:root {
  color-scheme: light;
  --bg: #f7f8fa;
  --text: #1f2328;
  --muted: #667085;
  --line: #e4e7ec;
  --surface: #ffffff;
  --surface-soft: #f1f5f9;
  --surface-hover: #eef2f7;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --danger: #dc2626;
  --shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
  --modal-shadow: 0 22px 70px rgba(15, 23, 42, 0.22);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 50% 0%, rgba(37, 99, 235, 0.07), transparent 32rem),
    var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
}

button,
input {
  font: inherit;
}

button {
  user-select: none;
}

.page {
  width: min(920px, calc(100% - 32px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 13vh 0 48px;
}

.search-area {
  display: grid;
  justify-items: center;
  gap: 24px;
}

.time {
  min-height: 60px;
  font-size: clamp(42px, 8vw, 72px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0;
}

.search {
  width: min(640px, 100%);
}

.search input {
  width: 100%;
  height: 54px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  padding: 0 20px;
  box-shadow: var(--shadow);
  outline: none;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.search input:focus {
  border-color: rgba(37, 99, 235, 0.55);
  box-shadow: 0 12px 34px rgba(37, 99, 235, 0.14);
  transform: translateY(-1px);
}

.links-area {
  margin-top: 64px;
}

.links-header,
.group-header {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 16px;
}

.group-header {
  justify-content: space-between;
}

.links-header {
  margin-bottom: 20px;
}

.links-header h1,
.group-title {
  margin: 0;
  color: #344054;
  font-size: 16px;
  font-weight: 650;
}

.groups {
  display: grid;
  gap: 18px;
}

.group-section {
  min-width: 0;
}

.group-header {
  margin-bottom: 8px;
}

.group-actions,
.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 30px;
}

.primary-button,
.ghost-button,
.font-icon-button,
.link-action {
  border: 0;
  cursor: pointer;
  transition: background-color 160ms ease, color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.primary-button {
  min-width: 76px;
  height: 38px;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  padding: 0 16px;
  font-weight: 600;
}

.primary-button:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.danger-button {
  background: var(--danger);
}

.danger-button:hover {
  background: #b91c1c;
}

.ghost-button {
  height: 38px;
  border-radius: 8px;
  background: var(--surface-soft);
  color: #344054;
  padding: 0 16px;
}

.ghost-button:hover {
  background: #e2e8f0;
}

.material-symbols-rounded {
  display: inline-block;
  font-family: "Material Symbols Rounded";
  font-feature-settings: "liga";
  font-size: 22px;
  font-style: normal;
  font-weight: normal;
  letter-spacing: 0;
  line-height: 1;
  text-transform: none;
  white-space: nowrap;
  word-wrap: normal;
  -webkit-font-feature-settings: "liga";
  -webkit-font-smoothing: antialiased;
}

.font-icon-button {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  padding: 0;
  background: transparent;
  color: #475467;
}

.font-icon-button:hover {
  color: var(--accent);
  transform: translateY(-1px);
}

.font-icon-button:disabled {
  color: #cbd5e1;
  cursor: not-allowed;
  transform: none;
}

.delete-group:hover {
  color: var(--danger);
}

.links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(112px, 1fr));
  gap: 12px;
}

.frequent-grid {
  grid-template-columns: repeat(8, minmax(86px, 1fr));
}

.link-item {
  position: relative;
  min-width: 0;
  border-radius: 8px;
  touch-action: manipulation;
  transition: opacity 180ms ease, transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.links-grid.is-editing .link-item {
  touch-action: none;
}

.links-grid.is-editing {
  min-height: 112px;
}

.link-item.is-pressing {
  transform: scale(0.98);
  background: rgba(37, 99, 235, 0.06);
}

.link-item.is-dragging {
  opacity: 0.82;
  transform: scale(1.03);
  box-shadow: var(--shadow);
  cursor: grabbing;
  pointer-events: none;
  z-index: 100;
}

.drag-placeholder {
  position: relative;
  min-width: 0;
  border-radius: 8px;
  background: transparent;
  pointer-events: none;
}

.link-placeholder {
  border-radius: 8px;
  background: transparent;
}

.link-insert-line {
  position: fixed;
  width: 0;
  border-left: 1px dashed rgba(37, 99, 235, 0.78);
  pointer-events: none;
  z-index: 120;
}

.link-anchor {
  display: grid;
  justify-items: center;
  gap: 10px;
  min-height: 112px;
  padding: 18px 10px 14px;
  color: inherit;
  text-decoration: none;
  border-radius: 8px;
  transition: background-color 160ms ease, transform 160ms ease;
}

.link-anchor:hover,
.link-anchor:focus-visible {
  background: var(--surface-hover);
  outline: none;
  transform: translateY(-1px);
}

.favicon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--line);
  color: var(--muted);
  font-size: 17px;
  font-weight: 650;
  line-height: 1;
  overflow: hidden;
}

.favicon.is-fallback {
  font-size: 18px;
}

.favicon img {
  width: 22px;
  height: 22px;
}

.link-title {
  width: 100%;
  overflow: hidden;
  color: #374151;
  font-size: 14px;
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.link-action {
  position: absolute;
  top: 6px;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  padding: 0;
  border: 0;
  background: transparent;
  color: #475467;
  opacity: 0;
  transform: translateY(-2px);
  pointer-events: none;
  box-shadow: none;
  z-index: 10;
}

.link-action .material-symbols-rounded {
  font-size: 20px;
}

.edit-link {
  left: 6px;
}

.delete-link {
  right: 6px;
  color: var(--danger);
}

body.is-editing .link-item.is-editable .link-action,
.groups.is-editing .link-item.is-editable .link-action,
.links-grid.is-editing .link-item.is-editable .link-action {
  pointer-events: none;
}

body.is-editing .link-item.is-editable:hover .link-action,
body.is-editing .link-item.is-editable:focus-within .link-action,
.groups.is-editing .link-item.is-editable:hover .link-action,
.groups.is-editing .link-item.is-editable:focus-within .link-action,
.links-grid.is-editing .link-item.is-editable:hover .link-action,
.links-grid.is-editing .link-item.is-editable:focus-within .link-action {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

body.is-editing .link-item.is-dragging .link-action,
.groups.is-editing .link-item.is-dragging .link-action,
.links-grid.is-editing .link-item.is-dragging .link-action {
  opacity: 0;
  pointer-events: none;
}

body.is-editing.is-link-dragging .link-item.is-editable .link-action,
body.is-editing.is-link-dragging .link-item.is-editable:hover .link-action,
body.is-editing.is-link-dragging .link-item.is-editable:focus-within .link-action,
body.is-link-dragging .groups.is-editing .link-item.is-editable .link-action,
body.is-link-dragging .groups.is-editing .link-item.is-editable:hover .link-action,
body.is-link-dragging .groups.is-editing .link-item.is-editable:focus-within .link-action,
body.is-link-dragging .links-grid.is-editing .link-item.is-editable .link-action,
body.is-link-dragging .links-grid.is-editing .link-item.is-editable:hover .link-action,
body.is-link-dragging .links-grid.is-editing .link-item.is-editable:focus-within .link-action {
  opacity: 0 !important;
  pointer-events: none !important;
}

.link-action:hover {
  color: var(--accent);
  transform: translateY(-1px);
}

.delete-link:hover {
  color: var(--danger);
}

.empty-text {
  grid-column: 1 / -1;
  margin: 10px 0;
  color: var(--muted);
  font-size: 14px;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(15, 23, 42, 0.32);
  backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity 180ms ease;
  z-index: 20;
}

.modal-backdrop.is-open {
  opacity: 1;
}

.modal-backdrop[hidden] {
  display: none;
}

.modal {
  width: min(420px, 100%);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--modal-shadow);
  transform: translateY(12px) scale(0.98);
  transition: transform 180ms ease;
}

.modal-backdrop.is-open .modal {
  transform: translateY(0) scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 20px 10px;
}

.modal-header h2 {
  margin: 0;
  color: #101828;
  font-size: 18px;
  font-weight: 650;
}

.close-button {
  color: var(--muted);
}

.close-button:hover {
  color: var(--text);
}

.modal-form {
  display: grid;
  gap: 14px;
  padding: 8px 20px 20px;
}

.modal-form label {
  display: grid;
  gap: 7px;
  color: #344054;
  font-size: 14px;
  font-weight: 600;
}

.modal-form input {
  width: 100%;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  padding: 0 12px;
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.modal-form input:focus {
  border-color: rgba(37, 99, 235, 0.75);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 4px;
}

.confirm-content {
  display: grid;
  gap: 18px;
  padding: 8px 20px 20px;
}

.confirm-content p {
  margin: 0;
  color: #344054;
  font-size: 14px;
  line-height: 1.6;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

@media (max-width: 760px) {
  .page {
    width: min(100% - 24px, 920px);
    padding-top: 9vh;
  }

  .links-area {
    margin-top: 44px;
  }

  .links-grid,
  .frequent-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  body.is-editing .link-item.is-editable .link-action,
  .groups.is-editing .link-item.is-editable .link-action,
  .links-grid.is-editing .link-item.is-editable .link-action {
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }

  body.is-editing .link-item.is-dragging .link-action,
  .groups.is-editing .link-item.is-dragging .link-action,
  .links-grid.is-editing .link-item.is-dragging .link-action {
    opacity: 0;
    pointer-events: none;
  }

  body.is-editing.is-link-dragging .link-item.is-editable .link-action,
  body.is-editing.is-link-dragging .link-item.is-editable:hover .link-action,
  body.is-editing.is-link-dragging .link-item.is-editable:focus-within .link-action,
  body.is-link-dragging .groups.is-editing .link-item.is-editable .link-action,
  body.is-link-dragging .groups.is-editing .link-item.is-editable:hover .link-action,
  body.is-link-dragging .groups.is-editing .link-item.is-editable:focus-within .link-action,
  body.is-link-dragging .links-grid.is-editing .link-item.is-editable .link-action,
  body.is-link-dragging .links-grid.is-editing .link-item.is-editable:hover .link-action,
  body.is-link-dragging .links-grid.is-editing .link-item.is-editable:focus-within .link-action {
    opacity: 0 !important;
    pointer-events: none !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}