:root {
  color-scheme: light;
  --bg: #f7f6f1;
  --panel: #ffffff;
  --panel-soft: #eeece4;
  --text: #202522;
  --muted: #68706a;
  --line: #ddd9cf;
  --accent: #1f8a70;
  --accent-strong: #146452;
  --danger: #b44343;
  --shadow: 0 16px 40px rgba(55, 62, 58, 0.12);
}

body.dark {
  color-scheme: dark;
  --bg: #151816;
  --panel: #202521;
  --panel-soft: #2a302b;
  --text: #eef2ed;
  --muted: #a8b2aa;
  --line: #3a423b;
  --accent: #68c7a5;
  --accent-strong: #92dec4;
  --danger: #ff8f8f;
  --shadow: 0 16px 40px rgba(0, 0, 0, 0.25);
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

button {
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  min-height: 42px;
  padding: 0 16px;
  font-weight: 700;
}

button:hover {
  background: var(--accent-strong);
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  padding: 12px 13px;
  outline: none;
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}

.hidden {
  display: none !important;
}

.auth-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 26px;
}

.auth-panel {
  width: min(1120px, 100%);
  display: grid;
  grid-template-columns: minmax(0, 1fr) 430px;
  gap: 22px;
  align-items: stretch;
}

.auth-copy,
.auth-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.auth-copy {
  padding: clamp(28px, 5vw, 58px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 30px;
  overflow: hidden;
}

.auth-copy h2 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(34px, 5vw, 62px);
  line-height: 1.02;
  letter-spacing: 0;
}

.auth-copy p {
  max-width: 620px;
  color: var(--muted);
  line-height: 1.6;
}

.hero-message {
  display: grid;
  gap: 18px;
}

.product-preview {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(135deg, #f9faf7 0%, #eceee6 100%);
  padding: 14px;
}

body.dark .product-preview {
  background: linear-gradient(135deg, #1b211d 0%, #273029 100%);
}

.preview-top {
  display: flex;
  gap: 6px;
  margin-bottom: 12px;
}

.preview-top span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #c9c4b8;
}

.preview-layout {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 12px;
}

.preview-sidebar,
.preview-board,
.preview-note,
.preview-columns div {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--panel) 86%, transparent);
}

.preview-sidebar {
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 12px;
  color: var(--muted);
  font-size: 13px;
}

.preview-sidebar strong {
  color: var(--text);
}

.preview-board {
  display: grid;
  gap: 12px;
  padding: 12px;
}

.preview-note {
  display: grid;
  gap: 6px;
  padding: 12px;
  border-top: 5px solid #1f8a70;
}

.preview-note span,
.preview-columns span {
  color: var(--muted);
  font-size: 13px;
}

.preview-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.preview-columns div {
  display: grid;
  gap: 8px;
  padding: 10px;
  min-height: 82px;
}

.auth-card {
  padding: 20px;
  display: grid;
  gap: 16px;
}

.auth-form {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
}

.auth-form h3 {
  margin: 0;
}

.app-shell {
  display: grid;
  grid-template-columns: 300px 1fr;
  min-height: 100vh;
}

.sidebar {
  border-right: 1px solid var(--line);
  background: var(--panel);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 46px;
  height: 46px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: var(--text);
  color: var(--bg);
  font-weight: 900;
}

.brand h1,
.brand p,
.topbar h2,
.topbar p {
  margin: 0;
}

.brand h1 {
  font-size: 22px;
}

.brand p,
.eyebrow,
.hint,
.meta {
  color: var(--muted);
  font-size: 13px;
}

.logout-button {
  margin-top: auto;
}

.new-workspace,
.inline-form,
.task-form,
.shortcut-form {
  display: grid;
  gap: 10px;
}

.new-workspace {
  grid-template-columns: 1fr 46px;
}

.new-workspace button,
.icon-button {
  padding: 0;
}

.workspace-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.workspace-item {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text);
  text-align: left;
  padding: 11px 12px;
}

.workspace-item.active,
.workspace-item:hover {
  border-color: var(--line);
  background: var(--panel-soft);
  color: var(--text);
}

.delete-small {
  color: var(--danger);
  font-size: 18px;
}

.main {
  min-width: 0;
  padding: 26px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.topbar h2 {
  font-size: clamp(26px, 3vw, 40px);
}

.top-actions {
  display: flex;
  align-items: end;
  gap: 10px;
}

.search {
  display: grid;
  gap: 6px;
  min-width: 280px;
  color: var(--muted);
  font-size: 13px;
}

.icon-button,
.ghost-button {
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
}

.icon-button {
  width: 44px;
}

.ghost-button:hover,
.icon-button:hover {
  background: var(--panel-soft);
  color: var(--text);
}

.tabs {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 18px;
  overflow-x: auto;
}

.tab {
  background: transparent;
  color: var(--muted);
  border-radius: 8px 8px 0 0;
  min-width: 118px;
}

.tab:hover,
.tab.active {
  background: var(--panel);
  color: var(--text);
}

.panel {
  display: none;
}

.active-panel {
  display: block;
}

.composer,
.column,
.shortcut-form,
.inline-form,
.task-form,
.draw-tools {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.composer {
  padding: 18px;
  display: grid;
  gap: 12px;
  margin-bottom: 18px;
}

.composer-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.composer h3,
.column h3,
.empty-state h3 {
  margin: 0;
}

.composer-row {
  display: grid;
  grid-template-columns: 1fr 130px auto;
  gap: 10px;
}

.notes-grid,
.shortcut-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}

.note-card,
.shortcut-card,
.task-card,
.empty-state {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.note-card,
.shortcut-card {
  padding: 15px;
  display: grid;
  gap: 10px;
  box-shadow: var(--shadow);
}

.note-card.mint {
  border-top: 5px solid #1f8a70;
}

.note-card.sky {
  border-top: 5px solid #3f7cac;
}

.note-card.rose {
  border-top: 5px solid #c76f86;
}

.note-card.amber {
  border-top: 5px solid #d39c35;
}

.card-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.card-head h3 {
  margin: 0;
  font-size: 18px;
  overflow-wrap: anywhere;
}

.card-body {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  color: var(--text);
  line-height: 1.48;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  border-radius: 8px;
  background: var(--panel-soft);
  color: var(--muted);
  padding: 5px 8px;
  font-size: 12px;
}

.delete-button {
  width: 34px;
  min-height: 34px;
  padding: 0;
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--line);
}

.delete-button:hover {
  background: color-mix(in srgb, var(--danger) 12%, transparent);
  color: var(--danger);
}

.board-controls {
  display: grid;
  grid-template-columns: minmax(260px, 420px) 1fr;
  gap: 12px;
  margin-bottom: 16px;
}

.inline-form,
.task-form {
  padding: 14px;
}

.inline-form {
  grid-template-columns: 1fr auto;
}

.task-form {
  grid-template-columns: 1fr 190px auto;
}

.kanban {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(280px, 340px);
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 14px;
}

.column {
  padding: 14px;
  min-height: 390px;
}

.column-head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
  margin-bottom: 12px;
}

.column-title-input {
  padding: 9px 10px;
  font-weight: 800;
}

.task-list {
  display: grid;
  gap: 10px;
}

.task-card {
  padding: 12px;
  display: grid;
  gap: 10px;
}

.task-actions {
  display: grid;
  grid-template-columns: 1fr 36px;
  gap: 8px;
}

.task-actions button {
  min-height: 36px;
}

.shortcut-form {
  grid-template-columns: 170px 1fr 160px auto;
  padding: 14px;
  margin-bottom: 16px;
}

.shortcut-keys {
  display: inline-flex;
  width: fit-content;
  border: 1px solid var(--line);
  border-bottom-width: 3px;
  border-radius: 8px;
  padding: 8px 10px;
  background: var(--panel-soft);
  font-weight: 900;
}

.draw-workspace {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 14px;
}

.draw-tools {
  align-self: start;
  display: grid;
  gap: 14px;
  padding: 14px;
}

.tool-group {
  display: grid;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.tool-group:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.tool-group h3 {
  margin: 0;
  font-size: 15px;
}

.tool-group label {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}

.tool-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.tool-button {
  min-height: 38px;
  padding: 0 10px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
}

.tool-button.active,
.tool-button:hover {
  background: var(--accent);
  color: #fff;
  border-color: transparent;
}

.palette {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
}

.swatch {
  min-height: 30px;
  padding: 0;
  border: 2px solid var(--line);
}

.swatch.active {
  border-color: var(--text);
}

.tool-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.tool-actions button:last-child {
  grid-column: 1 / -1;
}

.canvas-wrap {
  min-width: 0;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #d8d6cb;
  box-shadow: var(--shadow);
  padding: 18px;
}

canvas {
  width: 100%;
  min-width: 720px;
  min-height: 500px;
  border: 1px solid #c9c4b8;
  border-radius: 8px;
  background: #fffdf7;
  cursor: crosshair;
  display: block;
}

.empty-state {
  padding: 24px;
  text-align: center;
  color: var(--muted);
}

.empty-state h3 {
  color: var(--text);
}

@media (max-width: 1040px) {
  .auth-panel,
  .app-shell,
  .draw-workspace,
  .board-controls {
    grid-template-columns: 1fr;
  }

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

  .workspace-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  }

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

@media (max-width: 720px) {
  .auth-screen,
  .main,
  .sidebar {
    padding: 16px;
  }

  .topbar,
  .top-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .search {
    min-width: 0;
  }

  .composer-row,
  .task-form,
  .inline-form,
  .shortcut-form,
  .draw-tools {
    grid-template-columns: 1fr;
  }

  .topbar h2 {
    font-size: 28px;
  }

  .tab {
    min-width: 104px;
  }
}