* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-0: #0c0f17;
  --bg-1: #111624;
  --bg-2: #151b2e;
  --fg-1: #e9ecf1;
  --fg-2: #b9c0cc;
  --fg-3: #8a93a3;
  --line-1: rgba(255,255,255,.08);
  --acc-1: #8b5cf6;
  --acc-2: #00e6ff;
  --acc-3: #ff9966;
  --acc-4: #ffd37a;
  --delete-color: #ff5555;
  --delete-hover-bg: linear-gradient(135deg, rgba(255,85,85,.24), rgba(255,153,102,.18));
  --edit-color: #50fa7b;
  --edit-hover-bg: linear-gradient(135deg, rgba(80,250,123,.2), rgba(0,230,255,.12));
  --move-color: #ffb86c;
  --move-hover-bg: linear-gradient(135deg, rgba(255,184,108,.2), rgba(255,153,102,.16));
  --radius-lg: 18px;
  --radius-xl: 24px;
  --shadow-1: 0 10px 30px rgba(0,0,0,.35);
  --shadow-2: 0 6px 18px rgba(0,0,0,.28);
  --blur: 14px;
  --font-ui: ui-sans-serif, system-ui, "Inter", "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --fs-1: clamp(28px, 4vw, 40px);
  --fs-2: clamp(18px, 2.2vw, 22px);
  --fs-3: 14.5px;
  --ease-smooth: cubic-bezier(.22,.61,.36,1);
  --timing-function-bounce: cubic-bezier(0.175, 0.885, 0.32, 1.275);
  --duration-1: 160ms;
  --duration-2: 260ms;
  --duration-3: 600ms;
  --transition-duration-page: 0.35s;
  --safe-area-inset-top: env(safe-area-inset-top, 0px);
  --safe-area-inset-right: env(safe-area-inset-right, 0px);
  --safe-area-inset-bottom: env(safe-area-inset-bottom, 0px);
  --safe-area-inset-left: env(safe-area-inset-left, 0px);
}

html, body {
  overscroll-behavior-y: contain;
  height: 100%;
  background: radial-gradient(1200px 800px at 20% -10%, rgba(139,92,246,.22), transparent 60%),
              radial-gradient(1200px 800px at 110% 10%, rgba(0,230,255,.16), transparent 60%),
              radial-gradient(1000px 700px at 40% 120%, rgba(255,153,102,.12), transparent 60%),
              var(--bg-0);
  color: var(--fg-1);
  font-family: var(--font-ui);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  line-height: 1.6;
  scrollbar-color: var(--line-1) transparent;
  scrollbar-width: thin;
}

body::before {
  content: "";
  position: fixed; inset: 0;
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 160 160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix type='saturate' values='0'/><feComponentTransfer><feFuncA type='table' tableValues='0 0 .06 0'/></feComponentTransfer></filter><rect width='100%' height='100%' filter='url(#n)' /></svg>") repeat;
  opacity: .35;
  pointer-events: none;
  mix-blend-mode: soft-light;
  animation: grain 7s steps(10) infinite;
}

.top-bar {
  position: fixed;
  top: var(--safe-area-inset-top);
  left: var(--safe-area-inset-left);
  right: var(--safe-area-inset-right);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(12, 15, 23, 0.7);
  border-bottom: 1px solid var(--line-1);
  padding: 0.6rem 1.2rem;
  z-index: 999;
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  box-shadow: var(--shadow-2);
  min-height: 3.75rem;
  gap: 0.5rem;
}

.breadcrumb {
  font-size: clamp(0.8rem, 2vw, 1rem);
  white-space: nowrap;
  overflow-x: auto;
  overflow-y: hidden;
  text-overflow: clip;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
  flex-grow: 1;
  text-align: center;
  margin: 0 0.6rem;
  color: var(--fg-2);
  display: flex;
  justify-content: center;
}
.breadcrumb::-webkit-scrollbar {
    display: none;
}

.breadcrumb-link {
    color: var(--fg-1);
    text-decoration: none;
    padding: 0.25em 0.5em;
    border-radius: 6px;
    transition: background-color var(--duration-1) var(--ease-smooth), color var(--duration-1) var(--ease-smooth);
    cursor: pointer;
    white-space: nowrap;
}
.breadcrumb-link:hover {
    background-color: rgba(255,255,255,0.08);
    color: var(--acc-2);
}
.breadcrumb > span:not(.breadcrumb-link):not(.current-level-active) {
    padding: 0 0.35em;
    color: var(--fg-3);
    opacity: 0.75;
    white-space: nowrap;
}

.breadcrumb > span.current-level-active {
    opacity: 1;
    color: var(--acc-2);
    font-weight: 600;
    position: relative;
    border-radius: 6px;
    padding: 0.25em 0.5em;
    margin: 0 -0.1em;
    white-space: nowrap;
}

.organize-toggle {
    margin-left: auto;
    flex-shrink: 0;
}
.organize-toggle .icon-done.hidden,
.organize-toggle:not(.is-active) .icon-done,
.organize-toggle.is-active .icon-organize {
    display: none;
}

.add-container {
    position: relative;
    flex-shrink: 0;
}

.add-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: rgba(16,22,36,.9);
    border: 1px solid var(--line-1);
    border-radius: 12px;
    padding: 0.5rem;
    box-shadow: var(--shadow-1);
    backdrop-filter: blur(var(--blur));
    -webkit-backdrop-filter: blur(var(--blur));
    z-index: 1000;
    opacity: 0;
    transform: scale(0.95) translateY(-10px);
    transition: opacity var(--duration-2) var(--ease-smooth), transform var(--duration-2) var(--ease-smooth);
    pointer-events: none;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    width: max-content;
}

.add-menu:not(.hidden) {
    opacity: 1;
    transform: scale(1) translateY(0);
    pointer-events: all;
}

.add-menu-item {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.6rem 1rem;
    border-radius: 8px;
    background: none;
    border: none;
    color: var(--fg-1);
    font-size: 0.95rem;
    cursor: pointer;
    text-align: left;
    width: 100%;
    transition: background-color var(--duration-1) var(--ease-smooth), color var(--duration-1) var(--ease-smooth);
}

.add-menu-item:hover {
    background-color: rgba(255,255,255,0.08);
    color: var(--acc-2);
}

.fullscreen-toggle .icon-fullscreen-exit.hidden,
.fullscreen-toggle .icon-fullscreen-enter.hidden {
    display: none;
}

#app-logo-button {
    padding: 6px;
}

#header-animated-logo {
    transition: transform var(--duration-2) var(--ease-smooth);
}

#app-logo-button:hover #header-animated-logo {
    transform: scale(1.05) rotate(-3deg);
}

.cards-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: clamp(1rem, 2.5vw, 1.8rem);
  padding: clamp(1rem, 2.5vw, 1.8rem);
  padding-top: calc(6rem + var(--safe-area-inset-top));
  padding-bottom: calc(5rem + var(--safe-area-inset-bottom));
  position: relative;
  min-height: calc(100vh - var(--safe-area-inset-top) - var(--safe-area-inset-bottom));
  will-change: transform;
}

.cards-container.swiping-right { transition-property: none; }

.card {
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border: 1px solid var(--line-1);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-1);
  padding: clamp(0.8rem, 2vw, 1.2rem);
  transition: transform var(--duration-2) var(--ease-smooth), box-shadow var(--duration-2) var(--ease-smooth), border-color var(--duration-2) var(--ease-smooth);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  position: relative;
  overflow: hidden;
  min-height: 160px;
  aspect-ratio: 1/1.2;
  cursor: pointer;
  will-change: transform, box-shadow, opacity;
  width: 100%;
  opacity: 0;
  transform: translateY(20px) scale(0.98);
}

.card.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  transition: transform 600ms var(--ease-smooth), opacity 600ms var(--ease-smooth);
}

.card:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 16px 40px rgba(0,0,0,.45);
  border-color: rgba(0, 230, 255, 0.5);
  z-index: 10;
}

.cards-container.edit-mode .card {
    cursor: grab;
    animation: jiggle 0.4s infinite;
}
.cards-container.edit-mode .card:hover {
    transform: translateY(-5px) scale(1.02);
    animation-name: jiggle;
}
.cards-container.edit-mode .card.sortable-ghost {
    background: rgba(0,230,255,.12);
    border: 2px dashed var(--acc-2);
    opacity: 0.7;
}
.cards-container.edit-mode .card.sortable-drag {
    cursor: grabbing;
    opacity: 0.85;
    transform: scale(1.05);
    box-shadow: var(--shadow-1);
    z-index: 999;
    animation: none;
}

.card.drop-target-folder {
    transform: scale(1.05);
    border: 2px solid var(--acc-2);
    box-shadow: 0 0 15px 5px rgba(0,230,255,.24);
}

.card.drop-target-combine {
    border: 2px dashed var(--acc-2);
    background: rgba(0,230,255,.12);
}

@keyframes jiggle {
  0% { transform: rotate(-0.5deg) translateY(0px); }
  50% { transform: rotate(0.5deg) translateY(-1px); }
  100% { transform: rotate(-0.5deg) translateY(0px); }
}

.card-delete-btn, .card-edit-btn {
    position: absolute;
    top: -8px;
    background: var(--bg-1);
    border: 1px solid var(--line-1);
    border-radius: 50%;
    width: clamp(28px, 3vw, 32px);
    height: clamp(28px, 3vw, 32px);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transform: scale(0.5);
    transition: opacity 0.2s ease, transform 0.2s var(--timing-function-bounce), background var(--duration-1) var(--ease-smooth);
    z-index: 15;
}
.card-delete-btn { right: -8px; }
.card-edit-btn { right: 24px; }

.cards-container.edit-mode .card-delete-btn,
.cards-container.edit-mode .card-edit-btn {
    opacity: 1;
    transform: scale(1);
}

.card-delete-btn:hover {
    transform: scale(1.15);
    background: var(--delete-hover-bg);
}
.card-delete-btn .icon-delete {
    stroke: var(--fg-2);
    transition: stroke 0.2s ease;
}
.card-delete-btn:hover .icon-delete {
    stroke: var(--delete-color);
}

.card-edit-btn:hover {
    transform: scale(1.15);
    background: var(--edit-hover-bg);
}
.card-edit-btn .icon-edit {
    stroke: var(--fg-2);
    transition: stroke 0.2s ease;
}
.card-edit-btn:hover .icon-edit {
    stroke: var(--edit-color);
}

.card-content-wrapper {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  overflow: hidden;
  justify-content: center;
  height: 100%;
}

.card h3 {
  font-size: 1em;
  font-weight: 600;
  text-align: center;
  white-space: normal;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  margin-bottom: 0.5em;
  line-height: 1.25;
  color: var(--fg-1);
  word-break: break-word;
  max-height: 3.75em;
}

.folder-card .card-content-wrapper {
  justify-content: center;
  align-items: center;
}
.folder-card h3 {
  margin-bottom: 0.8em;
}
.folder-icon {
  width: clamp(50%, 8vw, 65%);
  height: auto;
  display: block;
  stroke: var(--fg-1);
  transition: stroke var(--duration-2) var(--ease-smooth);
}
.folder-card:hover .folder-icon {
    stroke: var(--acc-2);
}

.prompt-card .card-content-wrapper {
  justify-content: space-between;
}

.prompt-card h3 {
   margin-bottom: 0.8em;
}

.card-buttons {
  display: flex;
  justify-content: space-evenly;
  margin-top: auto;
  padding-top: 0.6em;
  flex-shrink: 0;
  width: 100%;
}

.btn {
  --btn-bg: linear-gradient(135deg, rgba(139,92,246,.18), rgba(0,230,255,.12));
  --btn-border: linear-gradient(135deg, rgba(255,255,255,.24), rgba(255,255,255,.08));
  position: relative;
  display: inline-flex; align-items: center; justify-content: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 999px;
  font-weight: 600; font-size: 14.5px;
  color: var(--fg-1);
  background: var(--btn-bg);
  border: 1px solid transparent;
  background-clip: padding-box;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.06), 0 6px 20px rgba(0,0,0,.35);
  transition: transform var(--duration-1) var(--ease-smooth), box-shadow var(--duration-1) var(--ease-smooth), filter var(--duration-1) var(--ease-smooth);
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.btn:before {
  content: "";
  position: absolute; inset: 0; border-radius: inherit;
  padding: 1px; mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  background: var(--btn-border);
}
.btn:hover { transform: translateY(-1px); box-shadow: inset 0 0 0 1px rgba(255,255,255,.08), 0 10px 28px rgba(0,0,0,.45); }
.btn:active { transform: translateY(0); filter: brightness(.98); }
.btn:focus-visible { outline: none; box-shadow: 0 0 0 3px rgba(0,230,255,.28), 0 0 0 6px rgba(139,92,246,.18); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none; }
.btn.hidden { display: none; }

.btn-primary { --btn-bg: linear-gradient(135deg, rgba(0,230,255,.22), rgba(139,92,246,.22) 55%, rgba(255,153,102,.16)); }
.btn-ghost { --btn-bg: linear-gradient(135deg, rgba(255,255,255,.06), rgba(255,255,255,.03)); color: var(--fg-2); padding: 8px; }
.btn-danger { --btn-bg: var(--delete-hover-bg); }

.btn svg.icon {
  stroke: currentColor;
  width: 22px;
  height: 22px;
}
.btn-ghost svg.icon {
    width: 24px;
    height: 24px;
}

.mobile-nav {
  position: fixed;
  bottom: var(--safe-area-inset-bottom);
  left: var(--safe-area-inset-left);
  right: var(--safe-area-inset-right);
  background: rgba(12, 15, 23, 0.7);
  border-top: 1px solid var(--line-1);
  display: flex;
  justify-content: space-around;
  padding: 0.6rem;
  z-index: 1050;
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  box-shadow: 0 -2px 8px rgba(0,0,0,.2);
  min-height: 3.2rem;
}
.mobile-nav.hidden { display: none; }
.mobile-button { padding: 10px; }

.fixed-back {
  position: fixed;
  left: calc(1.2rem + var(--safe-area-inset-left));
  top: 50%;
  transform: translateY(-50%) translateZ(0);
  background: linear-gradient(135deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border: 1px solid var(--line-1);
  border-radius: 50%;
  cursor: pointer;
  padding: 0.7rem;
  z-index: 900;
  transition: transform var(--duration-2) var(--ease-smooth), background var(--duration-2) var(--ease-smooth), box-shadow var(--duration-2) var(--ease-smooth);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: var(--shadow-2);
}
.fixed-back:hover {
  transform: translateY(-50%) scale(1.12);
  box-shadow: var(--shadow-1);
}
.fixed-back.hidden { display: none; }
.fixed-back svg.icon { width: 26px; height: 26px; display: block; }

.modal {
  position: fixed;
  top: 0; right: 0; bottom: 0; left: 0;
  padding-top: var(--safe-area-inset-top);
  padding-right: var(--safe-area-inset-right);
  padding-bottom: var(--safe-area-inset-bottom);
  padding-left: var(--safe-area-inset-left);
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-2) var(--ease-smooth), visibility var(--duration-2) var(--ease-smooth), backdrop-filter var(--duration-2) var(--ease-smooth);
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
}

.modal.visible {
  opacity: 1;
  visibility: visible;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.modal .modal-content {
  max-width: 750px;
  width: 92%;
  max-height: 88vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  transform: scale(0.95);
  opacity: 0;
  transition: transform var(--duration-3) var(--ease-smooth), opacity var(--duration-3) var(--ease-smooth);
  padding: 1.8rem 2.2rem 2.2rem;
}

.modal.visible .modal-content {
  transform: scale(1);
  opacity: 1;
}

.modal .modal-content.small-modal { max-width: 450px; padding: 1.5rem; }
.modal .modal-content h2 { font-size: var(--fs-2); margin-bottom: 1.5rem; text-align: center; }

.input, .textarea {
  width: 100%;
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border: 1px solid var(--line-1);
  color: var(--fg-1);
  border-radius: 16px;
  padding: 12px 14px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.04);
  transition: box-shadow var(--duration-1) var(--ease-smooth), background var(--duration-1) var(--ease-smooth);
  font-family: var(--font-ui);
  font-size: 1rem;
}
.input::placeholder, .textarea::placeholder { color: var(--fg-3); }
.input:focus, .textarea:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(0,230,255,.24), 0 0 0 6px rgba(139,92,246,.16);
}

.prompt-title-input {
    font-size: 1.25rem;
    font-weight: 600;
    padding: 0.7rem 0.8rem;
    margin-bottom: 1.5rem;
}

.prompt-fulltext {
  white-space: pre-wrap;
  word-wrap: break-word;
  line-height: 1.75;
  margin-bottom: 1.8rem;
  flex-grow: 1;
  background: transparent;
  border: none;
  resize: none;
  width: 100%;
  outline: none;
  padding: 0;
}

.prompt-fulltext.is-editing {
    background: var(--bg-1);
    border: 1px solid var(--line-1);
    border-radius: 16px;
    padding: 0.8rem;
    margin: -0.8rem -0.8rem calc(1.8rem - 1.6rem) -0.8rem;
    resize: vertical;
}
.prompt-fulltext.is-editing:focus {
    box-shadow: 0 0 0 3px rgba(0,230,255,.24), 0 0 0 6px rgba(139,92,246,.16);
}

.modal-buttons {
  display: flex;
  justify-content: flex-end;
  gap: 0.8rem;
  margin-top: 1.2rem;
  flex-wrap: wrap;
}
svg.icon {
  display: block;
  stroke-width: 2.2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke: currentColor;
}

#notification-area {
    position: fixed;
    bottom: calc(1.2rem + var(--safe-area-inset-bottom));
    left: 50%;
    transform: translateX(-50%);
    z-index: 1100;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
    pointer-events: none;
}

.notification {
    background: rgba(16,22,36,.9);
    color: var(--fg-1);
    padding: 10px 14px;
    border-radius: 12px;
    box-shadow: var(--shadow-1);
    border: 1px solid var(--line-1);
    backdrop-filter: blur(var(--blur));
    -webkit-backdrop-filter: blur(var(--blur));
    font-size: 0.95rem;
    opacity: 0;
    transform: translateY(20px);
    display: flex;
    align-items: center;
    gap: 0.7rem;
    transition: transform var(--duration-2) var(--ease-smooth), opacity var(--duration-2) var(--ease-smooth);
}

.notification.show {
    opacity: 1;
    transform: translateY(0);
}
.notification.fade-out {
  transition: transform var(--duration-2) var(--ease-smooth), opacity var(--duration-2) var(--ease-smooth);
  opacity: 0;
  transform: translateY(20px);
}

.notification svg.icon {
    flex-shrink: 0;
    width: 19px;
    height: 19px;
    stroke-width: 3.2;
}
.notification.success svg.icon { stroke: var(--acc-2); }
.notification.error svg.icon { stroke: var(--delete-color); }

.update-notification {
    position: fixed;
    bottom: calc(1.2rem + var(--safe-area-inset-bottom));
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: rgba(16,22,36,.9);
    color: var(--fg-1);
    padding: 12px 18px;
    border-radius: 14px;
    box-shadow: var(--shadow-1);
    border: 1px solid var(--line-1);
    backdrop-filter: blur(var(--blur));
    -webkit-backdrop-filter: blur(var(--blur));
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 1200;
    opacity: 0;
    transition: transform var(--duration-3) var(--ease-smooth), opacity var(--duration-3) var(--ease-smooth);
    pointer-events: none;
}
.update-notification:not(.hidden) {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
    pointer-events: all;
}
.update-notification .btn {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.context-menu {
    position: fixed;
    background: rgba(16,22,36,.9);
    border: 1px solid var(--line-1);
    border-radius: 12px;
    padding: 0.5rem;
    box-shadow: var(--shadow-1);
    backdrop-filter: blur(var(--blur));
    -webkit-backdrop-filter: blur(var(--blur));
    z-index: 2000;
    opacity: 0;
    transform: scale(0.95) translateY(-10px);
    transition: opacity var(--duration-2) var(--ease-smooth), transform var(--duration-2) var(--ease-smooth);
    pointer-events: none;
}

.context-menu.visible {
    opacity: 1;
    transform: scale(1) translateY(0);
    pointer-events: all;
}

.context-menu-item {
    display: flex;
    align-items: center;
    padding: 0.6rem 1.2rem;
    cursor: pointer;
    transition: background-color var(--duration-1) var(--ease-smooth), color var(--duration-1) var(--ease-smooth);
    color: var(--fg-1);
    white-space: nowrap;
    border-radius: 8px;
}

.context-menu-item:hover {
    background-color: rgba(255,255,255,0.08);
    color: var(--acc-2);
}
.context-menu-item[data-action="delete"]:hover { background: var(--delete-hover-bg); color: var(--delete-color); }
.context-menu-item[data-action="rename"]:hover { background: var(--edit-hover-bg); color: var(--edit-color); }
.context-menu-item[data-action="move"]:hover { background: var(--move-hover-bg); color: var(--move-color); }

.context-menu-item svg { margin-right: 0.6rem; width: 18px; height: 18px; }
.context-menu-divider { height: 1px; background-color: var(--line-1); margin: 0.4rem 0; }

.rename-input {
    background: transparent;
    border: none;
    border-bottom: 2px solid var(--acc-2);
    color: var(--fg-1);
    font-size: 1em;
    font-weight: 600;
    text-align: center;
    padding: 0.2rem 0;
    width: 100%;
    outline: none;
}

.folder-tree {
    max-height: 50vh;
    overflow-y: auto;
    padding: 0.5rem;
    border: 1px solid var(--line-1);
    border-radius: 12px;
    margin-bottom: 1.5rem;
    background: var(--bg-1);
}

.folder-tree-item {
    padding: 0.5rem 0.8rem;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color var(--duration-1) var(--ease-smooth);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.folder-tree-item:hover { background-color: rgba(255,255,255,0.08); }
.folder-tree-item.selected { background: linear-gradient(135deg, var(--acc-2), var(--acc-1)); color: var(--bg-0); }
.folder-tree-item.disabled { opacity: 0.5; cursor: not-allowed; background-color: transparent; }
.folder-tree-item.disabled:hover { background-color: transparent; }

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  border: 2px solid transparent;
  background-clip: content-box;
  transition: background-color var(--duration-1) var(--ease-smooth);
}
::-webkit-scrollbar-thumb:hover {
  background-color: rgba(0, 230, 255, 0.4);
}

.shimmer { position: relative; overflow: hidden; isolation: isolate; }
.shimmer::after {
  content:"";
  position:absolute; inset:-100%;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,.18) 45%, transparent 60%);
  transform: translateX(-60%);
  animation: shine 2.6s var(--ease-smooth) infinite;
  pointer-events:none;
}
@keyframes shine { to { transform: translateX(60%);} }

.glow { box-shadow: 0 0 0 0 rgba(0,230,255,.35); animation: pulse 2.2s ease-out infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(0,230,255,.35); } 70% { box-shadow: 0 0 0 18px rgba(0,230,255,0); } 100% { box-shadow: 0 0 0 0 rgba(0,230,255,0); } }

@keyframes grain { from { transform: translate(0,0);} 50% { transform: translate(-1%,1%);} to{ transform: translate(0,0);} }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

@media (max-width: 768px) {
  .cards-container {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  }
  .card h3 { -webkit-line-clamp: 2; max-height: 2.5em; }
  .card-edit-btn { right: 20px; }
}

@media (max-width: 576px) {
  .cards-container {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  }
  .card h3 { -webkit-line-clamp: 2; max-height: 2.5em; }
  .folder-icon { width: 45%; }
  .card-edit-btn { right: 16px; width: 24px; height: 24px; }
}

@media (max-width: 400px) {
  .cards-container {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  }
  .card h3 { -webkit-line-clamp: 2; max-height: 2.5em; }
  .card-edit-btn { display: none; }
}

@media screen and (min-aspect-ratio: 1/1) and (max-height: 500px) {
    .fixed-back { left: calc(0.6rem + var(--safe-area-inset-left)); padding: 0.45rem; }
    .fixed-back svg.icon { width: 20px; height: 20px; }
    .cards-container { padding-top: calc(5rem + var(--safe-area-inset-top)); padding-bottom: calc(4.5rem + var(--safe-area-inset-bottom)); }
    .mobile-nav { min-height: 3rem; }
    .top-bar { min-height: 3.5rem; }
}

body:not([data-fullscreen-supported]) #fullscreen-button { display: none; }

@keyframes fade-in-vt { from { opacity: 0; } to { opacity: 1; } }
@keyframes fade-out-vt { from { opacity: 1; } to { opacity: 0; } }
@keyframes slide-from-right-vt { from { transform: translateX(35px); opacity: 0;} to { transform: translateX(0); opacity: 1;} }
@keyframes slide-to-left-vt { from { transform: translateX(0); opacity: 1;} to { transform: translateX(-35px); opacity: 0;} }
@keyframes slide-from-left-vt { from { transform: translateX(-35px); opacity: 0;} to { transform: translateX(0); opacity: 1;} }
@keyframes slide-to-right-vt { from { transform: translateX(0); opacity: 1;} to { transform: translateX(35px); opacity: 0;} }

::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: var(--transition-duration-page);
  animation-timing-function: var(--ease-smooth);
  width: 100%;
  height: 100%;
}

html:not([data-page-transition-direction="forward"]):not([data-page-transition-direction="backward"])::view-transition-old(root),
html[data-page-transition-direction="initial"]::view-transition-old(root) {
  animation-name: fade-out-vt;
}
html:not([data-page-transition-direction="forward"]):not([data-page-transition-direction="backward"])::view-transition-new(root),
html[data-page-transition-direction="initial"]::view-transition-new(root) {
  animation-name: fade-in-vt;
  animation-delay: calc(var(--transition-duration-page) * 0.1);
}

html[data-page-transition-direction="forward"]::view-transition-old(root) { animation-name: slide-to-left-vt; }
html[data-page-transition-direction="forward"]::view-transition-new(root) { animation-name: slide-from-right-vt; }
html[data-page-transition-direction="backward"]::view-transition-old(root) { animation-name: slide-to-right-vt; }
html[data-page-transition-direction="backward"]::view-transition-new(root) { animation-name: slide-from-left-vt; }