/* Brick slide-out — Hub / Keystone parity (Brain = vanilla) */

.brick-chat-peek-tab {
  position: fixed;
  right: 0;
  top: max(140px, 38vh);
  z-index: 45;
  width: 42px;
  height: 118px;
  padding: 0;
  margin: 0;
  border: 1px solid color-mix(in srgb, var(--primary) 28%, transparent);
  border-right: none;
  border-radius: 14px 0 0 14px;
  background: color-mix(in srgb, var(--surface-container-lowest) 96%, transparent);
  box-shadow: -6px 0 18px rgba(62, 74, 55, 0.12);
  cursor: pointer;
  transform: translateX(24px);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brick-chat-peek-tab:hover,
.brick-chat-peek-tab:focus-visible {
  transform: translateX(8px);
  box-shadow: -8px 0 22px rgba(62, 74, 55, 0.16);
  outline: none;
}

.brick-chat-peek-label {
  font-family: Manrope, ui-sans-serif, system-ui, sans-serif;
  font-weight: 700;
  font-size: 10px;
  letter-spacing: 0.18em;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  color: var(--primary);
  user-select: none;
}

.brick-hub-glass {
  background: color-mix(in srgb, var(--surface-container-lowest) 94%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.brick-auth-slot {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  margin-right: 8px;
  font-family: Manrope, ui-sans-serif, system-ui, sans-serif;
  font-size: 13px;
  color: var(--on-surface-variant);
}

.brick-auth-slot a {
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
}

.brick-auth-slot a:hover {
  text-decoration: underline;
}

.brick-modal-root {
  position: fixed;
  inset: 0;
  z-index: 70;
  background: rgba(0, 0, 0, 0.4);
  display: none;
  align-items: center;
  justify-content: flex-end;
  padding: 24px max(16px, env(safe-area-inset-right)) 24px max(20px, env(safe-area-inset-left));
}

.brick-modal-root.brick-open {
  display: flex;
}

.brick-modal-panel {
  width: min(440px, 100vw - 32px);
  max-height: min(720px, 92vh);
  border-radius: 20px;
  border: 1px solid color-mix(in srgb, var(--outline-variant) 70%, transparent);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 24px 48px rgba(62, 74, 55, 0.18);
}

.brick-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid color-mix(in srgb, var(--outline-variant) 50%, transparent);
}

.brick-modal-head h2 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  font-family: Manrope, sans-serif;
  color: var(--primary);
}

.brick-modal-messages {
  flex: 1;
  overflow-y: auto;
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-family: "Plus Jakarta Sans", ui-sans-serif, sans-serif;
  font-size: 14px;
  line-height: 1.45;
}

.brick-msg-user {
  align-self: flex-end;
  background: var(--primary-container);
  color: var(--on-primary-container);
  padding: 8px 12px;
  border-radius: 14px 14px 4px 14px;
  max-width: 92%;
}

.brick-msg-asst {
  align-self: flex-start;
  background: var(--surface-container-high);
  color: var(--on-surface);
  padding: 8px 12px;
  border-radius: 14px 14px 14px 4px;
  max-width: 92%;
  white-space: pre-wrap;
}

.brick-modal-foot {
  padding: 12px 16px 16px;
  border-top: 1px solid color-mix(in srgb, var(--outline-variant) 50%, transparent);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.brick-modal-foot input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--outline-variant);
  font: inherit;
}

.brick-prompts {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.brick-prompts button {
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid var(--outline-variant);
  background: var(--surface-container-low);
  cursor: pointer;
}

.brick-btn-ghost {
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 20px;
  line-height: 1;
  color: var(--on-surface-variant);
}