:root {
  --bg: #f5f4f1;
  --panel: #ffffff;
  --panel-soft: #faf9f7;
  --text: #1d252c;
  --muted: #6f7b86;
  --line: #dedbd4;
  --accent: #2f7d7e;
  --accent-strong: #24696a;
  --danger: #c44e4e;
  --shadow: 0 16px 48px rgba(38, 48, 58, 0.12);
}

* {
  box-sizing: border-box;
}

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

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

button {
  cursor: pointer;
}

input,
textarea,
select {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  outline: 0;
  padding: 12px 13px;
  width: 100%;
}

textarea {
  min-height: 82px;
  resize: vertical;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(47, 125, 126, 0.16);
}

.auth-page {
  align-items: center;
  display: flex;
  min-height: 100vh;
  padding: 32px;
}

.auth-panel {
  display: grid;
  gap: 32px;
  grid-template-columns: minmax(260px, 0.9fr) minmax(320px, 420px);
  margin: 0 auto;
  max-width: 980px;
  width: 100%;
}

.brand-lockup,
.brand-row {
  align-items: center;
  display: flex;
  gap: 16px;
}

.brand-lockup {
  align-self: center;
}

.brand-lockup h1 {
  font-size: clamp(36px, 6vw, 68px);
  line-height: 1;
  margin: 0 0 14px;
}

.brand-lockup p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
  margin: 0;
  max-width: 440px;
}

.brand-mark {
  align-items: center;
  background: var(--accent);
  border-radius: 8px;
  color: #fff;
  display: inline-flex;
  flex: 0 0 auto;
  font-weight: 800;
  height: 44px;
  justify-content: center;
  width: 44px;
}

.auth-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 24px;
}

.segmented {
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-bottom: 20px;
  padding: 4px;
}

.segmented a {
  border-radius: 6px;
  color: var(--muted);
  padding: 10px;
  text-align: center;
  text-decoration: none;
}

.segmented a.active {
  background: var(--panel);
  box-shadow: 0 6px 18px rgba(38, 48, 58, 0.08);
  color: var(--text);
  font-weight: 700;
}

.auth-form {
  display: grid;
  gap: 14px;
}

.reset-request-form {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 10px;
  margin-top: 18px;
  padding-top: 18px;
}

.auth-form label {
  color: var(--muted);
  display: grid;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
}

.approval-card {
  display: grid;
  gap: 14px;
  margin: 0 auto;
  max-width: 520px;
  width: min(100%, 520px);
}

.form-error,
.notice {
  background: rgba(196, 78, 78, 0.12);
  border: 1px solid rgba(196, 78, 78, 0.24);
  border-radius: 8px;
  color: var(--danger);
  margin: 0 0 14px;
  padding: 12px;
}

.primary-button,
.secondary-button,
.theme-button,
.icon-button,
.ghost-icon {
  align-items: center;
  border: 0;
  border-radius: 8px;
  display: inline-flex;
  gap: 8px;
  justify-content: center;
}

.primary-button {
  background: var(--accent);
  color: #fff;
  font-weight: 800;
  padding: 12px 16px;
}

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

.primary-button.small,
.secondary-button.small {
  min-height: 42px;
  padding: 9px 12px;
}

.secondary-button {
  background: var(--panel-soft);
  border: 1px solid var(--line);
  color: var(--text);
}

.app {
  background: var(--bg);
  color: var(--text);
  display: grid;
  grid-template-columns: 320px 1fr;
  min-height: 100vh;
}

.app.dark {
  --bg: #161817;
  --panel: #202321;
  --panel-soft: #282c29;
  --text: #f3f1ea;
  --muted: #adb6ad;
  --line: #373d38;
  --accent: #74a991;
  --accent-strong: #60957e;
}

.sidebar {
  background: var(--panel);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 22px;
}

.sidebar-top,
.workspace-header,
.toolbar,
.composer-row,
.task-title-row,
.task-meta,
.task-actions {
  align-items: center;
  display: flex;
}

.sidebar-top,
.workspace-header,
.toolbar,
.task-title-row {
  justify-content: space-between;
}

.brand-row strong,
.brand-row span {
  display: block;
}

.brand-row span {
  color: var(--muted);
  font-size: 13px;
  margin-top: 2px;
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.icon-button {
  background: var(--panel-soft);
  color: var(--text);
  height: 38px;
  text-decoration: none;
  width: 38px;
}

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

.quick-stats span {
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  padding: 10px;
  text-align: center;
}

.create-group {
  display: grid;
  gap: 8px;
  grid-template-columns: 1fr 38px;
}

.group-list {
  display: grid;
  gap: 6px;
  overflow: auto;
}

.side-panel,
.member-panel {
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 10px;
  padding: 12px;
}

.side-panel:empty,
.member-panel:empty {
  display: none;
}

.side-panel h2,
.member-panel h2 {
  font-size: 14px;
  margin: 0;
}

.invite-card,
.member-list,
.search-result {
  display: grid;
  gap: 8px;
}

.invite-card span,
.member-list span {
  color: var(--muted);
  display: block;
  font-size: 13px;
  overflow-wrap: anywhere;
}

.invite-actions,
.member-search,
.search-result {
  align-items: center;
  display: flex;
  gap: 8px;
}

.member-search input {
  min-width: 0;
}

.group-item {
  align-items: center;
  border-radius: 8px;
  display: grid;
  gap: 4px;
  grid-template-columns: 1fr 30px 30px;
  min-height: 42px;
  padding: 4px;
}

.group-item.selected {
  background: rgba(47, 125, 126, 0.12);
}

.group-item > button:first-child {
  align-items: center;
  background: transparent;
  border: 0;
  color: var(--text);
  display: flex;
  justify-content: space-between;
  min-width: 0;
  padding: 8px;
  text-align: left;
}

.group-item span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.group-item small {
  color: var(--muted);
}

.ghost-icon {
  background: transparent;
  color: var(--muted);
  height: 30px;
  width: 30px;
}

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

.ghost-icon.danger:hover {
  color: var(--danger);
}

.workspace {
  display: grid;
  gap: 18px;
  grid-template-rows: auto auto auto 1fr;
  padding: 28px;
}

.workspace-header h1 {
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.1;
  margin: 2px 0 0;
}

.eyebrow {
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  margin: 0;
  text-transform: uppercase;
}

.theme-button {
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 10px 12px;
}

.toolbar {
  gap: 12px;
}

.search {
  align-items: center;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: flex;
  flex: 1;
  gap: 8px;
  padding: 0 12px;
}

.search input {
  border: 0;
  box-shadow: none;
  padding-left: 0;
}

.toolbar select {
  max-width: 220px;
}

.task-composer {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(38, 48, 58, 0.06);
  display: grid;
  gap: 12px;
  padding: 12px;
}

.task-composer > input {
  border: 0;
  box-shadow: none;
  font-weight: 700;
}

.composer-row {
  align-items: center;
  gap: 10px;
}

.task-list {
  display: grid;
  gap: 10px;
  min-height: 220px;
}

.task-card {
  align-items: flex-start;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  display: grid;
  gap: 12px;
  grid-template-columns: 34px 1fr auto;
  padding: 14px;
}

.task-card[draggable="true"] {
  cursor: grab;
}

.task-card.completed {
  opacity: 0.72;
}

.task-card.completed h2 {
  text-decoration: line-through;
}

.task-card.priority-low {
  border-left-color: #7b9e72;
}

.task-card.priority-normal {
  border-left-color: var(--accent);
}

.task-card.priority-high {
  border-left-color: #c86b4f;
}

.check-button {
  align-items: center;
  background: transparent;
  border: 2px solid var(--accent);
  border-radius: 50%;
  color: var(--accent);
  display: flex;
  height: 24px;
  justify-content: center;
  margin-top: 2px;
  padding: 0;
  width: 24px;
}

.task-content {
  min-width: 0;
}

.task-title-row {
  gap: 12px;
}

.task-card h2 {
  font-size: 17px;
  line-height: 1.35;
  margin: 0;
  overflow-wrap: anywhere;
}

.task-card p {
  color: var(--muted);
  line-height: 1.5;
  margin: 6px 0 0;
  overflow-wrap: anywhere;
}

.priority-pill {
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  flex: 0 0 auto;
  font-size: 12px;
  font-weight: 800;
  padding: 4px 8px;
}

.task-meta {
  color: var(--muted);
  flex-wrap: wrap;
  font-size: 13px;
  gap: 10px;
  margin-top: 12px;
}

.task-actions {
  gap: 4px;
}

.task-card.editing {
  display: block;
}

.edit-form {
  display: grid;
  gap: 12px;
}

.empty-state {
  align-items: center;
  background: var(--panel);
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
  display: flex;
  justify-content: center;
  min-height: 96px;
  padding: 20px;
}

@media (max-width: 860px) {
  .app {
    grid-template-columns: 1fr;
  }

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

  .group-list {
    grid-auto-flow: column;
    grid-auto-columns: minmax(210px, 1fr);
    overflow-x: auto;
  }

  .workspace {
    padding: 20px;
  }
}

@media (max-width: 640px) {
  .auth-page {
    padding: 18px;
  }

  .auth-panel {
    grid-template-columns: 1fr;
  }

  .brand-lockup {
    align-items: flex-start;
    flex-direction: column;
  }

  .toolbar,
  .workspace-header,
  .composer-row,
  .invite-actions,
  .member-search,
  .search-result {
    align-items: stretch;
    flex-direction: column;
  }

  .toolbar select {
    max-width: none;
  }

  .task-card {
    grid-template-columns: 30px 1fr;
  }

  .task-actions {
    grid-column: 2;
    justify-content: flex-start;
  }
}