:root {
  color-scheme: light;
  --bg: #f7f3ee;
  --sidebar: #f3efe9;
  --surface: #ffffff;
  --surface-soft: #fbfaf8;
  --border: #e7dfd5;
  --text: #1f1f1f;
  --text-soft: #6e6257;
  --accent: #dc4c3e;
  --accent-deep: #b83c31;
  --accent-soft: #fff1ee;
  --green: #2f9a62;
  --amber: #d88700;
  --blue: #4b78c2;
  --shadow: 0 16px 40px rgba(35, 25, 18, 0.08);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --font-ui: "Aptos", "Segoe UI Variable Text", "Segoe UI", sans-serif;
  --font-title: "Aptos Display", "Segoe UI Variable Display", "Trebuchet MS", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-ui);
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(220, 76, 62, 0.08), transparent 22%),
    linear-gradient(180deg, #f8f4ee 0%, #f4efe8 100%);
}

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

button {
  cursor: pointer;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--text);
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

input:focus,
select:focus,
textarea:focus {
  border-color: rgba(220, 76, 62, 0.45);
  box-shadow: 0 0 0 4px rgba(220, 76, 62, 0.1);
}

.app {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
}

.sidebar {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.4rem 1rem;
  background: linear-gradient(180deg, #f5f1ea 0%, #f0ebe4 100%);
  border-right: 1px solid var(--border);
}

.sidebar__top,
.sidebar__bottom,
.project-list,
.nav-list {
  display: grid;
  gap: 0.8rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.4rem 0.35rem 0.8rem;
}

.brand__mark {
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--accent) 0%, #f07a59 100%);
  color: #fff;
  font-weight: 800;
  box-shadow: 0 12px 24px rgba(220, 76, 62, 0.22);
}

.brand strong,
#viewTitle,
.composer-card__header strong,
.task-title {
  font-family: var(--font-title);
}

.brand span,
.storage-status,
.view-description,
.composer-card__header p,
.task-notes,
.empty-state p,
.meta-chip,
.field span,
.filter-field span {
  color: var(--text-soft);
}

.brand div {
  display: grid;
}

.add-task-button,
.primary-button,
.secondary-button,
.pill-button,
.text-button,
.nav-item,
.project-item,
.task-action {
  border: none;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}

.add-task-button,
.primary-button {
  border-radius: 14px;
  padding: 0.92rem 1rem;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
}

.add-task-button:hover,
.primary-button:hover,
.secondary-button:hover,
.pill-button:hover,
.text-button:hover,
.nav-item:hover,
.project-item:hover,
.task-action:hover {
  transform: translateY(-1px);
}

.sidebar-search input {
  padding: 0.9rem 1rem;
  background: rgba(255, 255, 255, 0.76);
}

.nav-item,
.project-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  padding: 0.8rem 0.95rem;
  border-radius: 14px;
  background: transparent;
  color: var(--text);
  text-align: left;
}

.nav-item strong,
.project-item strong {
  color: var(--text-soft);
  font-size: 0.9rem;
}

.nav-item.active,
.project-item.active {
  background: rgba(220, 76, 62, 0.1);
  color: var(--accent-deep);
}

.nav-item.active strong,
.project-item.active strong {
  color: var(--accent-deep);
}

.sidebar-section__title,
.section-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-soft);
}

.storage-status {
  margin: 0;
  padding: 0.8rem 0.95rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(0, 0, 0, 0.04);
  line-height: 1.5;
  font-size: 0.92rem;
}

.main {
  padding: 2rem 2.2rem 2.4rem;
}

.main-header,
.main-actions,
.task-panel__header,
.task-row,
.task-row__main,
.task-row__head,
.task-row__meta,
.task-form__actions,
.quick-dates {
  display: flex;
  gap: 0.9rem;
}

.main-header {
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.main-header h1 {
  margin: 0.35rem 0 0.4rem;
  font-size: clamp(2.1rem, 3vw, 3.2rem);
}

.view-description {
  margin: 0;
  font-size: 1rem;
  line-height: 1.6;
}

.main-actions {
  align-items: end;
  flex-wrap: wrap;
}

.filter-field,
.field {
  display: grid;
  gap: 0.45rem;
}

.filter-field select,
.field input,
.field select {
  min-width: 160px;
  padding: 0.85rem 0.95rem;
}

.secondary-button,
.pill-button {
  border-radius: 12px;
  background: #fff;
  color: var(--text);
  padding: 0.84rem 0.95rem;
  border: 1px solid var(--border);
}

.text-button {
  background: transparent;
  color: var(--text-soft);
  padding: 0;
}

.composer-card,
.task-panel {
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(231, 223, 213, 0.9);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.composer-card {
  margin-bottom: 1.35rem;
  padding: 1.15rem;
}

.composer-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.composer-card__header strong {
  display: block;
  font-size: 1.1rem;
}

.composer-card__header p {
  margin: 0.3rem 0 0;
}

.task-form {
  display: grid;
  gap: 0.95rem;
}

.task-form > input,
.task-form > textarea {
  padding: 0.95rem 1rem;
}

.task-form > input {
  font-size: 1.06rem;
  font-weight: 600;
}

.task-form > textarea {
  resize: vertical;
  min-height: 88px;
}

.task-form__meta {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.task-form__actions {
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.quick-dates {
  flex-wrap: wrap;
}

.task-panel {
  padding: 1rem 1.15rem 0.7rem;
}

.task-panel__header {
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.8rem;
}

.task-list {
  display: grid;
}

.task-row {
  align-items: flex-start;
  justify-content: space-between;
  padding: 1rem 0;
  border-top: 1px solid #f0ebe5;
}

.task-row:first-child {
  border-top: none;
}

.task-row__main {
  align-items: flex-start;
  min-width: 0;
  flex: 1;
}

.task-check {
  position: relative;
  width: 1.45rem;
  height: 1.45rem;
  margin-top: 0.15rem;
}

.task-check input {
  position: absolute;
  inset: 0;
  opacity: 0;
}

.task-check span {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 1.5px solid #cdbfb2;
  background: #fff;
}

.task-check input:checked + span {
  border-color: var(--green);
  background: linear-gradient(135deg, var(--green), #57b37f);
}

.task-check input:checked + span::after {
  content: "";
  position: absolute;
  left: 0.38rem;
  top: 0.15rem;
  width: 0.36rem;
  height: 0.72rem;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.task-body {
  min-width: 0;
  display: grid;
  gap: 0.38rem;
}

.task-row__head {
  align-items: center;
  justify-content: flex-start;
  flex-wrap: wrap;
}

.task-title {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.4;
  word-break: break-word;
}

.task-row.is-completed .task-title {
  color: var(--text-soft);
  text-decoration: line-through;
}

.task-row.is-completed .task-notes {
  opacity: 0.8;
}

.task-notes {
  margin: 0;
  line-height: 1.55;
  white-space: pre-wrap;
}

.task-row__meta {
  align-items: center;
  flex-wrap: wrap;
}

.meta-chip,
.priority-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border-radius: 999px;
  padding: 0.36rem 0.7rem;
  background: var(--surface-soft);
  border: 1px solid #f0e8de;
  font-size: 0.85rem;
}

.priority-chip {
  font-weight: 700;
}

.priority-chip.priority-urgent {
  color: #b83c31;
  background: #fff1ee;
}

.priority-chip.priority-high {
  color: #b66a00;
  background: #fff6e8;
}

.priority-chip.priority-medium {
  color: #3e6ab2;
  background: #eef4ff;
}

.priority-chip.priority-low {
  color: #277349;
  background: #edf9f1;
}

.meta-chip.is-overdue {
  color: #b83c31;
}

.meta-chip.is-today {
  color: #b66a00;
}

.task-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.task-action {
  padding: 0.45rem 0;
  background: transparent;
  color: var(--text-soft);
}

.task-action.delete {
  color: var(--accent);
}

.empty-state {
  text-align: center;
  padding: 3rem 1rem 2.4rem;
}

.empty-state h2 {
  margin: 0 0 0.5rem;
  font-family: var(--font-title);
}

.toast {
  position: fixed;
  right: 1.2rem;
  bottom: 1.2rem;
  max-width: min(92vw, 360px);
  padding: 0.95rem 1rem;
  border-radius: 16px;
  background: rgba(35, 25, 18, 0.92);
  color: #fff;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
}

.toast.visible {
  opacity: 1;
  transform: translateY(0);
}

.hidden {
  display: none !important;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

  .sidebar {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .main {
    padding-top: 1.4rem;
  }
}

@media (max-width: 760px) {
  .main {
    padding: 1rem;
  }

  .main-header,
  .task-form__actions,
  .task-row,
  .task-row__main {
    flex-direction: column;
  }

  .task-form__meta {
    grid-template-columns: 1fr;
  }

  .main-actions {
    width: 100%;
  }

  .filter-field,
  .filter-field select,
  .secondary-button,
  .primary-button {
    width: 100%;
  }

  .task-actions {
    width: 100%;
    justify-content: flex-start;
  }
}