/* ==========================================================================
   ai-sheet.css
   FAB AI + bottom sheet Gemini — editor tetap bisa di-scroll (pointer-events
   none di overlay, sama seperti image-sheet).
   ========================================================================== */

/* ---- FAB AI ------------------------------------------------------------- */

.ai-fab {
  position: fixed;
  right: var(--space-lg);
  bottom: calc(var(--editor-footer-space, var(--space-lg)) - 40px);
  z-index: var(--z-fab);
  height: 52px;
  width: 52px;
  min-width: 52px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  border: none;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, #7c5cfc 0%, #4a55c7 100%);
  color: #ffffff;
  box-shadow: 0 6px 18px rgba(124, 92, 252, 0.4);
  opacity: 0;
  transform: translateY(32px) scale(0.9);
  pointer-events: none;
  cursor: pointer;
  translate: 0 0;
  overflow: hidden;
  transition:
    translate var(--duration-base) var(--ease-standard),
    width 400ms var(--ease-standard),
    min-width 400ms var(--ease-standard),
    padding 400ms var(--ease-standard),
    gap 400ms var(--ease-standard);
}

.ai-fab:active {
  transform: scale(0.94);
}

/* Pill saat label terbuka */
.ai-fab.is-labeled {
  width: auto;
  min-width: 52px;
  padding: 0 14px 0 18px;
  gap: 10px;
  justify-content: flex-start;
}

.ai-fab__label {
  display: block;
  max-width: 0;
  opacity: 0;
  overflow: hidden;
  white-space: nowrap;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  line-height: 1;
  letter-spacing: 0.01em;
  pointer-events: none;
  transform: translateX(14px);
}

.ai-fab.is-labeled .ai-fab__label {
  animation: aiFabLabelIn 480ms cubic-bezier(0.34, 1.4, 0.64, 1) both;
}

.ai-fab.is-label-hiding .ai-fab__label {
  animation: aiFabLabelOut 320ms var(--ease-standard) both;
}

.ai-fab.is-label-hiding {
  width: 52px;
  min-width: 52px;
  padding: 0;
  gap: 0;
  justify-content: center;
  transition:
    width 320ms var(--ease-standard),
    min-width 320ms var(--ease-standard),
    padding 320ms var(--ease-standard),
    gap 320ms var(--ease-standard);
}

.ai-fab__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 22px;
  height: 22px;
}

body.is-block-selection-bar-open .ai-fab {
  translate: 0 calc(-1 * (var(--block-selection-bar-lift, 60px) + var(--space-md)));
}

body.is-block-select-mode .ai-fab {
  visibility: hidden;
  pointer-events: none;
}

.ai-fab.is-visible {
  animation: aiFabIn 520ms cubic-bezier(0.34, 1.45, 0.64, 1) both;
  pointer-events: auto;
}

.ai-fab.is-hiding {
  animation: aiFabOut 280ms var(--ease-standard) both;
  pointer-events: none;
}

body.is-ai-generating .ai-fab,
body.is-ai-typing .ai-fab {
  animation: aiFabPulse 1.4s ease-in-out infinite;
  pointer-events: none;
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Geser dari bawah (arah keyboard) + overshoot sedikit ke atas */
@keyframes aiFabIn {
  0%   { opacity: 0; transform: translateY(36px) scale(0.88); }
  55%  { opacity: 1; transform: translateY(-7px) scale(1.06); }
  75%  { transform: translateY(3px) scale(0.98); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes aiFabOut {
  0%   { opacity: 1; transform: translateY(0) scale(1); }
  100% { opacity: 0; transform: translateY(28px) scale(0.9); }
}

@keyframes aiFabLabelIn {
  0%   { max-width: 0; opacity: 0; transform: translateX(16px); }
  55%  { max-width: 152px; opacity: 1; transform: translateX(-4px); }
  75%  { max-width: 132px; transform: translateX(2px); }
  100% { max-width: 140px; opacity: 1; transform: translateX(0); }
}

@keyframes aiFabLabelOut {
  0%   { max-width: 140px; opacity: 1; transform: translateX(0); }
  100% { max-width: 0; opacity: 0; transform: translateX(12px); }
}

@keyframes aiFabPulse {
  0%, 100% {
    box-shadow: 0 6px 18px rgba(124, 92, 252, 0.4), 0 0 0 0 rgba(124, 92, 252, 0.45);
    transform: translateY(0) scale(1);
  }
  50% {
    box-shadow: 0 8px 24px rgba(124, 92, 252, 0.5), 0 0 0 10px rgba(124, 92, 252, 0);
    transform: translateY(0) scale(1.04);
  }
}

@media (min-width: 640px) {
  .ai-fab { right: var(--space-xl); }
}


/* ---- Bottom sheet AI ---------------------------------------------------- */

.ai-sheet-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-sheet, 1200);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  pointer-events: none;
  background: transparent;
}

.ai-sheet-overlay.is-open {
  background: transparent;
}

.ai-sheet.image-sheet,
.ai-sheet {
  pointer-events: auto;
  position: relative;
  width: 100%;
  max-width: 560px;
  max-height: min(78vh, 640px);
  min-height: 280px;
  margin: 0 auto;
  overflow-x: hidden;
  overflow-y: auto;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  border-radius: 20px 20px 0 0;
  padding: 10px var(--space-md) calc(var(--space-md) + env(safe-area-inset-bottom, 0px));
  
  transform: translateY(100%);
  transition: transform 280ms cubic-bezier(0.32, 0.72, 0, 1);
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
}

.ai-sheet::-webkit-scrollbar { width: 4px; }
.ai-sheet::-webkit-scrollbar-track { background: transparent; }
.ai-sheet::-webkit-scrollbar-thumb {
  background-color: var(--color-border);
  border-radius: var(--radius-full);
}

.ai-sheet-overlay.is-open .ai-sheet {
  transform: translateY(0);
}

/* Handle + brand */
.ai-sheet__head {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 12px;
  margin-bottom: var(--space-md);
}

.ai-sheet__handle {
  display: none;
}

.ai-sheet__brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ai-sheet__brand-icon {
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: #7c5cfc;
  color: #fff;
}

.ai-sheet__brand-text {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ai-sheet__brand-title {
  font-size: var(--text-base, 1rem);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  letter-spacing: -0.01em;
  line-height: 1.25;
}

.ai-sheet__brand-sub {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  line-height: 1.35;
}

/* Legacy title class (fallback) */
.ai-sheet__title {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.ai-sheet__section {
  margin-bottom: var(--space-md);
}

.ai-sheet__prompt-label {
  font-size: 11px;
  font-weight: var(--weight-semibold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

.ai-sheet__prompt {
  display: block;
  width: 100%;
  min-height: 120px;
  resize: vertical;
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: var(--color-surface, var(--color-bg));
  color: var(--color-text-primary);
  font: inherit;
  font-size: var(--text-sm);
  line-height: 1.5;
  outline: none;
  box-sizing: border-box;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.ai-sheet__prompt::placeholder {
  color: var(--color-text-secondary);
  opacity: 0.75;
}

.ai-sheet__prompt:focus {
  border-color: var(--color-accent, #4a55c7);
}

.ai-sheet__prompt:disabled {
  opacity: 0.65;
}

.ai-sheet__selection-preview {
  margin-bottom: var(--space-md);
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(124, 92, 252, 0.06);
  border: 1px solid rgba(124, 92, 252, 0.18);
}

.ai-sheet__selection-label {
  font-size: 11px;
  font-weight: var(--weight-semibold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #7c5cfc;
  margin-bottom: 6px;
}

.ai-sheet__selection-body {
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 5.5em;
  overflow: hidden;
}


.ai-sheet__mode-row {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  margin: -4px 0 var(--space-md);
}

.ai-sheet__mode-toggle {
  display: inline-flex;
  align-items: center;
  padding: 3px;
  border-radius: 999px;
  background: var(--color-surface-2, rgba(127, 127, 127, 0.12));
  border: 1px solid var(--color-border);
  gap: 2px;
}

.ai-sheet__mode-btn {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--color-text-secondary);
  font-size: 12px;
  font-weight: var(--weight-medium, 500);
  font-family: inherit;
  padding: 6px 12px;
  border-radius: 999px;
  cursor: pointer;
  line-height: 1.2;
  transition: background 0.15s ease, color 0.15s ease;
}

.ai-sheet__mode-btn.is-active {
  background: var(--color-surface, #fff);
  color: var(--color-text-primary);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
}

.ai-sheet__mode-btn:focus-visible {
  outline: 2px solid var(--color-accent, #7c5cfc);
  outline-offset: 1px;
}

.ai-sheet__status {
  font-size: 12px;
  margin-bottom: var(--space-sm);
  min-height: 1.2em;
}

.ai-sheet__status--info { color: var(--color-text-secondary); }
.ai-sheet__status--error { color: #e05252; }

.ai-sheet__inactive {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-lg) var(--space-md);
  min-height: 120px;
}

.ai-sheet__inactive-msg {
  margin: 0;
  max-width: 280px;
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-text-secondary);
}

.ai-sheet__actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: flex-end;
  align-items: center;
  margin-top: auto;
  padding-top: var(--space-sm);
  position: sticky;
  bottom: 0;
  background: var(--color-bg);
  padding-bottom: 2px;
}

.ai-sheet .image-sheet__btn,
.ai-sheet__generate-btn {
  appearance: none;
  border: none;
  border-radius: 999px;
  padding: 11px 20px;
  font: inherit;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  cursor: pointer;
  transition:
    opacity var(--duration-base) var(--ease-standard),
    transform 0.12s ease,
    box-shadow 0.15s ease;
}

.ai-sheet .image-sheet__btn--ghost {
  background: rgba(var(--shadow-color), 0.06);
  color: var(--color-text-secondary);
}

.ai-sheet .image-sheet__btn--ghost:hover {
  background: rgba(var(--shadow-color), 0.1);
  color: var(--color-text-primary);
}

.ai-sheet .image-sheet__btn--primary,
.ai-sheet__generate-btn {
  background: #7c5cfc;
  color: #fff;
}

.ai-sheet .image-sheet__btn--primary:hover,
.ai-sheet__generate-btn:hover {
}

.ai-sheet .image-sheet__btn:active,
.ai-sheet__generate-btn:active {
  transform: scale(0.97);
}

.ai-sheet .image-sheet__btn:disabled,
.ai-sheet__generate-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.ai-sheet__generate-btn.is-busy .ai-sheet__btn-label::after {
  content: "";
  display: inline-block;
  width: 0.9em;
  margin-left: 2px;
  animation: aiDots 1.2s steps(4, end) infinite;
}

@keyframes aiDots {
  0% { content: ""; }
  25% { content: "."; }
  50% { content: ".."; }
  75% { content: "..."; }
}

/* Generating state */
.ai-sheet__generating {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: var(--space-xl) var(--space-md);
  min-height: 160px;
  text-align: center;
}

.ai-sheet__generating[hidden] {
  display: none !important;
}

.ai-sheet.is-generating .ai-sheet__section,
.ai-sheet.is-generating .ai-sheet__selection-preview {
  display: none;
}

.ai-gen-orb {
  position: relative;
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
}

.ai-gen-orb__ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(124, 92, 252, 0.35);
  animation: aiOrbPulse 1.8s ease-out infinite;
}

.ai-gen-orb__ring:nth-child(2) {
  animation-delay: 0.55s;
}

.ai-gen-orb__core {
  position: relative;
  z-index: 1;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #7c5cfc;
  color: #fff;
}

.ai-gen-copy {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ai-gen-title {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
}

.ai-gen-sub {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}

.ai-gen-dots::after {
  content: "";
  animation: aiDots 1.2s steps(4, end) infinite;
}

@keyframes aiOrbPulse {
  0% { transform: scale(0.85); opacity: 0.9; }
  100% { transform: scale(1.35); opacity: 0; }
}

/* Saat keyboard / generating: sheet boleh lebih tinggi */
.ai-sheet.is-generating {
  min-height: 320px;
}