html,
body {
  height: 100%;
  overflow: hidden;
  width: 100%;
  max-width: 100%;
}

.app-shell {
  height: 100vh;
  min-height: 0;
  min-width: 0;
  max-width: 100%;
}

.side-rail {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: visible;
  border-right: 0;
  background: transparent;
  box-shadow: none;
}

.workspace {
  height: 100vh;
  min-width: 0;
  max-width: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  background:
    radial-gradient(circle at 22% 12%, color-mix(in oklch, var(--glow) 16%, transparent), transparent 30%),
    repeating-linear-gradient(90deg, color-mix(in oklch, var(--primary) 7%, transparent) 0 1px, transparent 1px 42px),
    var(--paper);
}

.view {
  min-width: 0;
  max-width: 100%;
  min-height: calc(100vh - 62px);
}

.view.active {
  display: flex;
  flex-direction: column;
}

.view > .panel {
  width: 100%;
  min-width: 0;
  max-width: 100%;
  border-radius: 20px;
}

.panel {
  --panel-pad: var(--space-5);
  background:
    linear-gradient(color-mix(in oklch, var(--surface) 96%, transparent), color-mix(in oklch, var(--surface) 96%, transparent)),
    repeating-linear-gradient(180deg, transparent 0 31px, color-mix(in oklch, var(--line) 30%, transparent) 31px 32px);
}

.topbar {
  border-bottom: 0;
  background: transparent;
  backdrop-filter: none;
}

.brand-home {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  border: 0;
  background: transparent;
  color: inherit;
  padding: 0;
  cursor: pointer;
}

select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='20' height='20' fill='none' stroke='%2366776f' stroke-width='1.9' stroke-linecap='round' stroke-linejoin='round' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='m6 8 4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-size: 18px 18px;
  background-position: right 16px center;
  padding-right: 44px;
}

.rail-system {
  margin-top: auto;
}

.top-actions {
  justify-content: flex-end;
}

.project-home,
.composer-panel,
.preview-panel,
.skill-page,
.material-library-page,
.profile-panel,
.admin-panel {
  min-height: calc(100vh - 104px);
}

.project-home {
  display: grid;
  grid-template-rows: auto 1fr;
  gap: var(--space-4);
}

.project-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: flex-end;
}

.project-filters button {
  min-height: 30px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  padding: 0 var(--space-3);
  cursor: pointer;
  font-size: 13px;
  font-weight: 850;
}

.project-filters button.active,
.project-filters button:hover {
  background: var(--primary-soft);
  color: var(--primary-text);
  border-color: color-mix(in oklch, var(--primary) 24%, var(--line));
}

.project-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 240px));
  align-content: start;
  justify-content: start;
  gap: var(--space-4);
}

.project-card {
  position: relative;
  min-height: 238px;
  display: grid;
  grid-template-rows: auto auto 1fr auto auto;
  gap: var(--space-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background:
    linear-gradient(90deg, transparent 0 28px, color-mix(in oklch, var(--line) 50%, transparent) 28px 29px, transparent 29px),
    repeating-linear-gradient(180deg, transparent 0 31px, color-mix(in oklch, var(--line) 34%, transparent) 31px 32px),
    var(--surface);
  box-shadow: var(--shadow-soft);
  padding: var(--space-4);
  overflow: hidden;
  transition: transform var(--motion-fast) var(--ease-out), box-shadow var(--motion-fast) var(--ease-out);
}

.project-card:hover,
.project-card.active {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.project-card h3 {
  margin: 0;
  max-width: calc(100% - 28px);
  font-size: 17px;
  line-height: 23px;
}

.project-card p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.create-card {
  place-items: center;
  align-content: center;
  text-align: center;
  border-style: dashed;
  cursor: pointer;
}

.card-plus,
.icon-button::before,
.star-button::before {
  content: "";
  display: block;
  background: currentColor;
  -webkit-mask: var(--mask) center / contain no-repeat;
  mask: var(--mask) center / contain no-repeat;
}

.card-plus {
  --mask: url("data:image/svg+xml,%3Csvg width='24' height='24' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
  width: 28px;
  height: 28px;
  color: var(--muted);
}

.paper-spine {
  width: 1px;
  height: 100%;
  position: absolute;
  left: 28px;
  top: 0;
  border-left: 1px dashed color-mix(in oklch, var(--line) 70%, transparent);
}

.star-button {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  width: 30px;
  height: 30px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.star-button::before {
  --mask: url("data:image/svg+xml,%3Csvg width='24' height='24' fill='black' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='m12 3 2.7 5.5 6.1.9-4.4 4.3 1 6.1-5.4-2.9-5.4 2.9 1-6.1-4.4-4.3 6.1-.9z'/%3E%3C/svg%3E");
  width: 18px;
  height: 18px;
  margin: auto;
}

.star-button.active {
  color: #e3a300;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  color: var(--muted);
  font-size: 11px;
}

.card-meta button {
  min-height: 26px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary-text);
  padding: 0 var(--space-2);
  cursor: pointer;
}

.composer-panel {
  width: min(1120px, 100%);
  margin-inline: auto;
  align-content: start;
}

.compact-upload {
  min-height: 86px;
}

.material-composer {
  position: relative;
}

.material-composer textarea {
  min-height: 260px;
  padding: var(--space-4);
  padding-bottom: 66px;
}

.composer-actions {
  position: absolute;
  left: var(--space-4);
  right: var(--space-4);
  bottom: var(--space-4);
  display: flex;
  gap: var(--space-2);
  align-items: center;
  pointer-events: none;
}

.composer-actions > * {
  pointer-events: auto;
}

.composer-spacer {
  flex: 1;
  min-width: 0;
}

.icon-button {
  width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: color-mix(in oklch, var(--surface) 94%, transparent);
  color: var(--ink);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: transform var(--motion-fast) var(--ease-out), box-shadow var(--motion-fast) var(--ease-out);
}

.icon-button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-hover);
}

#addMenuBtn::before {
  --mask: url("data:image/svg+xml,%3Csvg width='24' height='24' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
  width: 20px;
  height: 20px;
}

.send-button {
  flex: 0 0 36px;
  min-width: 36px;
  width: 36px;
  height: 36px;
  aspect-ratio: 1 / 1;
  background: linear-gradient(180deg, var(--primary), var(--primary-2));
  color: var(--surface);
}

.send-button::before {
  --mask: url("data:image/svg+xml,%3Csvg width='24' height='24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M12 19V5M6 11l6-6 6 6'/%3E%3C/svg%3E");
  width: 20px;
  height: 20px;
}

.model-current img {
  width: 22px;
  height: 22px;
  flex: 0 0 22px;
}

.model-current span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 12px;
  font-weight: 850;
}

.model-current {
  width: auto;
  min-width: 106px;
  max-width: 148px;
  grid-auto-flow: column;
  grid-auto-columns: max-content;
  gap: var(--space-2);
  border-radius: 999px;
  padding: 0 var(--space-3);
}

.prompt-inline {
  display: none;
}

.prompt-field input {
  margin-top: var(--space-2);
  height: 42px;
}

.action-menu-wrap {
  position: relative;
}

.right-actions {
  justify-self: end;
}

.floating-menu {
  position: absolute;
  left: 0;
  top: auto;
  bottom: calc(100% + 8px);
  z-index: 30;
  width: 218px;
  display: grid;
  gap: 4px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: color-mix(in oklch, var(--surface) 98%, transparent);
  box-shadow: var(--shadow-paper);
  padding: var(--space-2);
}

.model-menu {
  left: auto;
  right: 0;
  width: 252px;
}

.floating-menu button {
  min-height: 38px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2);
  text-align: left;
  cursor: pointer;
}

.floating-menu button:hover,
.floating-menu button.active {
  background: var(--primary-soft);
  color: var(--primary-text);
}

.floating-menu img {
  width: 22px;
  height: 22px;
}

.floating-menu b,
.floating-menu span,
.floating-menu em {
  display: block;
}

.floating-menu em,
.floating-menu span,
.menu-empty {
  color: var(--muted);
  font-size: 12px;
  font-style: normal;
}

#skillQuickSearch {
  height: 36px;
  margin-bottom: var(--space-1);
}

.material-layout {
  display: grid;
  grid-template-columns: minmax(220px, 300px) minmax(0, 1fr);
  gap: var(--space-5);
}

.material-sidebar,
.material-board {
  min-width: 0;
  display: grid;
  align-content: start;
  gap: var(--space-3);
}

.material-groups {
  display: grid;
  gap: var(--space-2);
}

.material-groups button,
.material-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.material-groups button {
  min-height: 46px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-3);
  color: var(--ink);
  cursor: pointer;
  font-weight: 850;
}

.material-groups button.active,
.material-groups button:hover {
  background: var(--primary-soft);
  color: var(--primary-text);
  border-color: color-mix(in oklch, var(--primary) 24%, var(--line));
}

.material-groups em {
  color: var(--muted);
  font-style: normal;
  font-size: 12px;
}

.material-board {
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
}

.material-item {
  min-height: 130px;
  display: grid;
  gap: var(--space-3);
  padding: var(--space-4);
  box-shadow: var(--shadow-soft);
}

.material-item b,
.material-item span,
.material-item em,
.material-item small {
  display: block;
}

.material-item span,
.material-item em {
  color: var(--muted);
  font-size: 12px;
  font-style: normal;
}

.material-item small {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.material-item i {
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary-text);
  padding: 2px 8px;
  font-style: normal;
}

.preview-panel {
  min-height: calc(100vh - 104px);
}

.script-list {
  min-height: 0;
  height: min(720px, calc(100vh - 252px));
}

.skill-layout {
  display: grid;
  grid-template-columns: minmax(240px, 340px) minmax(0, 1fr);
  gap: var(--space-5);
}

.skill-list,
.skill-editor {
  min-width: 0;
  display: grid;
  align-content: start;
  gap: var(--space-4);
}

.skill-cards {
  display: grid;
  gap: var(--space-2);
}

.skill-cards button {
  min-height: 70px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--ink);
  display: grid;
  gap: 4px;
  padding: var(--space-3);
  text-align: left;
  cursor: pointer;
}

.skill-cards button.active,
.skill-cards button:hover {
  background: var(--primary-soft);
  color: var(--primary-text);
  border-color: color-mix(in oklch, var(--primary) 24%, var(--line));
}

.skill-cards span {
  color: var(--muted);
  font-size: 12px;
}

.skill-editor textarea {
  min-height: 260px;
}

.editor-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
}

.settings-theme {
  width: max-content;
  margin-top: var(--space-2);
}

@media (max-width: 860px) {
  .composer-actions {
    left: var(--space-3);
    right: var(--space-3);
  }

  .skill-layout {
    grid-template-columns: 1fr;
  }

  .material-layout {
    grid-template-columns: 1fr;
  }
}