/* ==========================================================================
   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);
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  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: scale(0);
  pointer-events: none;
  cursor: pointer;
  translate: 0 0;
  transition: translate var(--duration-base) var(--ease-standard);
}

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

body:has(.outline-fab.is-visible) .ai-fab {
  translate: 0 calc(-1 * (52px + var(--space-sm)));
}

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

body.is-block-selection-bar-open:has(.outline-fab.is-visible) .ai-fab {
  translate: 0 calc(-1 * (var(--block-selection-bar-lift, 60px) + var(--space-md) + 52px + var(--space-sm)));
}

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

.ai-fab.is-visible {
  animation: aiFabIn 420ms var(--ease-bounce) 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: scale(1);
}

@keyframes aiFabIn {
  0%   { opacity: 0; transform: scale(0) translateY(16px); }
  55%  { opacity: 1; transform: scale(1.14) translateY(-3px); }
  80%  { transform: scale(0.94) translateY(1px); }
  100% { opacity: 1; transform: scale(1) translateY(0); }
}

@keyframes aiFabOut {
  0%   { opacity: 1; transform: scale(1) translateY(0); }
  100% { opacity: 0; transform: scale(0) translateY(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: scale(1);
  }
  50% {
    box-shadow: 0 8px 24px rgba(124, 92, 252, 0.55), 0 0 0 12px rgba(124, 92, 252, 0);
    transform: scale(1.06);
  }
}

/* ---- Bottom sheet (scroll editor tetap jalan) -------------------------- */

.ai-sheet-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: transparent;
  /* Sama image-sheet: overlay TIDAK tangkap scroll/klik di luar sheet */
  pointer-events: none;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.ai-sheet {
  pointer-events: auto;
  width: 100%;
  max-width: 480px;
  max-height: 42vh;
  overflow-y: auto;
  background-color: var(--color-bg);
  border-top: 1px solid var(--color-border);
  border-radius: 0;
  padding: var(--space-sm) var(--space-md) calc(var(--space-sm) + env(safe-area-inset-bottom, 0px));
  box-shadow: 0 -2px 10px rgba(var(--shadow-color), 0.08);
  transform: translateY(100%);
  transition: transform var(--duration-base) var(--ease-standard);
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
}

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

.ai-sheet__title {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
  padding-top: 2px;
}

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

.ai-sheet__prompt {
  display: block;
  width: 100%;
  min-height: 72px;
  resize: vertical;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-bg);
  color: var(--color-text-primary);
  font: inherit;
  font-size: var(--text-sm);
  line-height: 1.45;
  outline: none;
  box-sizing: border-box;
}

.ai-sheet__prompt:focus {
  border-color: var(--color-accent, #4a55c7);
  box-shadow: 0 0 0 3px rgba(74, 85, 199, 0.18);
}

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

.ai-sheet__selection-preview {
  margin-bottom: var(--space-sm);
  padding: 8px 10px;
  border-radius: 10px;
  background: rgba(var(--shadow-color), 0.06);
  border: 1px solid var(--color-border);
}

.ai-sheet__selection-label {
  font-size: 11px;
  font-weight: var(--weight-semibold);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: 4px;
}

.ai-sheet__selection-body {
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  line-height: 1.4;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 4.5em;
  overflow: hidden;
}

.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__actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: flex-end;
  align-items: center;
  margin-top: 4px;
}

.ai-sheet .image-sheet__btn,
.ai-sheet__generate-btn {
  appearance: none;
  border: none;
  border-radius: 999px;
  padding: 8px 16px;
  font: inherit;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  cursor: pointer;
  transition: opacity var(--duration-base) var(--ease-standard);
}

.ai-sheet .image-sheet__btn--ghost {
  background: transparent;
  color: var(--color-text-secondary);
}

.ai-sheet .image-sheet__btn--primary,
.ai-sheet__generate-btn {
  background: linear-gradient(135deg, #7c5cfc 0%, #4a55c7 100%);
  color: #fff;
}

.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;
  height: 0.9em;
  margin-left: 8px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  vertical-align: -0.15em;
  animation: aiSpin 0.7s linear infinite;
}

@keyframes aiSpin {
  to { transform: rotate(360deg); }
}

/* ---- Generating (orb only, no skeleton) -------------------------------- */

.ai-sheet__generating {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 10px 4px 6px;
  margin-bottom: var(--space-sm);
  animation: aiGenFadeIn 280ms var(--ease-standard) both;
}

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

@keyframes aiGenFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.ai-gen-orb {
  position: relative;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ai-gen-orb__core {
  position: relative;
  z-index: 2;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #7c5cfc 0%, #4a55c7 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(124, 92, 252, 0.45);
  animation: aiOrbBob 1.6s ease-in-out infinite;
}

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

.ai-gen-orb__ring:nth-child(2) {
  animation-delay: 0.6s;
}

@keyframes aiOrbBob {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-3px) scale(1.05); }
}

@keyframes aiOrbRing {
  0%   { transform: scale(0.7); opacity: 0.7; }
  100% { transform: scale(1.35); opacity: 0; }
}

.ai-gen-copy {
  text-align: center;
}

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

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

@keyframes aiDots {
  0%   { content: ""; }
  25%  { content: "."; }
  50%  { content: ".."; }
  75%  { content: "..."; }
  100% { content: ""; }
}

.ai-gen-sub {
  margin-top: 2px;
  font-size: 12px;
  color: var(--color-text-secondary);
}