:root {
  color-scheme: light;
  --bg: #f6f8f8;
  --panel: #ffffff;
  --ink: #172124;
  --muted: #647174;
  --line: #dbe3e4;
  --accent: #246a73;
  --accent-dark: #184e55;
  --accent-soft: #e3f0f1;
  --gold: #c48a25;
  --gold-soft: #fff2d8;
  --danger: #b43d3d;
  --danger-soft: #fde7e5;
  --shadow: 0 16px 40px rgba(23, 33, 36, 0.09);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #111719;
  --panel: #182124;
  --ink: #edf5f6;
  --muted: #9fb0b4;
  --line: #2d3b3f;
  --accent: #2f8792;
  --accent-dark: #9de0e7;
  --accent-soft: #15343a;
  --gold: #d39a2f;
  --gold-soft: #392a12;
  --danger: #ff8d86;
  --danger-soft: #3b1d1d;
  --shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
}

button,
input,
textarea {
  font: inherit;
}

button {
  min-height: 40px;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  padding: 0 14px;
}

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

button svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

input {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
  padding: 0 12px;
}

input:focus,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(36, 106, 115, 0.28);
  outline-offset: 2px;
}

h1,
h2,
p {
  margin: 0;
}

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

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
}

.login-card {
  width: min(420px, 100%);
  display: grid;
  gap: 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 22px;
}

.login-card h1 {
  font-size: 1.7rem;
}

.login-card button {
  width: 100%;
}

.login-error,
.notice.error {
  background: var(--danger-soft);
  border: 1px solid #f0b1ad;
  border-radius: 8px;
  color: var(--danger);
  padding: 10px 12px;
}

.mark,
.brand-mark {
  display: grid;
  gap: 5px;
}

.mark {
  width: 64px;
}

.mark span,
.brand-mark span {
  display: block;
  height: 8px;
  border-radius: 999px;
  background: var(--accent);
}

.mark span:nth-child(2),
.brand-mark span:nth-child(2) {
  width: 76%;
  background: var(--gold);
}

.mark span:nth-child(3),
.brand-mark span:nth-child(3) {
  width: 52%;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
  padding: 8px 12px;
}

:root[data-theme="dark"] .topbar {
  background: rgba(24, 33, 36, 0.94);
}

.header-actions {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.brand {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
}

.brand strong {
  font-size: 1.05rem;
}

.brand-mark {
  width: 34px;
}

.brand-mark span {
  height: 5px;
}

.logout-link {
  color: var(--muted);
  font-size: 0.78rem;
  text-decoration: none;
}

.logout-link:hover {
  color: var(--danger);
  text-decoration: underline;
}

.shell {
  width: min(980px, 100%);
  margin: 0 auto;
  padding: 14px 12px 28px;
}

.toolbar {
  display: block;
  align-items: start;
  margin-bottom: 10px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.stat {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  display: block;
  min-height: 0;
  padding: 9px 10px;
  text-align: left;
}

.stat strong {
  display: block;
  font-size: 1.28rem;
}

.stat span {
  color: var(--muted);
  font-size: 0.78rem;
}

.stat.active {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-dark);
}

.ghost {
  background: #edf2f2;
  color: var(--ink);
}

:root[data-theme="dark"] .ghost {
  background: #223033;
  color: var(--ink);
}

.danger-text {
  color: var(--danger);
}

.task-entry {
  display: grid;
  gap: 8px;
  margin-bottom: 10px;
}

.task-entry.hidden {
  display: none;
}

.header-icon-btn {
  width: 38px;
  min-height: 38px;
  padding: 0;
}

.header-icon-btn.active {
  background: var(--gold);
  color: #fff;
}

#toggle-theme.active {
  background: var(--accent-soft);
  color: var(--accent-dark);
}

.task-form {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr) auto;
  gap: 8px;
}

.task-form.hidden {
  display: none;
}

.task-form button {
  width: 42px;
  padding: 0;
}

.task-list {
  display: grid;
  gap: 8px;
}

.focus-banner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 34px 34px;
  align-items: center;
  gap: 8px;
  background: var(--gold-soft);
  border: 1px solid #e2bd6b;
  border-radius: 8px;
  padding: 9px;
}

.focus-banner span {
  display: block;
  color: #7a5519;
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
}

.focus-banner strong {
  display: block;
  overflow-wrap: anywhere;
  font-size: 1rem;
}

.focus-banner p {
  color: #7a5519;
  font-size: 0.8rem;
  margin-top: 2px;
  overflow-wrap: anywhere;
}

.focus-banner button {
  width: 34px;
  min-height: 34px;
  padding: 0;
}

.focus-banner button svg {
  width: 16px;
  height: 16px;
}

.task-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 22px rgba(23, 33, 36, 0.05);
  padding: 9px;
}

.task-card.completed {
  background: var(--panel);
}

.task-main {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
}

.check-btn,
.icon-btn {
  width: 38px;
  min-height: 38px;
  padding: 0;
}

.check-btn {
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--muted);
}

.check-btn.completed {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

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

.task-title strong {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-wrap: anywhere;
  font-size: 0.98rem;
}

.task-title strong .inline-waiting {
  flex: 0 0 30px;
}

.completed .task-title strong,
.subtask.completed span {
  color: var(--muted);
  text-decoration: line-through;
}

.task-title p {
  margin-top: 2px;
  color: var(--muted);
  overflow-wrap: anywhere;
}

.inline-link {
  color: var(--accent-dark);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 2px;
  overflow-wrap: anywhere;
}

.inline-link:hover {
  color: var(--gold);
}

.meta-row {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
  margin-top: 6px;
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 0.74rem;
  font-weight: 700;
  padding: 0 8px;
}

.chip.warning {
  background: var(--gold-soft);
  color: #7a5519;
}

.task-actions {
  display: flex;
  gap: 4px;
  align-items: center;
}

.task-menu {
  position: relative;
}

.task-menu summary {
  width: 38px;
  min-height: 38px;
  border-radius: 8px;
  background: #edf2f2;
  color: var(--accent-dark);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  list-style: none;
}

:root[data-theme="dark"] .task-menu summary {
  background: #223033;
  color: var(--accent-dark);
}

.task-actions .icon-btn,
.task-menu summary {
  flex: 0 0 38px;
  height: 38px;
}

.task-actions .icon-btn svg,
.task-menu summary svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.task-menu summary:hover {
  background: var(--accent-soft);
}

:root[data-theme="dark"] .task-actions .icon-btn:hover,
:root[data-theme="dark"] .task-menu summary:hover,
:root[data-theme="dark"] .subtask-actions .icon-btn:hover {
  background: var(--accent-soft);
}

.task-menu summary::-webkit-details-marker {
  display: none;
}

.menu-panel {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  z-index: 12;
  width: min(320px, calc(100vw - 28px));
  display: grid;
  gap: 8px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 8px;
}

.edit-form {
  display: grid;
  gap: 8px;
}

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

.subtasks {
  display: grid;
  gap: 5px;
  margin: 8px 0 0 46px;
}

.subtask {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 5px;
}

.subtask.forced {
  border-color: var(--gold);
  background: var(--gold-soft);
}

.subtask.blocked {
  opacity: 0.78;
}

.subtask span {
  overflow-wrap: anywhere;
}

.subtask-title {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.subtask-title .inline-waiting {
  flex: 0 0 30px;
}

.subtask .check-btn,
.subtask .icon-btn {
  width: 30px;
  min-height: 30px;
  border-radius: 7px;
}

.subtask-actions {
  display: flex;
  align-items: center;
  gap: 5px;
}

.waiting-icon-btn {
  width: 30px;
  min-height: 30px;
  border: 0;
  border-radius: 7px;
  background: var(--danger-soft);
  color: var(--danger);
  padding: 0;
}

.waiting-icon-btn svg {
  width: 15px;
  height: 15px;
}

.subtask-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px;
  margin: 8px 0 0 46px;
}

.subtask-form.hidden {
  display: none;
}

.subtask-form input {
  min-height: 38px;
}

.subtask-form button {
  width: 38px;
  min-height: 38px;
  padding: 0;
}

.empty-state {
  background: var(--panel);
  border: 1px dashed #c6d1d3;
  border-radius: 8px;
  color: var(--muted);
  padding: 22px;
  text-align: center;
}

#toast {
  position: fixed;
  left: 50%;
  bottom: 18px;
  max-width: calc(100% - 28px);
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  opacity: 0;
  pointer-events: none;
  padding: 12px 14px;
  transform: translateX(-50%) translateY(20px);
  transition: 160ms ease;
  z-index: 30;
}

#toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (max-width: 760px) {
  .topbar {
    grid-template-columns: minmax(0, 1fr) auto;
    padding: 7px 10px;
  }

  .logout-link {
    font-size: 0.72rem;
  }

  .shell {
    padding: 10px 8px 18px;
  }

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

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

  .stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 5px;
  }

  .stat {
    padding: 7px 6px;
  }

  .stat strong {
    font-size: 1.08rem;
  }

  .stat span {
    font-size: 0.68rem;
  }

  .task-form button {
    width: 100%;
  }

  .task-card {
    padding: 8px;
  }

  .task-main {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 6px;
    align-items: center;
  }

  .task-actions {
    flex-direction: row;
  }

  .focus-banner {
    grid-template-columns: minmax(0, 1fr) 34px 34px;
  }

  .subtasks,
  .subtask-form {
    margin-left: 0;
  }

  .subtask-form {
    grid-template-columns: minmax(0, 1fr) 38px;
  }
}