/* SEARCH & SORT */
.zt-library-scroll {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
  padding-bottom: 8px;
}

.zt-library-intro {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.zt-library-intro.is-hidden {
  display: none;
}

.zt-library-intro.has-banner:not(.has-hero) {
  padding-top: 8px;
}

#zt-panel.fullscreen .zt-library-intro {
  padding: 8px 24px 0;
}

#zt-panel.fullscreen .zt-library-intro.has-banner:not(.has-hero) {
  padding-top: 12px;
}

#zt-panel.fullscreen .zt-library-intro.has-hero.has-banner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  align-items: stretch;
  gap: 16px;
}

.zt-hero {
  padding: 12px 24px 4px;
  display: flex;
  justify-content: center;
}

.zt-hero-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(180px, 200px);
  grid-template-areas: "copy preview";
  gap: 12px;
  padding: 12px 16px;
  border-radius: 20px;
  color: #f8fafc;
  align-items: center;
  width: 100%;
  background:
    linear-gradient(135deg, rgba(15, 156, 168, 0.28), transparent 46%),
    linear-gradient(145deg, #172033 0%, #102a3a 58%, #2b2118 100%);
  border: 1px solid rgba(245, 158, 11, 0.22);
  box-shadow: 0 26px 48px rgba(45, 35, 25, 0.34);
  overflow: hidden;
  animation: zoomIn 0.45s ease;
}

.zt-hero-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.12), transparent 60%);
  opacity: 0.9;
  pointer-events: none;
}

.zt-hero-dismiss {
  position: absolute;
  top: 6px;
  right: 6px;
  left: auto;
  bottom: auto;
  width: 28px;
  height: 28px;
  border-radius: 10px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: rgba(15, 23, 42, 0.55);
  color: #f8fafc;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 3;
  align-self: flex-start;
  justify-self: end;
  transition: background 0.2s ease, border 0.2s ease, color 0.2s ease;
}

.zt-hero-dismiss:hover {
  background: rgba(15, 23, 42, 0.8);
  border-color: rgba(148, 163, 184, 0.6);
  color: #ffffff;
}

.zt-hero-card > *:not(.zt-hero-dismiss) {
  position: relative;
  z-index: 1;
}

.zt-hero-copy,
.zt-hero-preview {
  min-width: 0;
}

.zt-hero-copy {
  grid-area: copy;
}

.zt-hero-preview {
  grid-area: preview;
}

.zt-hero-copy {
  max-width: 520px;
}

.zt-hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: #fffbeb;
  background: rgba(245, 158, 11, 0.22);
  border-radius: 999px;
  padding: 4px 8px;
  width: fit-content;
}

.zt-hero-kicker::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: #fbbf24;
  display: inline-block;
}

.zt-hero-title {
  font-size: 19px;
  font-weight: 700;
  line-height: 1.15;
  margin: 8px 0 6px;
}

.zt-hero-subtitle {
  font-size: 12px;
  line-height: 1.5;
  color: #dbe7ee;
  margin-bottom: 8px;
}

.zt-hero-btn {
  border: none;
  border-radius: 12px;
  padding: 8px 12px;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.12s ease, box-shadow 0.2s ease;
}

.zt-hero-primary {
  background: var(--zt-gradient);
  color: #ffffff;
  box-shadow: 0 14px 26px rgba(15, 156, 168, 0.24);
}

.zt-hero-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 32px rgba(15, 156, 168, 0.28);
}

.zt-hero-primary:active {
  transform: translateY(1px) scale(0.98);
}

.zt-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}

.zt-hero-tag {
  font-size: 9px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding: 3px 7px;
  border-radius: 999px;
  background: rgba(255, 250, 241, 0.14);
  border: 1px solid rgba(245, 158, 11, 0.25);
  color: #fef3c7;
}

.zt-hero-preview {
  position: relative;
  min-height: 132px;
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: center;
}

.zt-hero-preview-card {
  position: absolute;
  width: 150px;
  height: 106px;
  border-radius: 14px;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  border: 1px solid rgba(15, 23, 42, 0.1);
  box-shadow: 0 16px 28px rgba(45, 35, 25, 0.16);
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  left: 50%;
}

.zt-hero-preview-card.card-back {
  top: 24px;
  transform: translate(-50%, 0) translateX(-10px) rotate(-6deg);
  opacity: 0.7;
}

.zt-hero-preview-card.card-mid {
  top: 14px;
  transform: translate(-50%, 0) translateX(12px) rotate(4deg);
  opacity: 0.85;
}

.zt-hero-preview-card.card-front {
  top: 4px;
  transform: translate(-50%, 0) translateX(2px);
}

.zt-hero-preview-bar {
  height: 8px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.12);
}

.zt-hero-preview-bar.accent {
  background: var(--zt-gradient);
}

.zt-hero-preview-line {
  height: 6px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.12);
}

.zt-hero-preview-line.short {
  width: 70%;
}

.zt-hero-preview-chip {
  width: 40%;
  height: 10px;
  border-radius: 999px;
  background: rgba(14, 165, 233, 0.18);
}

.zt-hero-preview-button {
  width: 60%;
  height: 10px;
  border-radius: 999px;
  background: #0f172a;
  margin-top: 4px;
}

@media (max-width: 460px) {
  .zt-hero-card {
    grid-template-columns: 1fr;
    grid-template-areas: "copy" "preview";
  }

  .zt-hero-preview {
    max-width: 240px;
    min-height: 140px;
    align-self: center;
  }
}

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

.zt-search-container { padding: 20px 24px; z-index: 5; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.zt-search { width: 100%; padding: 11px 14px; border-radius: 12px; border: 1px solid rgba(15, 23, 42, 0.08); background: var(--zt-surface-strong); outline: none; font-size: 14px; transition: all 0.2s; flex: 1; color: var(--zt-text); }
.zt-search::placeholder { color: #94a3b8; }
.zt-search:focus { box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15); border-color: var(--zt-primary); }
.zt-usage-cta {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 6px 10px;
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: #ffffff;
  box-shadow: 0 8px 16px rgba(15, 23, 42, 0.06);
  font-size: 12px;
  color: #475569;
}
.zt-usage-cta__copy { display: flex; flex-direction: column; line-height: 1.2; }
.zt-usage-cta__title { font-size: 10px; text-transform: uppercase; letter-spacing: 0.4px; color: #64748b; font-weight: 700; }
.zt-usage-cta__count { font-size: 12px; font-weight: 700; color: #0f172a; }
.zt-usage-cta__bar {
  width: 72px;
  height: 6px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.08);
  overflow: hidden;
}
.zt-usage-cta__bar span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--zt-gradient);
}
.zt-usage-cta__btn {
  border: none;
  background: var(--zt-gradient);
  color: #ffffff;
  font-size: 11px;
  font-weight: 700;
  padding: 6px 10px;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: 0 10px 18px rgba(14, 165, 233, 0.25);
  transition: transform 0.15s ease, box-shadow 0.2s ease, filter 0.2s ease;
}
.zt-usage-cta__btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 22px rgba(14, 165, 233, 0.3);
  filter: brightness(1.05);
}
.zt-usage-cta.is-limit {
  border-color: rgba(239, 68, 68, 0.35);
  background: rgba(254, 242, 242, 0.8);
}
.zt-usage-cta.is-limit .zt-usage-cta__bar span {
  background: linear-gradient(90deg, #f97316, #ef4444);
}

@media (max-width: 720px) {
  .zt-usage-cta__bar { display: none; }
}

.zt-billing-banner {
  display: none;
  margin: 0;
  width: 100%;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(15, 23, 42, 0.1);
  background:
    radial-gradient(140% 120% at 0% 0%, rgba(14, 165, 233, 0.16), transparent 58%),
    radial-gradient(140% 120% at 100% 0%, rgba(34, 197, 94, 0.14), transparent 55%),
    linear-gradient(135deg, #ffffff 0%, #eef2f8 70%, #f8fafc 100%);
  box-shadow: 0 16px 30px rgba(15, 23, 42, 0.12);
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  position: relative;
  overflow: hidden;
}
.zt-billing-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.7), transparent 55%);
  opacity: 0.6;
  pointer-events: none;
}
.zt-billing-banner > * {
  position: relative;
  z-index: 1;
}
.zt-billing-banner.show { display: flex; }
.zt-library-intro.has-banner .zt-billing-banner {
  margin-bottom: 0;
}

#zt-panel.fullscreen .zt-hero {
  padding: 12px 0 4px;
}

#zt-panel.fullscreen .zt-hero-card {
  max-width: none;
}

#zt-panel.fullscreen .zt-billing-banner {
  width: 100%;
  max-width: none;
  margin: 0;
}
.zt-billing-banner__title { font-size: 14px; font-weight: 700; color: #0f172a; margin-bottom: 2px; }
.zt-billing-banner__sub { font-size: 12px; color: #5b6477; line-height: 1.5; }
.zt-billing-banner__copy { display: flex; flex-direction: column; gap: 4px; }
.zt-billing-banner__benefits {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px 12px;
  margin-top: 8px;
  font-size: 12px;
  color: #5b6477;
}
.zt-billing-banner__benefit { display: flex; align-items: flex-start; gap: 8px; }
.zt-billing-banner__dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--zt-gradient);
  margin-top: 6px;
  flex: none;
}
.zt-billing-banner__actions { display: flex; gap: 8px; align-items: center; flex-shrink: 0; }

.zt-library-intro.has-hero.has-banner .zt-billing-banner {
  flex-direction: column;
  align-items: stretch;
  justify-content: space-between;
  min-height: 100%;
  padding: 16px 18px;
}

.zt-library-intro.has-hero.has-banner .zt-billing-banner__actions {
  margin-top: auto;
  width: 100%;
  justify-content: flex-start;
}

.zt-library-intro.has-hero.has-banner .zt-billing-banner__title { font-size: 16px; }
.zt-library-intro.has-hero.has-banner .zt-billing-banner__sub { font-size: 13px; }

.zt-billing-dismiss {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  border: 1px solid rgba(15, 23, 42, 0.14);
  background: rgba(255, 255, 255, 0.8);
  color: #0f172a;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 3;
  transition: background 0.2s ease, border 0.2s ease, transform 0.15s ease;
}

.zt-billing-dismiss:hover {
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(15, 23, 42, 0.2);
  transform: translateY(-1px);
}

.zt-billing-dismiss svg {
  width: 14px;
  height: 14px;
}
.zt-banner-cta {
  background: var(--zt-gradient);
  color: #ffffff;
  border: none;
  border-radius: 999px;
  padding: 9px 14px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 12px 20px rgba(14, 165, 233, 0.26);
  transition: transform 0.15s ease, box-shadow 0.2s ease, filter 0.2s ease;
}
.zt-banner-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 26px rgba(14, 165, 233, 0.32);
  filter: brightness(1.05);
}
.zt-banner-link {
  background: none;
  border: none;
  color: #0f172a;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: 999px;
  transition: background 0.2s ease, color 0.2s ease;
}
.zt-banner-link:hover {
  background: rgba(15, 23, 42, 0.08);
  color: #0f172a;
}
/* Sort Dropdown */
.zt-select { appearance: none; -webkit-appearance: none; background: var(--zt-surface-strong); border: 1px solid rgba(15, 23, 42, 0.08); padding: 0 34px 0 14px; height: 40px; border-radius: 12px; font-size: 12px; font-weight: 700; color: #475569; cursor: pointer; outline: none; transition: border 0.2s, box-shadow 0.2s; text-transform: uppercase; letter-spacing: 0.4px; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 10px center; min-width: 140px; }
.zt-select:focus { border-color: var(--zt-primary); box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.12); }
.zt-select:hover { background-color: #f8fafc; border-color: rgba(15, 23, 42, 0.14); }
.zt-view-toggle { display: inline-flex; gap: 6px; background: rgba(15, 23, 42, 0.04); padding: 4px; border-radius: 12px; border: 1px solid rgba(15, 23, 42, 0.08); }
.zt-view-btn { width: 32px; height: 32px; border-radius: 8px; border: none; background: transparent; color: #64748b; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all 0.15s; }
.zt-view-btn svg { width: 16px; height: 16px; }
.zt-view-btn:hover { background: rgba(14, 165, 233, 0.12); color: var(--zt-primary); }
.zt-view-btn.active { background: #0f172a; color: white; }

/* LIST VIEW */
.zt-list { padding: 0 24px 24px 24px; z-index: 1; }
.zt-item { position: relative; background: var(--zt-surface-strong); border-radius: 16px; padding: 16px; margin-bottom: 12px; cursor: pointer; border: 1px solid rgba(15, 23, 42, 0.06); box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04); transition: transform 0.2s, border 0.2s, box-shadow 0.2s; }
.zt-item.animate { animation: slideUpFade 0.3s ease backwards; }
.zt-item:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(15, 23, 42, 0.12); border-color: rgba(14, 165, 233, 0.25); }
.zt-item-title { font-weight: 700; font-size: 15px; color: var(--zt-text); margin-bottom: 6px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; row-gap: 4px; }
.zt-item-preview {
  border: 1px solid rgba(15, 23, 42, 0.08);
  padding: 10px 12px;
  border-radius: 12px;
  margin-top: 8px;
  background-color: #f8fafc;
  display: flex;
  gap: 12px;
  align-items: center;
  white-space: normal;
  word-break: break-word;
}
.zt-preview-frame {
  position: relative;
  width: 120px;
  height: 90px;
  border-radius: 12px;
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  overflow: hidden;
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.08);
  flex-shrink: 0;
  --preview-base-width: 600px;
  --preview-scale: 0.2;
  --preview-offset-x: 0px;
}
.zt-preview-canvas {
  position: absolute;
  top: 0;
  left: var(--preview-offset-x);
  width: var(--preview-base-width);
  transform: scale(var(--preview-scale));
  transform-origin: top left;
  pointer-events: none;
  min-height: calc(100% / var(--preview-scale));
}
.zt-preview-canvas * { pointer-events: none; }
.zt-template-overlay {
  position: absolute;
  top: 8px;
  right: 8px;
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.78);
  color: #f8fafc;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  box-shadow: 0 8px 16px rgba(15, 23, 42, 0.2);
  pointer-events: none;
}
.zt-preview-text {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.4;
  font-size: 12px;
  color: #64748b;
}
.zt-shortcut-badge { display: inline-block; background: rgba(14, 165, 233, 0.12); color: #0369a1; font-size: 11px; padding: 2px 8px; border-radius: 999px; font-family: var(--zt-font-mono); border: 1px solid rgba(14, 165, 233, 0.2); }
.zt-template-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  border: 1px solid rgba(15, 23, 42, 0.2);
}
.zt-template-badge.is-example {
  background: rgba(14, 165, 233, 0.12);
  color: #0369a1;
  border-color: rgba(14, 165, 233, 0.25);
}
.zt-template-badge.is-custom {
  background: rgba(34, 197, 94, 0.12);
  color: #166534;
  border-color: rgba(22, 101, 52, 0.25);
}
.zt-item.locked .zt-item-preview { opacity: 0.8; }

/* LIST ACTIONS */
.zt-actions {
  position: absolute;
  top: 16px;
  right: 16px;
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: opacity 0.2s;
  background: rgba(255,255,255,0.9);
  padding: 4px;
  border-radius: 12px;
  backdrop-filter: blur(6px);
}
.zt-item:hover .zt-actions { opacity: 1; }
.zt-action-btn { width: 32px; height: 32px; border-radius: 10px; border: none; background: transparent; color: #94a3b8; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all 0.2s; }
.zt-action-btn svg { width: 18px; height: 18px; stroke-width: 2px; }
.zt-action-btn[disabled] { opacity: 0.35; cursor: not-allowed; }
.zt-btn-edit:hover { background: rgba(14, 165, 233, 0.12); color: var(--zt-primary); }
.zt-btn-duplicate:hover { background: rgba(34, 197, 94, 0.12); color: #16a34a; }
.zt-btn-download:hover { background: rgba(15, 23, 42, 0.08); color: #0f172a; }
.zt-btn-preview:hover { background: rgba(14, 165, 233, 0.12); color: var(--zt-primary); }
.zt-btn-insert:hover { background: rgba(14, 165, 233, 0.12); color: var(--zt-primary); }

/* List View */
.zt-list.view-list { gap: 10px; }
.zt-list.view-list { gap: 0; }
.zt-list.view-list .zt-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  margin-bottom: 0;
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}
.zt-list.view-list .zt-item:last-child { border-bottom: none; }
.zt-list.view-list .zt-item:hover { transform: none; box-shadow: none; border-color: transparent; }
.zt-list.view-list .zt-item-title { font-size: 14px; margin-bottom: 2px; }
.zt-list.view-list .zt-item-preview { display: none; }
.zt-list.view-list .zt-item-body { min-width: 0; }
.zt-item-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  color: #64748b;
}
.zt-item-subject {
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.zt-item-date { white-space: nowrap; }
.zt-list.view-list .zt-actions {
  position: static;
  opacity: 1;
  background: transparent;
  padding: 0;
  border-radius: 0;
  backdrop-filter: none;
  margin-left: auto;
}
.zt-list.view-list .zt-action-btn { width: 28px; height: 28px; }
.zt-list.view-list .zt-action-btn svg { width: 16px; height: 16px; }

/* Thumbnail View */
.zt-list.view-thumb { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
.zt-list.view-thumb .zt-item { margin-bottom: 0; padding: 12px; overflow: hidden; }
.zt-list.view-thumb .zt-item-preview {
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
  background: transparent;
  border: none;
  padding: 0;
  margin-top: 10px;
}
.zt-list.view-thumb .zt-preview-frame { width: 100%; height: 180px; border-radius: 16px; }
.zt-list.view-thumb .zt-preview-text { display: none; }

/* Cards View */
.zt-list.view-preview .zt-item-preview {
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
  background: transparent;
  border: none;
  padding: 0;
  margin-top: 10px;
}
.zt-list.view-preview .zt-item { overflow: hidden; }
.zt-list.view-preview .zt-preview-frame { width: 100%; height: 200px; border-radius: 16px; }
.zt-list.view-preview .zt-preview-text { -webkit-line-clamp: 2; font-size: 12px; color: #475569; }
.zt-btn-delete { color: #94a3b8; }
.zt-btn-delete:hover { background: rgba(239, 68, 68, 0.12); color: #ef4444; }

.zt-item-insert {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 12px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  pointer-events: none;
  z-index: 2;
}
.zt-item:hover .zt-item-insert,
.zt-item:focus-within .zt-item-insert {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.zt-list.view-list .zt-item-insert { display: none; }
.zt-insert-btn {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 12px;
  border: none;
  background: var(--zt-gradient);
  color: #ffffff;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 10px 22px rgba(14, 165, 233, 0.25);
  transition: transform 0.15s ease, box-shadow 0.2s ease, filter 0.2s ease;
}
.zt-insert-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 26px rgba(14, 165, 233, 0.3);
}
.zt-insert-btn:active { transform: translateY(0); }
.zt-insert-btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
}
.zt-insert-btn .zt-btn-icon { display: inline-flex; }
.zt-insert-btn .zt-btn-icon svg { width: 16px; height: 16px; }