.prompt-input-container {
  @apply flex flex-col border-t;
  border-color: var(--border-base);
  background-color: var(--surface-base);
}

.prompt-input-wrapper {
  @apply grid items-stretch;
  grid-template-columns: minmax(0, 1fr) 64px;
  gap: 0;
  padding: 0;
}

.prompt-input-actions {
  @apply flex flex-col items-center;
  align-self: stretch;
  height: 100%;
  padding: 0.5rem 0.25rem;
  gap: 0.5rem;
}

.prompt-input-field-container {
  position: relative;
  width: 100%;
  min-height: 56px;
  flex: 1 1 auto;
  height: 100%;
  min-width: 0;
}

.prompt-input-field {
  position: relative;
  width: 100%;
  height: 100%;
}

.prompt-input {
  @apply w-full pt-2.5 border text-sm resize-none outline-none transition-colors;
  padding-inline-start: 0.75rem;
  padding-inline-end: 7.5rem;
  font-family: inherit;
  background-color: var(--surface-base);
  color: var(--text-primary);
  caret-color: var(--text-primary);
  border-color: var(--border-base);
  line-height: var(--line-height-normal);
  border-radius: 0;
  padding-bottom: 0;
  height: 100%;
  min-height: 100%;
}

.prompt-input-field-container.is-expanded {
  height: auto;
}

.prompt-input-field.is-expanded {
  height: auto;
}

.prompt-input.is-expanded {
  height: auto;
  min-height: 0;
  overflow-y: auto;
}

.prompt-input-overlay {
  position: absolute;
  bottom: 1rem;
  inset-inline-start: 0.75rem;
  inset-inline-end: 0.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.75rem;
  line-height: 1.3;
  color: var(--text-muted);
  pointer-events: none;
  z-index: 1;
}

.prompt-input-overlay.shell-mode {
  color: var(--text-primary);
}

/* Navigation buttons container (expand, prev, next). */
.prompt-nav-buttons {
  position: absolute;
  top: 0.25rem;
  inset-inline-end: 0.25rem;
  bottom: 0.25rem;
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  justify-content: flex-end;
  gap: 0.125rem;
  z-index: 2;
}

.prompt-nav-column {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: flex-start;
  gap: 0.125rem;
}

.prompt-nav-column-left {
  min-width: 1.75rem;
}

.prompt-nav-column-right {
  min-width: 1.75rem;
}

.prompt-expand-button,
.prompt-history-button,
.prompt-clear-button {
  @apply w-7 h-7 flex items-center justify-center rounded-md;
  color: var(--text-muted);
  background-color: var(--control-ghost-bg);
  transition: background-color 0.15s ease, color 0.15s ease;
  padding: 0;
  flex-shrink: 0;
}

.prompt-expand-button:hover:not(:disabled),
.prompt-history-button:hover:not(:disabled),
.prompt-clear-button:hover:not(:disabled) {
  background-color: var(--surface-secondary);
  color: var(--text-primary);
}

.prompt-expand-button:active:not(:disabled) {
  background-color: var(--accent-primary);
  color: var(--text-inverted);
  transform: scale(0.95);
}

.prompt-expand-button:disabled,
.prompt-history-button:disabled,
.prompt-clear-button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.prompt-overlay-text {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.prompt-overlay-warning {
  color: var(--status-warning);
  font-weight: 500;
}

.prompt-overlay-shell-active {
  color: var(--status-success);
  font-weight: 600;
}

.prompt-overlay-muted {
  color: var(--text-muted);
}

.prompt-input.shell-mode {
  border-color: var(--status-success);
  box-shadow: inset 0 0 0 1px var(--status-success-ring);
}

.prompt-input:focus {
  border-color: var(--accent-primary);
}

.prompt-input.shell-mode:focus {
  border-color: var(--status-success);
  box-shadow: inset 0 0 0 1px var(--status-success-ring);
}

.prompt-input:disabled {
  @apply opacity-60 cursor-not-allowed;
}

/* In RTL: override dir="auto" which defaults to LTR on empty textarea */
[dir="rtl"] .prompt-input {
  direction: rtl;
}

.prompt-input::placeholder {
  color: var(--text-muted);
}

.stop-button {
  @apply w-10 h-10 rounded-md border-none cursor-pointer flex items-center justify-center transition-all flex-shrink-0;
  background-color: var(--button-danger-bg, rgba(239, 68, 68, 0.85));
  color: var(--button-danger-text, var(--text-inverted, #ffffff));
}

.prompt-voice-button {
  @apply h-10 rounded-md border-none cursor-pointer flex items-center justify-center transition-all flex-shrink-0;
  min-width: 2.5rem;
  background-color: color-mix(in oklab, var(--surface-secondary) 82%, var(--surface-base));
  color: var(--text-secondary);
}

.prompt-voice-button:hover:not(:disabled) {
  color: var(--text-primary);
  background-color: color-mix(in oklab, var(--accent-primary) 12%, var(--surface-secondary));
  @apply scale-105;
}

.prompt-voice-button:active:not(:disabled) {
  @apply scale-95;
}

.prompt-voice-button.is-recording {
  min-width: 3.5rem;
  background-color: color-mix(in oklab, var(--button-danger-bg, rgba(239, 68, 68, 0.85)) 88%, white 12%);
  color: var(--button-danger-text, var(--text-inverted, #ffffff));
}

.prompt-nav-voice-button {
  min-width: 1.75rem;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 0.375rem;
}

.prompt-nav-voice-button.is-recording {
  min-width: 3.5rem;
  width: auto;
}

.prompt-voice-button:disabled {
  @apply opacity-50 cursor-not-allowed;
}

.prompt-conversation-button.is-active {
  background-color: color-mix(in oklab, var(--accent-primary) 76%, var(--surface-secondary));
  color: var(--text-inverted);
}

.prompt-conversation-button.is-active:hover:not(:disabled) {
  background-color: color-mix(in oklab, var(--accent-primary) 88%, var(--surface-secondary));
  color: var(--text-inverted);
}

.prompt-voice-timer {
  font-size: 0.68rem;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  line-height: 1;
  color: currentColor;
}

.stop-button:hover:not(:disabled) {
  background-color: var(--button-danger-hover-bg, rgba(239, 68, 68, 0.9));
  @apply opacity-95 scale-105;
}

.stop-button:active:not(:disabled) {
  background-color: var(--button-danger-active-bg, rgba(239, 68, 68, 1));
  @apply scale-95;
}

.stop-button:disabled {
  @apply opacity-60 cursor-not-allowed;
}

.stop-icon {
  width: 1rem;
  height: 1rem;
}

.send-button {
  @apply w-10 h-10 rounded-md border-none cursor-pointer flex items-center justify-center transition-all flex-shrink-0;
  background-color: var(--accent-primary);
  color: var(--text-inverted);
  margin-top: auto;
}

.send-button.shell-mode {
  background-color: var(--status-success);
}

.send-button.shell-mode:hover:not(:disabled) {
  filter: brightness(1.05);
}

.send-button.shell-mode:active:not(:disabled) {
  filter: brightness(0.95);
}

.send-button:hover:not(:disabled) {
  @apply opacity-90 scale-105;
}

.send-button:active:not(:disabled) {
  @apply scale-95;
}

.send-button:disabled {
  @apply opacity-40 cursor-not-allowed;
}

.send-icon {
  @apply text-base;
}

.shell-icon {
  width: 1rem;
  height: 1rem;
}

.hint {
  @apply text-xs;
  color: var(--text-muted);
}

.hint kbd {
  @apply inline-block px-1.5 py-0.5 text-xs font-mono rounded mx-0.5;
  background-color: var(--surface-secondary);
  border: 1px solid var(--border-base);
  border-radius: 3px;
}

.attachment-chip {
  @apply px-2.5 py-1 text-xs font-medium ring-1 ring-inset;
  background-color: var(--attachment-chip-bg);
  color: var(--attachment-chip-text);
  ring-color: var(--attachment-chip-ring);
}

.attachment-chip-image {
  position: relative;
}

.attachment-chip-preview {
  display: none;
  position: absolute;
  bottom: calc(100% + 6px);
  inset-inline-start: 0;
  padding: 8px;
  background-color: var(--surface-base);
  border: 1px solid var(--border-base);
  border-radius: 10px;
  box-shadow: var(--popover-shadow);
  z-index: 20;
}

.attachment-chip-preview img {
  display: block;
  max-width: 320px;
  max-height: 320px;
  border-radius: 8px;
  object-fit: contain;
}

.attachment-chip-image:hover .attachment-chip-preview {
  display: block;
}

.attachment-remove,
.attachment-download,
.attachment-expand {
  @apply ml-0.5 flex h-4 w-4 items-center justify-center rounded transition-colors;
}

.attachment-remove:hover,
.attachment-download:hover,
.attachment-expand:hover {
  background-color: var(--attachment-chip-ring);
}

@media (pointer: coarse) {
  .prompt-input-overlay {
    display: none;
  }

  .prompt-input {
    /* Prevent iOS Safari input zoom + keep input compact. */
    font-size: 16px;
    padding-bottom: 0.75rem;
  }
}

@media (max-width: 1279px) {
  :root {
    --prompt-input-compact-height: 104px;
  }

  .prompt-input-wrapper {
    min-height: var(--prompt-input-compact-height);
  }

  .prompt-input-field-container {
    min-height: var(--prompt-input-compact-height);
    height: var(--prompt-input-compact-height);
  }

  .prompt-input-field {
    height: var(--prompt-input-compact-height);
  }

  .prompt-input-field-container.is-expanded,
  .prompt-input-field.is-expanded {
    height: auto;
  }
}

@media (max-width: 720px) {
  .prompt-input-wrapper {
    grid-template-columns: minmax(0, 1fr) 40px;
  }
}

@media (max-width: 640px) {
  .prompt-input {
    min-height: 0;
    padding: 0.5rem 0.75rem;
    padding-inline-end: 7.5rem;
    padding-bottom: 0.75rem;
  }

  .prompt-input-wrapper {
    gap: 0;
    padding: 0;
  }
}