-soft);
  font-size: 0.85rem;
}

.error strong {
  color: var(--fiko-danger);
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.error button {
  margin-left: auto;
  border: 0;
  background: none;
  color: var(--fiko-muted);
  font: inherit;
  font-size: 0.75rem;
  cursor: pointer;
  text-decoration: underline;
}

.stream {
  flex: 1;
  min-height: 0;
}

.input {
  padding: 0.85rem 1.5rem 1.1rem;
  border-top: 1px solid var(--fiko-line);
  background: var(--fiko-panel);
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Masaüstünde Ayarlar sidebar'dadır; dar ekranda sidebar gizlendiği için burada gösterilir. */
/* Bildirim zili: mobilde gizlenen ayar düğmesinden FARKLI olarak her ekranda
   görünür — okunmamış bildirim/soru olması mobilde de erişilir olmalı. */
.bell {
  position: relative;
  border: 1px solid var(--fiko-line);
  background: none;
  color: var(--fiko-muted);
  padding: 0.35rem 0.5rem;
  border-radius: 9px;
  cursor: pointer;
  line-height: 0;
}

.bell svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.bell:hover {
  color: var(--fiko-accent);
  border-color: var(--fiko-accent-line);
}

.bell .count {
  position: absolute;
  top: -0.4rem;
  right: -0.4rem;
  min-width: 1.05rem;
  padding: 0 0.28rem;
  border-radius: 999px;
  background: #e06c75;
  color: #fff;
  font-size: 0.6rem;
  font-weight: 600;
  line-height: 1.05rem;
  text-align: center;
}

.gear {
  display: none;
  border: 1px solid var(--fiko-line);
  background: none;
  color: var(--fiko-muted);
  font-size: 1.05rem;
  line-height: 1;
  padding: 0.35rem 0.55rem;
  border-radius: 9px;
  cursor: pointer;
}

.gear:hover {
  color: var(--fiko-accent);
  border-color: var(--fiko-accent-line);
}

.menu {
  display: none;
  border: 1px solid var(--fiko-line);
  background: none;
  color: var(--fiko-text);
  font-size: 1.05rem;
  line-height: 1;
  padding: 0.35rem 0.6rem;
  border-radius: 9px;
  cursor: pointer;
}

.menu:hover {
  border-color: var(--fiko-accent-line);
  color: var(--fiko-accent);
}

.backdrop {
  display: none;
}

@media (max-width: 720px) {
  .shell {
    grid-template-columns: 1fr;
  }

  /* Sidebar: soldan kayan çekmece */
  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: min(300px, 86vw);
    z-index: 30;
    transform: translateX(-100%);
    transition: transform 180ms ease;
    box-shadow: none;
  }

  .shell.drawer .sidebar {
    transform: none;
    box-shadow: 8px 0 32px rgba(0, 0, 0, 0.55);
  }

  .backdrop {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 20;
    background: rgba(0, 0, 0, 0.55);
  }

  .menu {
    display: block;
  }

  .topbar {
    padding: 0.6rem 0.85rem;
    gap: 0.6rem;
  }

  .title {
    flex: 1;
  }

  .sub {
    display: none;
  }

  .stream {
    min-width: 0;
  }

  .input {
    padding: 0.6rem 0.75rem 0.8rem;
  }

  .gear {
    display: block;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sidebar {
    transition: none;
  }
}