styles.css

body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #f0f0f0;
    font-family: Arial, sans-serif;
    transition: background-color 0.3s, color 0.3s;
    overflow: hidden;
    position: fixed;
    width: 100%;
}

body.dark-mode {
    background-color: var(--dark-bg);
    color: #fff;
}

body.dark-mode .timer-background { fill: #101010; }
body.dark-mode .settings-panel { background-color: var(--dark-panel); }
body.dark-mode .icon-settings,
body.dark-mode .icon-picker,
body.dark-mode .icon-picker-header { border-color: var(--dark-element); }
body.dark-mode .minutes-input,
body.dark-mode .icon-picker { background-color: var(--dark-panel); }
body.dark-mode .icon-categories i:hover,
body.dark-mode .icon-categories i.active,
body.dark-mode .icon-list i:hover { background: var(--dark-element); }

.timer-container {
    position: fixed;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    touch-action: none;
}

.timer {
    width: 100%;
    max-width: 80vh;
    max-height: 80vh;
    transition: max-width 0.3s, max-height 0.3s;
    touch-action: none;
}

.timer-background {
    fill: #e0e0e0;
    stroke: none;
}

.timer-progress {
    fill: #4CAF50;
    stroke: none;
}

.timer-handle {
    stroke: #333;
    stroke-width: 4;
    stroke-linecap: round;
    cursor: pointer;
}

.timer-display {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 24px;
    font-weight: bold;
    display: none;
}

.timer-display.always_show {
    display: block;
}

.settings-icon {
    position: fixed;
    bottom: 20px;
    right: 20px;
    font-size: 24px;
    cursor: pointer;
    z-index: 1000;
}

.settings-panel {
    position: fixed;
    top: 0;
    right: calc(-1 * var(--panel-width));
    width: var(--panel-width);
    height: 100%;
    background-color: white;
    box-shadow: -2px 0 5px rgba(0, 0, 0, 0.1);
    transition: right 0.3s ease;
    z-index: 1001;
    padding: 20px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
}

.settings-panel.open {
    right: 0;
}

.settings-options {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.close-settings {
    position: absolute;
    bottom: 20px;
    right: 20px;
    font-size: 24px;
}

.sound-attribution {
    margin-top: auto;
    font-size: 12px;
    margin-bottom: 60px;
}

.sound-attribution a {
    color: inherit;
    text-decoration: none;
}

.sound-attribution a:hover {
    text-decoration: underline;
}

.icon-button {
    background: none;
    border: none;
    cursor: pointer;
    font-size: var(--icon-size);
    color: inherit;
    padding: 5px;
}

.icon-button:focus {
    outline: none;
}

.icon-button.active {
    color: var(--active-color);
}

#muteSound.active .fa-volume-up:before {
    content: "\f6a9";  /* 靜音圖示 */
}

#darkMode.active .fa-sun:before {
    content: "\f186";  /* 月亮圖示 */
}

#alwaysShowTime.active .far.fa-clock:before {
    content: "\f017";  /* 實心時鐘圖示 */
}

#circleColor {
    width: 30px;
    height: 30px;
    padding: 0;
    border: none;
    cursor: pointer;
}

/* 在文件末尾添加以下樣式 */
.timer-icon {
    cursor: pointer;
    transition: color 0.3s, opacity 0.3s;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 5px;
    height: 5px;
    overflow: visible;
    opacity: 0;
    pointer-events: bounding-box;
}

.shortcuts-visible .timer-icon {
    opacity: 1;
}

.timer-icon i {
    font-size: 5px;
    color: #333;
}

.timer-icon:hover i {
    color: var(--hover-color);
}

body.dark-mode .timer-icon i {
    color: #fff;
}

body.dark-mode .timer-icon:hover i {
    color: var(--hover-color);
}

:root {
    --active-color: #4CAF50;
    --hover-color: #4CAF50;
    --bg-color: #f0f0f0;
    --dark-bg: #333;
    --dark-panel: #444;
    --dark-element: #555;
    --light-border: #ddd;
    
    --icon-size: 20px;
    --large-icon-size: 24px;
    --standard-spacing: 10px;
    --panel-width: 300px;
}

/* 新增這個樣式確保按鈕可以被對定位 */
.container {
    position: relative;
}

/* 整合所有全螢幕相關樣式 */
:fullscreen,
:-webkit-full-screen,
:-moz-full-screen {
    background-color: inherit;
}

:fullscreen .timer,
:-webkit-full-screen .timer,
:-moz-full-screen .timer,
.super-fullscreen .timer {
    max-width: none;
    max-height: none;
}

/* 全螢幕按鈕切換圖示 */
#fullscreenToggle.active .fa-expand:before {
    content: "\f066";  /* 縮小圖示 */
}

/* 新增控制按鈕群組的樣式 */
.control-buttons {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 1000;
}

.fullscreen-icon,
.settings-icon {
    font-size: var(--large-icon-size);
    cursor: pointer;
}

/* 移除舊的 settings-icon 樣式 */
.settings-icon {
    position: static;  /* 移除 fixed 定位 */
}

/* 全螢幕按鈕切換圖示 */
.fullscreen-icon.active .fa-expand:before {
    content: "\f066";  /* 縮小圖示 */
}

/* 新增超級全螢幕模式的樣式 */
:fullscreen .timer {
    max-width: none;
    max-height: none;
}

:-webkit-full-screen .timer {
    max-width: none;
    max-height: none;
}

:-moz-full-screen .timer {
    max-width: none;
    max-height: none;
}

/* 修改圖示設定相關樣式 */
.icon-settings {
    margin-top: 10px;
    padding: 10px 0;
    border-top: 1px solid #ddd;
    border-bottom: 1px solid #ddd;
}

.icon-setting {
    margin: 8px 0;
}

.icon-setting-row {
    display: flex;
    gap: 10px;
    align-items: center;
}

.minutes-input {
    width: 60px;
    padding: 5px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.current-icon {
    font-size: 20px;
    min-width: 24px;
    text-align: center;
}

body.dark-mode .icon-settings {
    border-color: #555;
}

body.dark-mode .minutes-input {
    background-color: #333;
    color: #fff;
    border-color: #555;
}

/* 圖示選擇器樣式 */
.icon-picker {
    position: absolute;
    background: white;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    width: 240px;
    max-height: 300px;
    overflow-y: auto;
    z-index: 1002;
}

.icon-picker-header {
    padding: 10px;
    border-bottom: 1px solid #ddd;
    position: sticky;
    top: 0;
    background: white;
}

.icon-categories {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.icon-categories i,
.icon-list i {
    cursor: pointer;
    padding: var(--standard-spacing);
    border-radius: 4px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.icon-categories i:hover,
.icon-categories i.active {
    background: #f0f0f0;
    color: var(--active-color);
}

.icon-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    padding: 10px;
}

.icon-list i {
    font-size: 20px;
    padding: 10px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 4px;
}

.icon-list i:hover {
    background: #f0f0f0;
    color: var(--active-color);
}

body.dark-mode .icon-picker {
    background: #444;
    border-color: #555;
}

body.dark-mode .icon-picker-header {
    background: #444;
    border-color: #555;
}

body.dark-mode .icon-categories i:hover,
body.dark-mode .icon-categories i.active,
body.dark-mode .icon-list i:hover {
    background: #555;
}