:root {
  color-scheme: light;
  --background: #f4f7f6;
  --surface: #ffffff;
  --surface-strong: #fbfcfc;
  --ink: #1f2724;
  --muted: #65736f;
  --line: #d8e0dd;
  --accent: #1d766f;
  --accent-strong: #155c56;
  --danger: #b94735;
  --shadow: 0 18px 40px rgba(35, 32, 24, 0.10);
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  background: var(--background);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

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

.app-shell {
  width: min(820px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 48px;
}

.topbar,
.list-header,
.composer-actions,
.task-row,
.filters {
  display: flex;
  align-items: center;
}

.topbar {
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: 4.2rem;
  line-height: 0.95;
}

h2 {
  font-size: 1.45rem;
}

.status-pill {
  min-width: 112px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  background: var(--surface);
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
  text-align: center;
}

.status-pill.is-online {
  border-color: rgba(29, 118, 111, 0.28);
  color: var(--accent-strong);
}

.status-pill.is-offline {
  border-color: rgba(185, 71, 53, 0.32);
  color: var(--danger);
}

.composer,
.list-section {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.composer {
  padding: 16px;
  margin-bottom: 18px;
}

textarea {
  display: block;
  width: 100%;
  min-height: 104px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 14px;
  background: var(--surface-strong);
  color: var(--ink);
  outline: none;
}

textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(29, 118, 111, 0.16);
}

.composer-actions {
  justify-content: flex-end;
  gap: 10px;
  margin-top: 12px;
}

.icon-button,
.primary-button,
.filter-button,
.delete-button {
  height: 42px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 800;
}

.icon-button {
  width: 42px;
  display: grid;
  place-items: center;
  background: var(--surface-strong);
  border-color: var(--line);
  color: var(--accent);
}

.icon-button svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.mic-button.is-listening {
  background: var(--danger);
  color: #fff;
}

.primary-button {
  min-width: 112px;
  padding: 0 18px;
  background: var(--accent);
  color: #fff;
}

.primary-button:hover:not(:disabled) {
  background: var(--accent-strong);
}

.speech-status {
  min-height: 20px;
  margin: 10px 2px 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.list-section {
  padding: 18px;
}

.list-header {
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.filters {
  gap: 6px;
}

.filter-button {
  padding: 0 12px;
  background: transparent;
  border-color: var(--line);
  color: var(--muted);
}

.filter-button.is-active {
  background: var(--ink);
  color: #fff;
}

.task-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.task-row {
  min-height: 58px;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 10px 10px 12px;
  background: var(--surface-strong);
}

.task-row input[type="checkbox"] {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  accent-color: var(--accent);
}

.task-title {
  flex: 1;
  min-width: 0;
  overflow-wrap: anywhere;
  font-weight: 700;
}

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

.delete-button {
  width: 42px;
  flex: 0 0 auto;
  background: transparent;
  border-color: transparent;
  color: var(--danger);
  font-size: 1.25rem;
}

.delete-button:hover {
  border-color: rgba(185, 71, 53, 0.25);
  background: rgba(185, 71, 53, 0.08);
}

.empty-state {
  margin: 24px 0 10px;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 640px) {
  .app-shell {
    width: min(100% - 20px, 820px);
    padding-top: 18px;
  }

  .topbar,
  .list-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .status-pill {
    min-width: 0;
  }

  h1 {
    font-size: 3rem;
  }

  .filters {
    width: 100%;
  }

  .filter-button {
    flex: 1;
    padding-inline: 8px;
  }
}