:root {
  --bg: #0b0f14;
  --panel: rgba(18, 27, 38, 0.94);
  --border: rgba(160, 190, 220, 0.16);
  --text: #f3f7fb;
  --muted: #9fb2c7;
  --accent: #7dd3a7;
  --warning: #f6c76a;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  --radius: 22px;
  --font-sans: "Segoe UI", "Aptos", "Helvetica Neue", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(125, 211, 167, 0.18), transparent 28%),
    radial-gradient(circle at top right, rgba(98, 160, 255, 0.16), transparent 24%),
    linear-gradient(180deg, #071018 0%, #0b0f14 100%);
  color: var(--text);
  font-family: var(--font-sans);
}

button,
input,
textarea,
select {
  font: inherit;
}

code {
  font-family: "Cascadia Code", Consolas, monospace;
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(260px, 304px) 1fr;
  min-height: 100vh;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 28px;
  border-right: 1px solid var(--border);
  background: rgba(10, 16, 24, 0.75);
  backdrop-filter: blur(14px);
}

.workspace {
  padding: 28px;
  min-width: 0;
}

.workspace-stack {
  display: grid;
  gap: 20px;
  min-width: 0;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

.sidebar-copy,
.project-description,
.project-root p,
.note-preview,
.column-meta,
.task-card p {
  color: var(--muted);
}

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.project-list,
.project-root,
.board-panel,
.notes-panel,
.trash-panel,
.hero {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.project-list,
.project-root,
.board-panel,
.notes-panel,
.trash-panel,
.hero {
  padding: 18px;
}

.board-panel,
.notes-panel,
.trash-panel {
  min-width: 0;
  overflow: hidden;
}

.project-link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 10px;
  padding: 14px;
  border: 1px solid transparent;
  border-radius: 16px;
  color: inherit;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.02);
}

.project-link:hover,
.project-link.active {
  border-color: rgba(125, 211, 167, 0.45);
  background: rgba(125, 211, 167, 0.1);
}

.project-link span {
  color: var(--muted);
  font-size: 0.85rem;
}

.workspace-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 22px;
}

.workspace-header > div,
.notes-panel-header > div,
.column-title-wrap {
  min-width: 0;
}

.notes-panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.trash-panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.notes-panel-header h2 {
  margin-bottom: 0;
}

.trash-panel-header h2 {
  margin-bottom: 0;
}

.notes-panel-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  min-width: 0;
}

.header-actions,
.dialog-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

.button,
.icon-button,
.column-actions button,
.task-mini-actions button {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  cursor: pointer;
}

.button {
  padding: 11px 18px;
  border-radius: 999px;
}

.button.primary {
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent) 0%, #70e0c6 100%);
  color: #0b1410;
  font-weight: 700;
}

.button.compact {
  padding: 8px 14px;
}

.board-scroll {
  overflow-x: auto;
  max-width: 100%;
  padding-bottom: 8px;
}

.trash-columns-wrap {
  margin-top: 18px;
}

.trash-dropzone {
  display: grid;
  gap: 6px;
  margin-top: 18px;
  padding: 18px;
  border: 1px dashed rgba(246, 199, 106, 0.42);
  border-radius: 18px;
  background: rgba(246, 199, 106, 0.08);
  color: var(--muted);
  min-height: 92px;
  align-content: center;
  transition:
    border-color 160ms ease,
    background 160ms ease,
    color 160ms ease;
}

.trash-dropzone-title,
.trash-dropzone-meta {
  margin-bottom: 0;
}

.trash-dropzone.sortable-ghost,
.trash-dropzone.sortable-chosen,
.trash-dropzone.is-active-dropzone {
  border-color: rgba(246, 199, 106, 0.78);
  background: rgba(246, 199, 106, 0.16);
  color: var(--text);
}

.board-columns {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  min-height: 60vh;
  width: max-content;
  min-width: 100%;
}

.column {
  display: flex;
  flex-direction: column;
  width: min(320px, calc(100vw - 72px));
  min-width: 280px;
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(28, 39, 54, 0.96), rgba(18, 25, 36, 0.96));
}

.trash-panel .column {
  width: min(360px, 100%);
}

.column-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.column-title-wrap h3 {
  margin-bottom: 4px;
}

.column-actions,
.task-mini-actions {
  display: flex;
  gap: 8px;
}

.column-actions button,
.task-mini-actions button,
.icon-button {
  width: 34px;
  height: 34px;
  border-radius: 12px;
}

.task-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px;
  min-height: 140px;
}

.task-card,
.note-card {
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 18px;
  padding: 14px;
  background: rgba(8, 12, 18, 0.55);
  min-width: 0;
  overflow-wrap: anywhere;
}

.task-card {
  cursor: pointer;
}

.task-card.is-completed {
  opacity: 0.7;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(125, 211, 167, 0.12);
  color: var(--accent);
  font-size: 0.8rem;
}

.pill.priority-high,
.pill.priority-urgent {
  background: rgba(246, 199, 106, 0.14);
  color: var(--warning);
}

.pill.priority-low {
  background: rgba(98, 160, 255, 0.14);
  color: #8ec1ff;
}

.notes-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
  min-width: 0;
}

.notes-panel.is-collapsed .notes-list {
  display: none;
}

.notes-panel.is-expanded .notes-list {
  display: grid;
}

.note-card {
  cursor: pointer;
  min-height: 160px;
  display: flex;
  flex-direction: column;
}

.note-card h4,
.task-card h4,
.column-title-wrap h3,
.project-description,
.note-preview,
.task-card p {
  overflow-wrap: anywhere;
}

.note-preview {
  flex: 1;
}

.collapse-toggle {
  min-width: 122px;
}

.collapse-toggle::after {
  content: "▾";
  margin-left: 8px;
  font-size: 0.9rem;
}

.collapse-toggle[aria-expanded="true"]::after {
  content: "▴";
}

.dialog {
  width: min(720px, calc(100vw - 24px));
  border: 0;
  padding: 0;
  background: transparent;
}

.dialog::backdrop {
  background: rgba(2, 5, 10, 0.72);
  backdrop-filter: blur(5px);
}

.dialog-card {
  display: grid;
  gap: 16px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: #0e1620;
  color: var(--text);
}

.dialog label {
  display: grid;
  gap: 8px;
}

.dialog input[type="text"],
.dialog textarea,
.dialog select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

.checkbox-row {
  grid-template-columns: auto 1fr;
  align-items: center;
}

.empty-state {
  padding: 24px;
  text-align: center;
}

.empty-state.compact {
  padding: 12px 0 0;
  text-align: left;
}

.sortable-ghost {
  opacity: 0.35;
}

.task-card-footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-top: 12px;
  flex-wrap: wrap;
}

.task-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

@media (max-width: 1080px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .notes-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .workspace,
  .sidebar {
    padding: 18px;
  }

  .workspace-header {
    flex-direction: column;
  }

  .notes-panel-header {
    flex-direction: column;
  }

  .trash-panel-header {
    flex-direction: column;
  }

  .header-actions {
    width: 100%;
  }

  .notes-panel-actions {
    width: 100%;
  }

  .header-actions .button {
    flex: 1;
  }

  .notes-panel-actions .button {
    flex: 1;
  }

  .trash-panel .column {
    width: 100%;
  }

  .column {
    width: min(320px, calc(100vw - 52px));
  }

  .notes-list {
    grid-template-columns: 1fr;
  }
}