styles.css

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,500;1,600;1,700&display=swap');

:root {
  --font-editorial: 'Cormorant Garamond', 'PingFang SC', 'Microsoft YaHei', Georgia, 'Times New Roman', serif;
  --font-system: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  width: 360px;
  height: 600px;
  min-height: 500px;
  max-height: 600px;
  background: #ffffff;
  overflow: hidden;
}

body {
  width: 360px;
  height: 600px;
  min-height: 500px;
  max-height: 600px;
  font-family: var(--font-editorial);
  font-weight: 500;
  background: #ffffff;
  color: #333;
  display: flex;
  flex-direction: column;
  box-shadow: inset 0 0 0 1px transparent;
}

button,
input,
select,
textarea {
  font-family: var(--font-system);
}

.todo-input,
.form-input,
.select-display,
.select-option,
.form-group label,
.reminder-label,
.reminder-hint,
.todo-text,
.todo-meta,
.todo-due,
.empty-state {
  font-family: var(--font-system);
}

.container {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  min-height: 0;
  position: relative;
}

.header {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-bottom: 1px solid #e5e5e5;
}

h1 {
  font-size: 25px;
  font-weight: 700;
  font-style: italic;
  color: #2c3e50;
  max-width: 220px;
  line-height: 1.05;
  overflow-wrap: anywhere;
  cursor: text;
}

h1.editing {
  outline: none;
  border-radius: 4px;
  background: rgba(142, 142, 147, 0.12);
  padding: 0 3px;
}

.add-btn {
  width: 32px;
  height: 32px;
  border: none;
  background: #2c3e50;
  color: white;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  position: relative;
}

.add-btn .icon-plus {
  width: 18px;
  height: 18px;
  transition: all 0.2s;
}

.add-btn:hover {
  background: #1a252f;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.16s ease;
}

.header:hover .header-actions,
.header-actions:focus-within {
  opacity: 1;
  pointer-events: auto;
}

.bell-btn,
.eye-btn {
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  color: #2c3e50;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.eye-btn {
  opacity: 1;
  transition: background 0.2s, color 0.16s ease;
}

.eye-btn .eye-open-icon {
  display: none;
}

.eye-btn .eye-closed-icon {
  display: block;
}

.eye-btn.active {
  color: #111827;
  background: #edf0f3;
}

.eye-btn.active .eye-open-icon {
  display: block;
}

.eye-btn.active .eye-closed-icon {
  display: none;
}

.bell-btn:hover,
.eye-btn:hover {
  background: #f0f1f3;
}

.reminder-panel {
  position: absolute;
  top: 52px;
  right: 16px;
  width: 232px;
  background: #ffffff;
  border: 1px solid #e5e5e5;
  border-radius: 10px;
  box-shadow: 0 8px 26px rgba(0, 0, 0, 0.14);
  padding: 12px 14px;
  z-index: 200;
  animation: fadeIn 0.18s ease;
}

.reminder-panel.hidden {
  display: none;
}

.reminder-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.reminder-label {
  font-size: 13px;
  font-weight: 500;
  color: #2c3e50;
}

.time-select {
  display: flex;
  align-items: center;
  gap: 3px;
}

.time-field {
  border: 1px solid #d0d0d0;
  border-radius: 6px;
  padding: 4px 6px;
  font-size: 13px;
  font-family: var(--font-system);
  background: #fff;
  color: #2c3e50;
  cursor: pointer;
  outline: none;
}

.reminder-time-input {
  width: 76px;
  text-align: center;
  cursor: text;
  font-variant-numeric: tabular-nums;
}

.time-field:focus {
  border-color: #2c3e50;
}

.time-colon {
  font-family: var(--font-system);
  color: #2c3e50;
  font-weight: 600;
}

.reminder-hint {
  font-size: 11px;
  line-height: 1.45;
  color: #999;
  margin-top: 2px;
}

.switch {
  position: relative;
  display: inline-block;
  width: 38px;
  height: 22px;
  flex-shrink: 0;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  inset: 0;
  background: #ccc;
  border-radius: 22px;
  cursor: pointer;
  transition: background 0.2s;
}

.slider::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  left: 2px;
  top: 2px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  transition: transform 0.2s;
}

.switch input:checked + .slider {
  background: #34c759;
}

.switch input:checked + .slider::before {
  transform: translateX(16px);
}

.add-form,
.edit-form {
  padding: 12px 20px 16px;
  border-bottom: 1px solid #e5e5e5;
  overflow: visible;
}

.add-form.hidden,
.edit-form.hidden {
  display: none;
}

.add-form {
  animation: slideDown 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.todo-list .edit-form {
  padding: 0;
  margin: 0 0 8px;
  border-bottom: 0;
  animation: todoSlideIn 0.2s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.todo-input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #d0d0d0;
  border-radius: 6px;
  font-size: 13px;
  outline: none;
  margin-bottom: 8px;
  transition: all 0.2s;
}

.todo-input:focus {
  border-color: #2c3e50;
  box-shadow: 0 0 0 3px rgba(44, 62, 80, 0.1);
}

.extra-fields {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  transform: translateY(-10px);
}

.extra-fields.show {
  max-height: 200px;
  opacity: 1;
  transform: translateY(0);
  margin-bottom: 12px;
  overflow: visible;
  position: relative;
  z-index: 5;
}

.todo-input:focus ~ .extra-fields,
.extra-fields:focus-within {
  max-height: 200px;
  opacity: 1;
  transform: translateY(0);
  margin-bottom: 12px;
  overflow: visible;
}

.form-row {
  display: flex;
  gap: 10px;
}

.form-group {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 11px;
  color: #666;
  font-weight: 500;
}

.optional-label {
  color: #999;
  font-weight: 400;
}

.custom-select {
  position: relative;
}

.custom-select > select {
  display: none !important;
}

.select-display {
  width: 100%;
  padding: 8px 32px 8px 12px;
  border: 1px solid #d0d0d0;
  border-radius: 6px;
  font-size: 13px;
  background: white;
  cursor: pointer;
  transition: all 0.2s;
  user-select: none;
  position: relative;
}

.select-display::after {
  content: '';
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid #2c3e50;
  transition: transform 0.2s;
}

.select-display:hover {
  border-color: #999;
}

.select-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: white;
  border: 1px solid #d0d0d0;
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 100;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.select-dropdown.open {
  max-height: 200px;
  opacity: 1;
}

.select-option {
  padding: 10px 12px;
  font-size: 13px;
  cursor: pointer;
  transition: background 0.15s;
}

.select-option:hover {
  background: #f0f1f3;
}

.select-option:first-child {
  border-radius: 6px 6px 0 0;
}

.select-option:last-child {
  border-radius: 0 0 6px 6px;
}

.date-input-wrapper {
  position: relative;
}

.form-input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid #d0d0d0;
  border-radius: 6px;
  font-size: 13px;
  font-family: var(--font-system);
  outline: none;
  background: white;
  transition: all 0.2s;
  cursor: pointer;
}

.form-input:focus {
  border-color: #2c3e50;
  box-shadow: 0 0 0 3px rgba(44, 62, 80, 0.1);
}

.form-input[type="date"] {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  z-index: 2;
}

.form-input[type="date"]::-webkit-calendar-picker-indicator {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  cursor: pointer;
}

.calendar-icon {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  pointer-events: none;
  opacity: 0.6;
}

.date-clear-btn {
  position: absolute;
  right: 34px;
  top: 50%;
  width: 18px;
  height: 18px;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: #999;
  cursor: pointer;
  font-size: 16px;
  line-height: 18px;
  opacity: 0;
  transform: translateY(-50%);
  transition: opacity 0.16s ease, background 0.16s ease, color 0.16s ease;
  z-index: 3;
}

.date-input-wrapper:hover .date-clear-btn,
.date-clear-btn:focus-visible {
  opacity: 1;
}

.date-clear-btn:hover {
  background: #f0f1f3;
  color: #2c3e50;
}

.form-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  animation: fadeIn 0.3s ease-out 0.2s both;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.btn-save,
.btn-cancel {
  padding: 7px 18px;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
  font-weight: 500;
}

.btn-save {
  background: #2c3e50;
  color: white;
  min-width: 62px;
}

.btn-save:hover {
  background: #1a252f;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(44, 62, 80, 0.3);
}

.btn-cancel {
  background: #f5f5f5;
  color: #666;
  min-width: 62px;
}

.btn-cancel:hover {
  background: #e5e5e5;
}

.todo-list {
  flex: 1;
  overflow-y: auto;
  padding: 6px 14px;
  min-height: 0;
}

.todo-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px;
  margin-bottom: 8px;
  background: #f8f9fa;
  border-radius: 8px;
  border-left: 2px solid transparent;
  transition: all 0.3s;
  cursor: pointer;
  animation: todoSlideIn 0.3s ease-out;
}

@keyframes todoSlideIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.todo-item:hover {
  background: #f0f1f3;
  transform: translateX(2px);
}

.todo-item.completed {
  opacity: 0.6;
}

.todo-item.pinned {
  border-left-color: rgba(44, 62, 80, 0.45);
}

.todo-item.editing {
  display: none;
}

.todo-item.fading {
  opacity: 0;
  transform: translateX(20px);
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
  margin-bottom: 0;
  overflow: hidden;
}

.todo-item.overdue {
  border-left-color: rgba(231, 76, 60, 0.45);
}

.todo-checkbox {
  width: 18px;
  height: 18px;
  border: 2px solid #d0d0d0;
  border-radius: 50%;
  cursor: pointer;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  margin-top: 2px;
}

.todo-checkbox:hover {
  border-color: #2c3e50;
  transform: scale(1.1);
}

.todo-checkbox:focus-visible {
  outline: 2px solid #2c3e50;
  outline-offset: 2px;
  border-color: #2c3e50;
}

.todo-checkbox.checked {
  background: #2c3e50;
  border-color: #2c3e50;
  animation: checkPop 0.3s ease-out;
}

@keyframes checkPop {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.2);
  }
  100% {
    transform: scale(1);
  }
}

.todo-checkbox.checked::after {
  content: '✓';
  color: white;
  font-size: 12px;
  font-weight: bold;
}

.todo-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.todo-text {
  font-size: 16px;
  font-weight: 700;
  color: #2c3e50;
  word-wrap: break-word;
  line-height: 1.36;
}

.num {
  font-family: var(--font-system);
  font-style: normal;
  font-variant-numeric: tabular-nums;
}

.todo-item.completed .todo-text {
  text-decoration: line-through;
  color: #999;
}

.todo-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 12px;
  color: #666;
}

.todo-due {
  color: #666;
}

.todo-due.overdue {
  color: #e74c3c;
  font-weight: 500;
}

.todo-actions {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
  opacity: 0;
  transform: translateX(4px);
  transition: opacity 0.16s ease, transform 0.16s ease;
}

.todo-item:hover .todo-actions,
.todo-item:focus-within .todo-actions {
  opacity: 1;
  transform: translateX(0);
}

.pin-btn,
.delete-btn {
  width: 20px;
  height: 20px;
  border: none;
  background: transparent;
  color: #999;
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  flex-shrink: 0;
  transition: all 0.2s;
}

.pin-btn {
  display: flex;
  align-items: center;
  justify-content: center;
}

.pin-btn svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.pin-btn.active {
  color: #2c3e50;
  opacity: 0.65;
}

.pin-btn:hover {
  color: #2c3e50;
  transform: scale(1.12);
}

.delete-btn:hover {
  color: #e74c3c;
  transform: scale(1.2);
}

.empty-state {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #999;
  font-size: 13px;
  font-style: italic;
  padding: 40px 20px;
}

.empty-state.hidden {
  display: none;
}

.quote-footer {
  padding: 16px 20px 12px;
  text-align: center;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  cursor: default;
}

.quote-text {
  font-family: var(--font-editorial);
  font-style: italic;
  font-weight: 600;
  font-size: 19px;
  line-height: 1.14;
  color: #4a5563;
  max-width: 300px;
}

.quote-author {
  font-size: 12px;
  font-weight: 600;
  color: #4a5563;
  letter-spacing: 0.09em;
  opacity: 0.45;
}

.quote-footer.editing {
  cursor: text;
}

.quote-footer.editing .quote-text,
.quote-footer.editing .quote-author {
  min-width: 80px;
  outline: none;
  border-radius: 4px;
  padding: 1px 4px;
  background: rgba(142, 142, 147, 0.1);
  user-select: text;
}

::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: #d0d0d0;
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: #b0b0b0;
}

/* ===================== 暗色模式 (18:00–06:00) ===================== */
html[data-theme="dark"] {
  background: #1c1c1e;
}

[data-theme="dark"] body {
  background: #1c1c1e;
  color: #e8e8ea;
  box-shadow: inset 0 0 0 1px #1c1c1e;
}

[data-theme="dark"] .header,
[data-theme="dark"] .add-form,
[data-theme="dark"] .edit-form,
[data-theme="dark"] .quote-footer {
  color: #f2eee7;
}

[data-theme="dark"] h1 {
  color: #f5f5f7;
}

[data-theme="dark"] .add-btn,
[data-theme="dark"] .btn-save {
  background: #f5f5f7;
  color: #1c1c1e;
}

[data-theme="dark"] .add-btn:hover,
[data-theme="dark"] .btn-save:hover {
  background: #ffffff;
}

[data-theme="dark"] .todo-input,
[data-theme="dark"] .select-display,
[data-theme="dark"] .select-dropdown,
[data-theme="dark"] .form-input {
  background: #2c2c2e;
  border-color: #3a3a3c;
  color: #e8e8ea;
}

[data-theme="dark"] .todo-input:focus,
[data-theme="dark"] .form-input:focus {
  border-color: #f5f5f7;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .todo-input::placeholder {
  color: #8e8e93;
}

[data-theme="dark"] .form-group label {
  color: #aeaeb2;
}

[data-theme="dark"] .optional-label {
  color: #8e8e93;
}

[data-theme="dark"] .select-display::after {
  border-top-color: #f5f5f7;
}

[data-theme="dark"] .select-option:hover {
  background: #3a3a3c;
}

[data-theme="dark"] .todo-item {
  background: #2c2c2e;
}

[data-theme="dark"] .todo-item:hover {
  background: #3a3a3c;
}

[data-theme="dark"] .todo-item.overdue {
  border-left-color: rgba(255, 107, 107, 0.55);
}

[data-theme="dark"] .todo-item.pinned {
  border-left-color: rgba(245, 245, 247, 0.48);
}

[data-theme="dark"] .todo-text {
  color: #f5f5f7;
}

[data-theme="dark"] .todo-item.completed .todo-text {
  color: #8e8e93;
}

[data-theme="dark"] .todo-meta,
[data-theme="dark"] .todo-due {
  color: #aeaeb2;
}

[data-theme="dark"] .todo-due.overdue {
  color: #ff6b6b;
}

[data-theme="dark"] .todo-checkbox {
  border-color: #5a5a5e;
}

[data-theme="dark"] .todo-checkbox:hover {
  border-color: #f5f5f7;
}

[data-theme="dark"] .todo-checkbox:focus-visible {
  outline-color: #f5f5f7;
  border-color: #f5f5f7;
}

[data-theme="dark"] .todo-checkbox.checked {
  background: #f5f5f7;
  border-color: #f5f5f7;
}

[data-theme="dark"] .todo-checkbox.checked::after {
  color: #1c1c1e;
}

[data-theme="dark"] .pin-btn.active,
[data-theme="dark"] .pin-btn:hover {
  color: #f5f5f7;
}

[data-theme="dark"] .btn-cancel {
  background: #3a3a3c;
  color: #e8e8ea;
}

[data-theme="dark"] .btn-cancel:hover {
  background: #4a4a4e;
}

[data-theme="dark"] .date-clear-btn:hover {
  background: #3a3a3c;
  color: #f5f5f7;
}

[data-theme="dark"] .empty-state {
  color: #8e8e93;
}

[data-theme="dark"] .quote-text {
  color: #f2eee7;
}

[data-theme="dark"] .quote-author {
  color: #f2eee7;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.18);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.28);
}

[data-theme="dark"] .bell-btn,
[data-theme="dark"] .eye-btn {
  color: #f5f5f7;
}

[data-theme="dark"] .eye-btn.active {
  background: #3a3a3c;
  color: #ffffff;
}

[data-theme="dark"] .bell-btn:hover,
[data-theme="dark"] .eye-btn:hover {
  background: #3a3a3c;
}

[data-theme="dark"] .reminder-panel {
  background: #2c2c2e;
  border-color: #3a3a3c;
  box-shadow: 0 8px 26px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .reminder-label {
  color: #f5f5f7;
}

[data-theme="dark"] .time-field {
  background: #1c1c1e;
  border-color: #3a3a3c;
  color: #e8e8ea;
}

[data-theme="dark"] .time-colon {
  color: #e8e8ea;
}

[data-theme="dark"] .reminder-hint {
  color: #8e8e93;
}

[data-theme="dark"] .slider {
  background: #48484a;
}