/* 可复用交互控件、环境设置与历史面板 */

.icon-button { padding: 9px 14px; border: 1px solid var(--line); border-radius: 8px; color: var(--ink); background: var(--glass); transition: opacity .2s ease; }

.mobile-todo-link { display: none; text-decoration: none; font-weight: 700; line-height: 1; }

.todo-page-link { text-decoration: none; }

.icon-button:hover { opacity: .75; }

.icon-button svg { display: block; }

.language-dropdown { position: absolute; top: calc(100% + 8px); right: 0; min-width: 140px; padding: 6px; border: 1px solid var(--line); border-radius: 8px; background: var(--glass); box-shadow: 0 4px 12px rgb(0 0 0 / .1); z-index: 100; }

.language-dropdown[hidden] { display: none; }

.language-option { display: block; width: 100%; padding: 8px 12px; border: 0; border-radius: 6px; color: var(--ink); background: transparent; text-align: left; font-size: .88rem; transition: background .2s ease; }

.language-option:hover { background: var(--line); }

.language-option.active { background: var(--blue); color: white; }

@supports (container-type: inline-size) {
  .timer-stage { container-type: inline-size; container-name: timer-stage; }
}

/* 计时文本依据舞台实际宽度缩放，不依赖设备型号或视口宽度。 */
@supports (container-type: inline-size) {
  #pomodoro-view .remaining-time { font-size: clamp(4.5rem, 22cqi, 9.5rem); }
  #stopwatch-time.remaining-time { font-size: clamp(2.75rem, 18cqi, 7rem); letter-spacing: 0; }

  @container timer-stage (max-width: 359px) {
    #pomodoro-view .remaining-time { font-size: clamp(3.75rem, 20cqi, 4.5rem); }
    #stopwatch-time.remaining-time { font-size: clamp(1.35rem, 8cqi, 2rem); }
  }

  @container timer-stage (min-width: 360px) and (max-width: 559px) {
    #pomodoro-view .remaining-time { font-size: clamp(4.5rem, 20cqi, 7rem); }
    #stopwatch-time.remaining-time { font-size: clamp(2.75rem, 17cqi, 5.75rem); }
  }
}

.task-icon { padding-top: 2px; color: var(--blue); }

.button { min-width: 142px; padding: 13px 22px; border: 0; border-radius: 8px; font-weight: 600; transition: opacity .2s ease; }

.button:hover:not(:disabled) { opacity: .85; }

.button:disabled { opacity: .4; }

.button-primary { color: white; background: #007aff; }

.button-quiet { color: var(--ink); background: var(--line); }

.button-success { color: white; background: #10b981; }

.button-success:hover:not(:disabled) { opacity: .85; }

.button-danger-fill { color: white; background: var(--danger); }

.button-danger-fill:hover:not(:disabled) { opacity: .85; }

.text-button { padding: 4px 0; border: 0; color: var(--muted); background: transparent; }

.text-button:hover:not(:disabled) { color: var(--ink); }

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

/* 环境控制 */
/* 环境与设置区域 */
.environment-panel { align-self: stretch; padding-top: 10px; }

.panel-label { display: flex; align-items: center; gap: 12px; color: var(--faint); font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; }

.panel-line { flex: 1; border-top: 1px solid var(--line); }

.sound-control { display: grid; grid-template-columns: auto 1fr auto; gap: 13px; align-items: center; margin-top: 20px; }

.sound-icon { display: grid; width: 39px; height: 39px; place-items: center; border: 1px solid var(--line); border-radius: 12px; color: var(--blue); background: var(--glass); }

.sound-glyph { width: 20px; height: 20px; background: var(--blue); mask: center / contain no-repeat; -webkit-mask: center / contain no-repeat; }

.sound-glyph svg { width: 100%; height: 100%; color: var(--blue); }

.sound-icon-alert { mask-image: url('../assets/icons/notice-active.svg'); -webkit-mask-image: url('../assets/icons/notice-active.svg'); }

.sound-icon-stopwatch { mask-image: url('../assets/icons/hourglass.svg'); -webkit-mask-image: url('../assets/icons/hourglass.svg'); }

.sound-icon-wallpaper { mask-image: url('../assets/icons/wallpaper.svg'); -webkit-mask-image: url('../assets/icons/wallpaper.svg'); }

.sound-icon-color-swatch { mask-image: url('../assets/icons/color-swatch.svg'); -webkit-mask-image: url('../assets/icons/color-swatch.svg'); }

.sound-icon-volume { mask-image: url('../assets/icons/sound.svg'); -webkit-mask-image: url('../assets/icons/sound.svg'); }

.sound-control strong { font-size: .91rem; font-weight: 600; }

.sound-control p { margin: 4px 0 0; color: var(--muted); font-size: .75rem; }

.sound-control-content { display: grid; grid-template-columns: 92px minmax(0, 160px); gap: 12px; align-items: center; }

.sound-control-content strong { min-width: 0; }

.custom-select-wrapper { position: relative; }

.custom-select-trigger { display: flex; align-items: center; justify-content: space-between; width: min(160px, 100%); padding: 4px 8px; border: 1px solid var(--line); border-radius: 6px; color: var(--ink); background: var(--glass); font-size: .8rem; cursor: pointer; transition: border-color .2s ease; }

.custom-select-trigger > span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.custom-select-trigger > svg { flex: 0 0 auto; }

.custom-select-trigger:hover { border-color: var(--muted); }

.custom-select-trigger svg { margin-left: 8px; color: var(--muted); transition: transform .2s ease; }

.custom-select-trigger[aria-expanded="true"] svg { transform: rotate(180deg); }

.custom-select-dropdown { position: absolute; top: calc(100% + 4px); left: 0; z-index: 100; min-width: 180px; padding: 6px; border: 1px solid var(--line); border-radius: 8px; background: var(--glass); box-shadow: 0 4px 12px rgb(0 0 0 / .15); }

.custom-select-dropdown[hidden] { display: none; }

.custom-select-option { display: flex; align-items: center; justify-content: space-between; padding: 8px 10px; border-radius: 6px; cursor: pointer; transition: background .2s ease; }

.custom-select-option:hover { background: var(--line); }

.custom-select-option.selected { background: var(--blue); color: white; }

.custom-select-option span { flex: 1; font-size: .85rem; }

.option-preview-btn { display: flex; align-items: center; justify-content: center; width: 24px; height: 24px; padding: 0; border: 1px solid var(--line); border-radius: 4px; color: var(--blue); background: var(--glass); font-size: .7rem; cursor: pointer; transition: all .2s ease; }

.option-preview-btn:hover { background: var(--blue); color: white; transform: scale(1.1); }

.custom-select-option.selected .option-preview-btn { border-color: rgba(255,255,255,.3); color: white; background: rgba(255,255,255,.15); }

.custom-select-option.selected .option-preview-btn:hover { background: rgba(255,255,255,.25); }

.sound-select-wrapper { display: flex; gap: 6px; align-items: center; margin-top: 4px; }

.sound-select { width: auto; min-width: 110px; max-width: 160px; padding: 4px 24px 4px 8px; border: 1px solid var(--line); border-radius: 6px; color: var(--ink); background: var(--glass); font-size: .8rem; cursor: pointer; appearance: none; background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%23888888' stroke-width='1.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 8px center; transition: border-color .2s ease; }

.sound-select:hover { border-color: var(--muted); }

.sound-select:focus { outline: none; border-color: var(--blue); }

.preview-sound-button { display: flex; align-items: center; justify-content: center; width: 28px; height: 28px; padding: 0; border: 1px solid var(--line); border-radius: 6px; color: var(--blue); background: var(--glass); cursor: pointer; transition: all .2s ease; }

.preview-sound-button:hover { background: var(--line); transform: scale(1.05); }

.preview-sound-button:active { transform: scale(0.95); }

.switch input { position: absolute; opacity: 0; }

.switch span { display: block; position: relative; width: 38px; height: 23px; border-radius: 999px; background: var(--line); transition: .2s; }

.switch span::after { position: absolute; top: 3px; left: 3px; width: 17px; height: 17px; border-radius: 50%; content: ''; background: white; transition: .2s; }

.switch input:checked + span { background: var(--blue); }

.switch input:checked + span::after { transform: translateX(15px); }

.volume-control { display: grid; grid-template-columns: auto 1fr auto; gap: 10px; align-items: center; margin-top: 18px; color: var(--muted); font-size: .76rem; }

.volume-control input { width: 100%; accent-color: var(--blue); }

.volume-control output { width: 32px; text-align: right; }

.wallpaper-control { margin-top: 20px; }

.wallpaper-theme-control { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 13px; align-items: center; margin-top: 18px; }

.wallpaper-options { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 0 52px; align-items: center; }

.wallpaper-theme-control .wallpaper-options { margin: 0; }

.wallpaper-option:disabled { cursor: not-allowed; opacity: .45; }

.wallpaper-option { padding: 7px 10px; border: 1px solid var(--line); border-radius: 8px; color: var(--muted); background: var(--glass); font-size: .74rem; transition: opacity .2s ease; }

.wallpaper-option:hover, .wallpaper-option[aria-pressed="true"] { border-color: var(--blue); color: var(--blue); background: var(--glass); }

.environment-note { margin-top: 52px; padding-top: 14px; border-top: 1px solid var(--line); color: var(--faint); font-size: .78rem; line-height: 1.55; }

.quick-settings { display: grid; gap: 8px; margin-top: 20px; }

.quick-setting { justify-content: space-between; width: 100%; padding: 10px 0; border: 0; border-bottom: 1px solid var(--line); color: var(--muted); background: transparent; text-align: left; transition: opacity .2s ease; }

.quick-setting:hover { opacity: .7; }

.quick-setting strong { color: var(--ink); font-size: .82rem; font-weight: 500; }

/* 设置面板与历史记录 */
.panel { width: min(100%, 520px); margin: 32px auto 0; padding: 20px; border: 1px solid var(--line); border-radius: 18px; background: var(--glass); backdrop-filter: none; }

.panel h2 { margin: 0 0 16px; font-size: 1.02rem; }

#settings-panel { width: min(100%, 430px); padding: 16px; }

.settings-hint { margin: -4px 0 0; color: var(--faint); font-size: .72rem; line-height: 1.45; }

.alert-volume-field { grid-template-columns: 1fr auto; align-items: center; }

.alert-volume-field input[type="range"] { width: 100%; accent-color: var(--blue); }

.alert-volume-field output { color: var(--muted); font-size: .76rem; }

#history-panel { width: min(100%, 720px); }

/* 标题与主操作共享同一行，间距由标题栏而不是标题自身承担。 */
#history-panel .panel-heading { margin-bottom: 16px; }

#history-panel .panel-heading h2 { margin: 0; }

.panel-heading { justify-content: space-between; gap: 16px; }

.panel-actions { display: flex; gap: 12px; align-items: center; }

.restore-dropdown { position: absolute; top: 100%; right: 0; margin-top: 8px; padding: 8px; border: 1px solid var(--line); border-radius: 8px; background: var(--glass); box-shadow: 0 4px 12px rgb(0 0 0 / .15); z-index: 10; min-width: 160px; }

.restore-dropdown[hidden] { display: none; }

.restore-option { display: block; width: 100%; padding: 8px 12px; border: 0; border-radius: 6px; color: var(--ink); background: transparent; font-size: .85rem; text-align: left; cursor: pointer; transition: background .2s ease; }

.restore-option:hover { background: var(--line); }

.settings-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }

.settings-grid[hidden] { display: none; }

.settings-grid label { display: grid; gap: 7px; color: var(--muted); font-size: .8rem; }

.settings-grid input[type="number"], .settings-grid input[type="text"] { width: 100%; max-width: 120px; padding: 8px; border: 1px solid var(--line); border-radius: 8px; color: var(--ink); background: var(--glass); }

/* 分钟字段上限为两位数，只为步进控件保留必要空间。 */
#settings-panel :is(#work-minutes, #break-minutes),
:is(#zen-work-minutes, #zen-break-minutes) { box-sizing: border-box; width: 5.5rem; max-width: 100%; }

.input-hint { display: block; margin-top: 4px; color: var(--faint); font-size: .7rem; }

.settings-grid select { width: auto; min-width: 160px; max-width: 200px; padding: 8px 32px 8px 10px; border: 1px solid var(--line); border-radius: 8px; color: var(--ink); background: var(--glass); font-size: .88rem; cursor: pointer; appearance: none; background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23888888' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 10px center; transition: border-color .2s ease; }

.settings-grid select:hover { border-color: var(--muted); }

.settings-grid select:focus { outline: none; border-color: var(--blue); }

/* 统一选择组件：原生 select 保留值与事件契约，视觉和交互由自定义 listbox 接管。 */
.ui-select { position: relative; display: inline-block; width: min(100%, 200px); min-width: 160px; }
.ui-select-native { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.ui-select-trigger { display: flex; align-items: center; justify-content: space-between; width: 100%; min-height: 38px; padding: 8px 34px 8px 10px; border: 1px solid var(--line); border-radius: 8px; color: var(--ink); background: var(--glass); font: inherit; text-align: left; cursor: pointer; transition: border-color .2s ease, box-shadow .2s ease; }
.ui-select-trigger::after { position: absolute; right: 12px; width: 8px; height: 8px; border-right: 1.5px solid var(--muted); border-bottom: 1.5px solid var(--muted); content: ''; transform: rotate(45deg) translateY(-2px); transition: transform .2s ease; pointer-events: none; }
.ui-select-trigger:hover { border-color: var(--muted); }
/* 焦点环独立于主题主色，保证在浅色、壁纸和深色背景上均可辨识。 */
.ui-select-trigger:focus-visible { outline: 3px solid #005fcc; outline-offset: 2px; border-color: #005fcc; box-shadow: 0 0 0 2px var(--glass); }
.ui-select-trigger[aria-expanded="true"]::after { transform: rotate(225deg) translateY(-2px); }
.ui-select-trigger:disabled { cursor: not-allowed; opacity: .55; }
.ui-select-listbox { position: absolute; top: calc(100% + 6px); left: 0; z-index: 120; display: grid; box-sizing: border-box; min-width: 100%; max-width: min(320px, calc(100vw - 32px)); max-height: min(280px, 45dvh); padding: 5px; border: 1px solid var(--line); border-radius: 10px; background: var(--glass); box-shadow: 0 10px 26px rgb(0 0 0 / .16); overflow-y: auto; }
.ui-select-listbox[hidden] { display: none; }
.ui-select-option { box-sizing: border-box; width: 100%; padding: 9px 10px; border: 0; border-radius: 6px; color: var(--ink); background: transparent; font: inherit; text-align: left; white-space: nowrap; cursor: pointer; }
.ui-select-option:hover, .ui-select-option:focus-visible { outline: none; background: var(--line); }
.ui-select-option.is-selected { color: var(--glass); background: var(--blue); }
.ui-select-option:disabled { cursor: not-allowed; opacity: .45; }
.settings-grid .ui-select,
.zen-settings-content .ui-select { width: fit-content; min-width: 0; max-width: 100%; }
.settings-grid .ui-select-trigger,
.zen-settings-content .ui-select-trigger { width: auto; min-width: 0; }

.toggle-field { display: flex !important; align-items: center; gap: 8px; }

.restore-dropdown { position: absolute; top: calc(100% + 8px); right: 0; z-index: 10; min-width: 160px; padding: 8px; border: 1px solid var(--line); border-radius: 8px; background: var(--glass); box-shadow: 0 4px 12px rgb(0 0 0 / .15); }

.restore-dropdown[hidden] { display: none; }

.history-list { display: grid; gap: 6px; margin: 0; padding: 12px; list-style: none; max-height: clamp(360px, 44vh, 560px); overflow-y: auto; }

.history-list::-webkit-scrollbar { width: 8px; }

.history-list::-webkit-scrollbar-track { background: var(--glass); border-radius: 4px; }

.history-list::-webkit-scrollbar-thumb { background: var(--line); border-radius: 4px; }

.history-list::-webkit-scrollbar-thumb:hover { background: var(--muted); }

.history-list li { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 10px 12px; border-radius: 8px; color: var(--muted); background: var(--glass); border: 1px solid var(--line); border-left: 3px solid transparent; font-size: .82rem; line-height: 1.4; }

.history-list li .history-icon { flex-shrink: 0; display: grid; place-items: center; width: 32px; height: 32px; border: 1px solid var(--line); border-radius: 8px; background: var(--glass); margin-right: 8px; }

.history-list li .history-icon svg { display: block; width: 18px; height: 18px; }

.history-list .completed { opacity: 1; }

.history-list .stopped { opacity: .7; }

.history-list li .history-icon { flex-shrink: 0; display: grid; place-items: center; width: 32px; height: 32px; border: 1px solid var(--line); border-radius: 8px; background: var(--glass); }

.history-list li .history-icon svg { display: block; width: 18px; height: 18px; }

.history-content { display: flex; align-items: center; gap: 8px; flex: 1; min-width: 0; word-break: break-word; }

.history-delete { padding: 4px 10px; border: 1px solid var(--line); border-radius: 6px; color: var(--danger); background: var(--glass); font-size: .72rem; white-space: nowrap; transition: opacity .2s ease; }

.history-delete:hover { opacity: .7; }

.guide-list { display: grid; gap: 11px; margin: 0; padding-left: 1.25rem; color: var(--muted); line-height: 1.6; }

/* 秒表与历史列表的局部样式 */
.stopwatch-display { display: flex; flex-direction: column; align-items: center; gap: 20px; }

.stopwatch-time,
#stopwatch-time { display: block; font-size: clamp(1.5rem, 5vw, 3.8rem); font-weight: 300; letter-spacing: 0; line-height: 1; font-variant-numeric: tabular-nums; color: var(--ink); max-width: 100%; }

.stopwatch-actions { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }

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

/* 简单去做：事项按决策优先级组织，不和计时状态共享数据。 */
/* 简单去做独占中部工作区，环境设置仅服务于计时模式。 */
.workspace.is-simple-do { grid-template-columns: minmax(180px, .7fr) minmax(0, 1.8fr); }

.workspace.is-simple-do .environment-panel { display: none; }

.workspace.is-simple-do .timer-stage { padding-right: 0; }

@media (min-width: 901px) {
  .workspace.is-simple-do { display: block; position: relative; }

  .workspace.is-simple-do .side-rail { position: absolute; top: 10px; left: 0; width: 180px; }

  .workspace.is-simple-do .timer-stage { width: min(100%, 720px); margin-inline: auto; padding: 0; }

  /* 三个视图共享 flex 父容器，避免列表模式回退到 block 后发生外边距折叠。 */
  body.todo-mode .simple-do-screen { display: flex; flex-direction: column; min-height: 0; }
  body.todo-mode .simple-do-view { display: flex; flex-direction: column; min-height: 0; }

  /* 总览和看板占用可视工作区；全部事项按自身内容自然延展。 */
  body.todo-mode:not(.simple-do-list-mode) .simple-do-screen { height: calc(100dvh - 96px); }
  body.todo-mode:not(.simple-do-list-mode) .simple-do-view { flex: 1 1 auto; overflow: hidden; }
  body.todo-mode:not(.simple-do-list-mode) .simple-do-grid { flex: 1 1 auto; min-height: 0; grid-template-rows: repeat(2, minmax(0, 1fr)); }
  body.todo-mode:not(.simple-do-list-mode) .simple-do-quadrant { height: 100%; max-height: none; }
  body.todo-mode:not(.simple-do-list-mode) .simple-do-list { max-height: none; }
  
  /* 三个视图的标题区使用同一顶部留白。 */
  body.todo-mode .simple-do-intro { padding-top: 24px; margin-bottom: 18px; }
}

/* 待办页面不承载计时状态，避免共享状态栏进入该视图。 */
body.todo-mode .stage-heading { display: none; }

.simple-do-view { text-align: left; }

.simple-do-intro { margin-bottom: 18px; text-align: center; }

.simple-do-intro-heading { display: flex; align-items: center; justify-content: center; }

.simple-do-view-controls { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); align-items: center; gap: 12px; margin-top: 12px; }

.simple-do-view-controls-spacer { grid-column: 1; }

.simple-do-view-actions { grid-column: 3; justify-self: end; display: flex; align-items: center; gap: 8px; }

.simple-do-view-tabs { grid-column: 2; display: inline-flex; padding: 3px; border: 1px solid var(--line); border-radius: 8px; background: color-mix(in srgb, var(--glass) 88%, var(--line)); }

.simple-do-view-tab { padding: 5px 9px; border: 0; border-radius: 5px; color: var(--muted); background: transparent; font-size: .76rem; }

.simple-do-view-tab[aria-pressed="true"] { color: var(--glass); background: var(--blue); }

.simple-do-intro h2 { margin: 0; font-size: 1.25rem; }

.simple-do-view-actions { grid-column: 3; justify-self: end; display: flex; align-items: center; gap: 8px; }

.simple-do-history-toggle { display: flex; align-items: center; gap: 6px; min-height: 34px; margin: 0; padding: 6px 10px; border: 1px solid var(--line); border-radius: 7px; color: var(--muted); background: var(--glass); font-size: .78rem; }
.simple-do-view-actions .simple-do-exit { display: flex; width: 34px; height: 34px; margin: 0; flex: 0 0 34px; }
.simple-do-history-toggle-icon { display: block; width: 16px; height: 16px; flex: 0 0 16px; color: var(--blue); }
.simple-do-history-toggle-icon svg { display: block; width: 100%; height: 100%; }

.simple-do-intro p { margin: 7px 0 0; color: var(--muted); font-size: .86rem; }

.simple-do-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); grid-auto-rows: auto; align-items: start; gap: 18px; padding-top: 14px; }

.simple-do-all-view { width: min(100%, 980px); margin: 0 auto; }

.simple-do-all-controls { display: flex; justify-content: center; gap: 10px; margin-top: 4px; margin-bottom: 18px; }

.simple-do-all-controls input { flex: 0 1 280px; width: clamp(200px, 26vw, 280px); min-width: 0; min-height: 38px; padding: 8px 11px; border: 1px solid var(--line); border-radius: 8px; color: var(--ink); background: var(--glass); }

.simple-do-all-controls select { min-width: 138px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; color: var(--ink); background: var(--glass); }
.simple-do-all-controls .ui-select { width: 138px; min-width: 138px; }

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

.simple-do-all-item { display: grid; grid-template-columns: auto minmax(0, 1fr) auto auto; gap: 14px; align-items: center; min-height: 54px; padding: 9px 12px; border: 1px solid var(--line); border-radius: 10px; background: color-mix(in srgb, var(--glass) 86%, var(--line)); }

.simple-do-all-title { min-width: 0; overflow-wrap: anywhere; font-size: .92rem; line-height: 1.45; }

.simple-do-all-quadrant { padding: 4px 8px; border-radius: 999px; color: var(--quadrant-color); background: color-mix(in srgb, var(--quadrant-color) 12%, transparent); font-size: .76rem; white-space: nowrap; }

.simple-do-all-quadrant.q1 { --quadrant-color: #ef4444; }
.simple-do-all-quadrant.q2 { --quadrant-color: #10b981; }
.simple-do-all-quadrant.q3 { --quadrant-color: #f59e0b; }
.simple-do-all-quadrant.q4 { --quadrant-color: #94a3b8; }

.simple-do-quadrant { display: flex; flex-direction: column; min-height: 0; max-height: 440px; padding: 14px; border: 1px solid var(--line); border-top: 4px solid var(--quadrant-color); border-radius: 14px; background: var(--glass); overflow: hidden; }

.simple-do-quadrant.q1 { --quadrant-color: #ef4444; }
.simple-do-quadrant.q2 { --quadrant-color: #10b981; }
.simple-do-quadrant.q3 { --quadrant-color: #f59e0b; }
.simple-do-quadrant.q4 { --quadrant-color: #94a3b8; }

.simple-do-heading { display: flex; flex: 0 0 auto; align-items: flex-start; justify-content: space-between; gap: 10px; }

.simple-do-heading-actions { display: flex; align-items: center; gap: 8px; }

.simple-do-clear-quadrant { min-height: 28px; padding: 4px 8px; border: 1px solid color-mix(in srgb, var(--danger) 76%, transparent); border-radius: 6px; color: var(--danger); background: color-mix(in srgb, var(--danger) 12%, var(--glass)); font-size: .72rem; font-weight: 600; white-space: nowrap; transition: background .2s ease, border-color .2s ease, color .2s ease; }

.simple-do-clear-quadrant:hover:not(:disabled) { border-color: var(--danger); color: white; background: var(--danger); }

.simple-do-clear-quadrant:disabled { cursor: not-allowed; opacity: .42; }

.simple-do-heading h2 { margin: 0; font-size: 1rem; }

.simple-do-heading p { margin: 5px 0 0; color: var(--muted); font-size: .8rem; }

.simple-do-count { display: grid; width: 26px; height: 26px; place-items: center; border-radius: 50%; color: var(--quadrant-color); background: color-mix(in srgb, var(--quadrant-color) 12%, transparent); font-size: .76rem; font-weight: 700; }

.simple-do-list { display: grid; grid-auto-rows: 46px; align-content: start; flex: 1 1 auto; min-height: 0; max-height: 282px; gap: 6px; margin: 10px 0; padding: 0 4px 0 0; overflow-y: auto; scrollbar-width: thin; scrollbar-color: var(--line) transparent; list-style: none; }

.simple-do-list::-webkit-scrollbar { width: 7px; }

.simple-do-list::-webkit-scrollbar-thumb { border-radius: 999px; background: var(--line); }

.simple-do-list::-webkit-scrollbar-thumb:hover { background: var(--muted); }

.simple-do-item { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 10px; align-items: center; width: 100%; height: 46px; padding: 6px 10px; border: 1px solid var(--line); border-radius: 10px; background: color-mix(in srgb, var(--glass) 86%, var(--line)); overflow: hidden; }

.simple-do-item.completed { opacity: .64; }

.simple-do-item.completed .simple-do-item-title { text-decoration: line-through; }

.simple-do-check { display: grid; width: 22px; height: 22px; place-items: center; padding: 0; border: 1px solid var(--muted); border-radius: 50%; color: white; background: transparent; font-size: .8rem; }

.simple-do-item.completed .simple-do-check { border-color: var(--blue); background: var(--blue); }

.simple-do-item-title { display: -webkit-box; min-width: 0; overflow: hidden; overflow-wrap: anywhere; font-size: .9rem; line-height: 1.45; -webkit-box-orient: vertical; -webkit-line-clamp: 1; }

.simple-do-item-actions { display: flex; gap: 8px; align-items: center; }

.simple-do-item-actions button, .simple-do-move { min-height: 28px; padding: 4px 8px; border: 1px solid var(--line); border-radius: 6px; color: var(--muted); background: var(--glass); font-size: .78rem; }
.simple-do-item-actions .ui-select { width: auto; min-width: 0; }
.simple-do-item-actions .ui-select-trigger { min-height: 28px; padding: 4px 27px 4px 8px; border-radius: 6px; font-size: .78rem; }
.simple-do-item-actions .ui-select-trigger::after { right: 9px; width: 6px; height: 6px; }

.simple-do-focus { color: var(--blue) !important; }
.simple-do-delete:hover { color: var(--danger); }

.simple-do-move { min-width: 88px; max-width: 132px; }

.simple-do-empty { padding: 12px 0; color: var(--faint); font-size: .84rem; }

.simple-do-add { display: flex; gap: 8px; margin-top: 0; }

.simple-do-add input { min-width: 0; flex: 1; min-height: 34px; padding: 7px 10px; border: 1px solid var(--line); border-radius: 7px; color: var(--ink); background: transparent; font-size: .84rem; }

.simple-do-add button, .simple-do-completed-toggle { min-height: 34px; padding: 7px 10px; border: 1px solid var(--line); border-radius: 7px; color: var(--blue); background: var(--glass); font-size: .8rem; white-space: nowrap; }

#simple-do-clear-history { color: var(--danger); }

.simple-do-history-item { display: grid !important; grid-template-columns: auto minmax(0, 1fr) auto auto auto; gap: 10px; align-items: center; width: 100%; height: 46px; box-sizing: border-box; padding: 6px 10px; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }

.simple-do-history-title { min-width: 0; overflow: hidden; overflow-wrap: anywhere; font-size: .9rem; line-height: 1.45; text-overflow: ellipsis; white-space: nowrap; }

.simple-do-history-icon { display: grid; width: 22px; height: 22px; place-items: center; border: 1px solid color-mix(in srgb, var(--blue) 38%, var(--line)); border-radius: 6px; color: var(--blue); background: color-mix(in srgb, var(--blue) 12%, var(--glass)); }
.simple-do-history-icon svg { display: block; width: 16px; height: 16px; }

.simple-do-history-meta { color: var(--faint); font-size: .8rem; white-space: nowrap; }

.simple-do-history-restore { min-height: 32px; padding: 5px 9px; border: 1px solid var(--line); border-radius: 6px; color: var(--blue); background: var(--glass); }