/* ==========================================================================
   Popup & Toast Style Sheet - Web mai Chart
   獨立彈窗、通知提示及各類 Popup 模組專用樣式表
   ========================================================================== */

/* 全域設定彈窗樣式已抽離至獨立的 settings.css */
@import url('./settings.css');
@import url('./chartInfo.css');

/* --------------------------------------------------------------------------
   1. Popup Window 核心組件樣式
   -------------------------------------------------------------------------- */
:root {
    --window-padding: 16px;
    --sw-complete-color: rgb(93, 207, 109);
    --popup-padding-border: #222;
    --popup-background: #1a1a1a;
    --popup-surface: #111;
    --popup-surface-hover: #32323c;
    --popup-surface-active: #333;
    --popup-border: rgba(255, 255, 255, 0.08);
    --popup-border-light: rgba(255, 255, 255, 0.15);
    --popup-text-main: #d0d0d0;
    --popup-text-sub: #bbb;
    --popup-text-muted: #555;
    --popup-radius-sm: 4px;
    --popup-radius-md: 6px;
    --popup-radius-lg: 10px;
    --popup-accent: var(--accent-color, #49e);
    --popup-accent-hover: #38bdf8;
    --popup-accent-glow: rgba(56, 189, 248, 0.25);
    --popup-danger: #ef4444;
    --popup-danger-bg: rgba(239, 68, 68, 0.15);
    --popup-danger-hover: #dc2626;
    --popup-success: #10b981;
    --popup-success-bg: rgba(16, 185, 129, 0.15);
    --popup-success-hover: #059669;
}

.popup-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s ease;
    perspective: 800px;
}

.popup-window {
    background: var(--popup-padding-border);
    color: var(--popup-text-main);
    padding: var(--window-padding);
    border: 1px solid var(--popup-border);
    border-radius: var(--popup-radius-lg);
    max-width: 90%;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.65), 0 0 1px rgba(255, 255, 255, 0.15);
    position: relative;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    overflow: hidden;
}

.popup-header {
    display: flex;
    align-items: center;
    position: relative;
    margin-bottom: var(--window-padding);
    min-height: 32px;
}

.popup-header.no-title {
    margin-bottom: 0;
    min-height: 0;
    position: absolute;
    top: var(--window-padding);
    right: var(--window-padding);
    z-index: 10;
}

.popup-title {
    margin: 0;
    min-height: 30px;
    display: flex;
    align-items: center;
    user-select: none;
    font-size: 1.15rem;
    font-weight: 600;
    color: #f0f0f0;
    order: 1;
}

.popup-close-btn {
    order: 2;
    margin-left: auto;
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 20px;
    color: #aaa;
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    border-radius: 50%;
    transition: background 0.15s ease, color 0.15s ease;
    padding: 0;
    flex-shrink: 0;
}

.popup-close-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.popup-close-btn .popup-icon-close {
    display: inline-flex;
    font-size: 20px;
}

.popup-close-btn .popup-icon-back {
    display: none;
}

.popup-progress-container {
    width: 100%;
    height: 6px;
    background: #333333;
    border-radius: 3px;
    overflow: hidden;
    display: none;
    margin-bottom: 10px;
}

.popup-progress-bar {
    width: 0%;
    height: 100%;
    background: var(--accent-color);
    transition: width 0.3s ease;
}

.popup-body {
    flex: 1 1 auto;
    overflow-y: auto;
    min-height: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.popup-content {
    font-family: monospace, inherit;
    font-size: 12px;
    background: #151515;
    padding: 10px;
    border-radius: 4px;
    white-space: pre-wrap;
    display: none;
    color: #dddddd;
    line-height: 1.5;
}

.popup-custom-content {
    padding: 10px;
    background: var(--popup-background);
    border: 1px solid #333333;
    border-radius: 4px;
    display: none;
    height: 100%;
    box-sizing: border-box;
}

.popup-buttons {
    display: flex;
    gap: var(--window-padding);
    margin-top: var(--window-padding);
    overflow-x: auto;
    flex-wrap: nowrap;
    flex-shrink: 0;
}

.popup-button {
    background: #202020;
    color: #ffffff;
    padding: 7px 12px;
    cursor: pointer;
    border: 1px solid #404040;
    border-radius: 4px;
    white-space: nowrap;
    font-size: 13px;
    transition: background 0.15s ease, border-color 0.15s ease;
}

.popup-button:hover:not(:disabled) {
    background: #333333;
    border-color: #555555;
}

.popup-button:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}


/* --------------------------------------------------------------------------
   2. SimpleToast 提示通知樣式
   -------------------------------------------------------------------------- */

#hint-container {
    position: fixed;
    top: var(--utility-height, 40px);
    left: 0;
    padding: 10px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    pointer-events: none;
    overflow: hidden;
    max-height: 100vh;
}

.toast-item {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    background: #202020;
    color: #ffffff;
    padding: 10px 15px;
    border-left: 4px solid #404040;
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    font-size: 13px;
    pointer-events: auto;
    width: fit-content;
    max-width: 300px;
    margin-bottom: 10px;
    overflow: hidden;
    min-height: 20px;
    max-height: 100px;
    flex-shrink: 0;
    opacity: 1;
    transform: translateX(0);
    transition:
        opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
        max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
        margin 0.4s cubic-bezier(0.4, 0, 0.2, 1),
        padding 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.toast-item.toast-info {
    border-left-color: #00bbff;
}

.toast-item.toast-error {
    border-left-color: #ff4444;
}

.toast-item.toast-success {
    border-left-color: #00ffcc;
}

.toast-item.toast-warning {
    border-left-color: #ffcc00;
}

/* Service Worker 更新進度條懸浮面板 */
.sw-update-toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 100000;
    min-width: 240px;
    max-width: 400px;
    background: #262626;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-left: 4px solid var(--accent-color);
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6), 0 2px 8px rgba(0, 187, 255, 0.15);
    padding: 14px 16px;
    color: #ffffff;
    font-size: 13px;
    font-family: inherit;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    gap: 8px;
    opacity: 0;
    transform: translateY(20px) scale(0.95);
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1), transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: auto;
}

.sw-update-toast.show {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.sw-update-toast.completed {
    border-left-color: var(--sw-complete-color);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6), 0 2px 8px rgba(0, 255, 204, 0.2);
}

.sw-update-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.sw-update-title {
    font-weight: 600;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 6px;
    color: #f0f0f0;
}

.sw-update-percent {
    font-size: 12px;
    font-weight: bold;
    color: var(--accent-color);
    font-family: 'ShareTechMono', monospace;
}

.sw-update-toast.completed .sw-update-percent {
    color: var(--sw-complete-color);
}

.sw-update-progress-bar-bg {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
    position: relative;
}

.sw-update-progress-bar-fill {
    height: 100%;
    width: 100%;
    transform-origin: left center;
    transform: scaleX(0);
    background: linear-gradient(90deg, #0077ff, #00e5ff);
    border-radius: 3px;
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
}

.sw-update-toast.completed .sw-update-progress-bar-fill {
    background: var(--sw-complete-color);
}

.sw-update-details {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 11px;
    color: #a0a0a0;
}

.sw-update-file {
    max-width: 220px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sw-update-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 4px;
}

.sw-update-btn {
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s ease;
    border: none;
    outline: none;
}

.sw-update-btn-reload {
    background: var(--sw-complete-color);
    font-weight: bold;
    color: #121212;
}

.sw-update-btn-reload:hover {
    filter: brightness(0.8);
}

.sw-update-btn-dismiss {
    background: transparent;
    color: #aaaaaa;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.sw-update-btn-dismiss:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
}

@keyframes sw-spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}


/* --------------------------------------------------------------------------
   3. 彈窗內部 DOM 元素與頁面面板組件 Class
   -------------------------------------------------------------------------- */

/* 波形與音軌對齊彈窗 */
.popup-waveform-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 13px;
    box-sizing: border-box;
    color: #e0e0e0;
}

.popup-waveform-canvas {
    width: 100%;
    height: 120px;
    background: #0f0f0f;
    border: 1px solid #444444;
    border-radius: 6px;
    cursor: crosshair;
    display: block;
}

.popup-waveform-controls {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
}

.popup-align-card {
    background: var(--popup-background);
    border: 1px solid #333333;
    border-radius: 6px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
    box-sizing: border-box;
}

.popup-align-header {
    font-weight: bold;
    color: #00a2ff;
    font-size: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.popup-align-body {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    color: #dddddd;
    font-size: 12px;
}

.popup-align-footer {
    font-size: 11px;
    color: #888888;
    line-height: 1.4;
}

.popup-action-box {
    display: flex;
    gap: 10px;
    margin-top: 5px;
    flex-wrap: wrap;
    width: 100%;
}

.popup-crop-btn {
    flex: 1;
    min-width: 140px;
    height: 38px;
    background: #8b0000;
    color: #ffffff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: background 0.15s ease;
}

.popup-crop-btn:hover {
    background: #a80000;
}

.popup-pad-btn {
    flex: 1;
    min-width: 140px;
    height: 38px;
    background: #006400;
    color: #ffffff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: background 0.15s ease;
}

.popup-pad-btn:hover {
    background: #008000;
}

.popup-restore-btn {
    flex: 1;
    min-width: 140px;
    height: 38px;
    background: #333333;
    color: #aaaaaa;
    border: 1px solid #444444;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: background 0.15s ease;
}

.popup-restore-btn:hover {
    background: #444444;
    color: #ffffff;
}

/* Tap BPM 彈窗 */
.popup-tap-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 13px;
}

.popup-tap-stats {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
}

.popup-tap-btn {
    width: 100%;
    padding: 10px 0;
    font-size: var(--window-padding);
    font-weight: 600;
    background: #333333;
    color: #ffffff;
    border: 1px solid #555555;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.15s ease;
}

.popup-tap-btn:hover {
    background: #444444;
}

.popup-tap-reset-btn {
    width: 100%;
    padding: 8px 0;
    font-size: 14px;
    background: #222222;
    color: #ffffff;
    border: 1px solid #444444;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.15s ease;
}

.popup-tap-reset-btn:hover {
    background: #333333;
}

.popup-tap-message {
    color: #cccccc;
    font-size: 12px;
    line-height: 1.4;
}

/* 彈窗內通用表單元素 */
.popup-form-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 13px;
    width: 100%;
    min-width: 250px;
}

.popup-form-row {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.popup-form-input {
    background: #222222;
    color: #ffffff;
    border: 1px solid #555555;
    padding: 6px;
    border-radius: 4px;
}

.popup-form-select {
    background: #222222;
    color: #ffffff;
    border: 1px solid #555555;
    padding: 6px;
    border-radius: 4px;
    cursor: pointer;
}

.popup-search-btn {
    padding: 10px;
    background: #0066cc;
    color: #ffffff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 500;
    margin-top: 8px;
    transition: background 0.2s;
}

.popup-search-btn:hover {
    background: #0052a3;
}

.popup-search-results {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 420px;
    overflow-y: auto;
    padding-right: 4px;
}

.popup-diff-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 4px 0;
}

.popup-diff-btn {
    padding: 10px 14px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
    font-size: 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: transform 0.1s, filter 0.1s;
}

.popup-song-card {
    padding: 10px 12px;
    background: #26262a;
    border: 1px solid #3d3d45;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.popup-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
}

.popup-card-title {
    font-weight: 600;
    color: #ffffff;
    font-size: 14px;
    word-break: break-word;
}

.popup-card-type-badge {
    font-size: 11px;
    font-weight: bold;
    padding: 2px 6px;
    border-radius: 4px;
    color: #ffffff;
    letter-spacing: 0.5px;
}

.popup-card-badges-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
}

.popup-card-badge {
    padding: 3px 8px;
    border: none;
    border-radius: 4px;
    font-size: 12px;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.15s, filter 0.15s;
}

/* ==========================================================================
   4. 通用彈窗元件系統 (Unified Popup Design System)
   ========================================================================== */

/* --- 按鈕系統 (Buttons) --- */
.popup-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 7px 14px;
    font-size: 13px;
    font-weight: 500;
    color: var(--popup-text-main);
    background: var(--popup-surface);
    border: 1px solid var(--popup-border-light);
    border-radius: var(--popup-radius-md);
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
    transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.1s ease, filter 0.15s ease, box-shadow 0.15s ease;
}

.popup-btn:hover:not(:disabled) {
    background: var(--popup-surface-hover);
    border-color: rgba(255, 255, 255, 0.25);
}

.popup-btn:active:not(:disabled) {
    transform: scale(0.98);
}

.popup-btn:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

.popup-btn-primary {
    background: var(--popup-accent);
    color: #ffffff;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 2px 8px var(--popup-accent-glow);
}

.popup-btn-primary:hover:not(:disabled) {
    background: var(--popup-accent-hover);
    border-color: rgba(255, 255, 255, 0.35);
    box-shadow: 0 4px 12px var(--popup-accent-glow);
}

.popup-btn-secondary {
    background: var(--popup-surface);
    border-color: var(--popup-border);
}

.popup-btn-danger {
    background: var(--popup-danger-bg);
    color: #fca5a5;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.popup-btn-danger:hover:not(:disabled) {
    background: var(--popup-danger);
    color: #ffffff;
    border-color: var(--popup-danger);
}

.popup-btn-success {
    background: var(--popup-success-bg);
    color: #6ee7b7;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.popup-btn-success:hover:not(:disabled) {
    background: var(--popup-success);
    color: #ffffff;
    border-color: var(--popup-success);
}

.popup-btn-ghost {
    background: transparent;
    border-color: transparent;
    color: var(--popup-text-sub);
}

.popup-btn-ghost:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.08);
    color: var(--popup-text-main);
}

.popup-btn-sm {
    padding: 4px 8px;
    font-size: 11.5px;
    border-radius: var(--popup-radius-sm);
}

/* --- 表單控制項系統 (Form Controls) --- */
.popup-field {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 100%;
    box-sizing: border-box;
}

.popup-field-label {
    font-size: 12.5px;
    font-weight: 500;
    color: var(--popup-text-sub);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.popup-field-hint {
    font-size: 11px;
    color: var(--popup-text-muted);
}

.popup-input,
.popup-select,
.popup-textarea {
    width: 100%;
    box-sizing: border-box;
    background: var(--popup-surface);
    color: var(--popup-text-main);
    border: 1px solid var(--popup-border);
    border-radius: var(--popup-radius-md);
    padding: 7px 10px;
    font-size: 13px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.popup-input:focus,
.popup-select:focus,
.popup-textarea:focus {
    border-color: var(--popup-accent);
    box-shadow: 0 0 0 2px var(--popup-accent-glow);
    background: var(--popup-surface-hover);
}

.popup-input::placeholder,
.popup-textarea::placeholder {
    color: var(--popup-text-muted);
}

.popup-select {
    cursor: pointer;
}

/* --- 卡片與項目列表系統 (Cards & List Items) --- */
.popup-card {
    background: var(--popup-surface);
    border: 1px solid var(--popup-border);
    border-radius: var(--popup-radius-md);
    padding: 12px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: border-color 0.15s ease, background 0.15s ease;
}

.popup-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
    box-sizing: border-box;
}

.popup-list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    background: var(--popup-surface);
    border: 1px solid var(--popup-border);
    border-radius: var(--popup-radius-md);
    gap: 10px;
    box-sizing: border-box;
    transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
}

.popup-list-item:hover {
    background: var(--popup-surface-hover);
    border-color: var(--popup-border-light);
}

.popup-list-item.active {
    background: rgba(68, 153, 238, 0.1);
    border-color: var(--popup-accent);
}

.popup-list-item-title {
    font-weight: 600;
    font-size: 13.5px;
    color: var(--popup-text-main);
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.popup-list-item-sub {
    font-size: 11px;
    color: var(--popup-text-muted);
    display: block;
    margin-top: 2px;
}

.popup-list-actions {
    display: flex;
    gap: 6px;
    align-items: center;
    flex-shrink: 0;
}

/* --- 徽章系統 (Badges) --- */
.popup-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 7px;
    border-radius: var(--popup-radius-sm);
    font-size: 11px;
    font-weight: 600;
    line-height: 1.4;
    letter-spacing: 0.3px;
}

.popup-badge-accent {
    background: rgba(68, 153, 238, 0.18);
    color: #38bdf8;
    border: 1px solid rgba(68, 153, 238, 0.3);
}

.popup-badge-success {
    background: var(--popup-success-bg);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.popup-badge-danger {
    background: var(--popup-danger-bg);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.popup-badge-muted {
    background: rgba(255, 255, 255, 0.08);
    color: var(--popup-text-sub);
    border: 1px solid var(--popup-border);
}

/* --- 雙向時間範圍滑桿 (Dual Range Slider) --- */
.dual-range-slider {
    position: relative;
    height: 24px;
    margin: 8px 0 4px 0;
}

.dual-range-slider input[type=range] {
    position: absolute;
    width: 100%;
    background: none;
    pointer-events: none;
    appearance: none;
    -webkit-appearance: none;
    top: 50%;
    transform: translateY(-50%);
    margin: 0;
}

.dual-range-slider input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none;
    pointer-events: auto;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--popup-accent);
    cursor: pointer;
    border: 2px solid #ffffff;
    box-shadow: 0 0 6px rgba(0, 0, 0, 0.5);
    transition: transform 0.1s ease;
}

.dual-range-slider input[type=range]::-webkit-slider-thumb:active {
    transform: scale(1.2);
}

/* --- 說明與關於彈窗共用排版 (Help & About Typography) --- */
.help-dialog-content {
    color: var(--popup-text-sub);
    font-size: 13.5px;
    line-height: 1.8;
}

.help-dialog-content p {
    margin: 8px 0 12px 0;
}

.help-dialog-content ul {
    margin: 8px 0 12px 0;
    padding-left: 0;
    list-style: none;
}

.help-dialog-content li {
    position: relative;
    padding-left: 18px;
    margin-bottom: 8px;
}

.help-dialog-content li::before {
    content: "•";
    color: var(--popup-accent);
    font-weight: bold;
    position: absolute;
    left: 4px;
    top: 0;
}

.help-dialog-content b {
    color: var(--popup-text-main);
}

.help-dialog-content .material-symbols-outlined {
    font-size: 16px;
    vertical-align: middle;
    background: #111;
    color: #eee;
    padding: 4px;
    margin: 0 2px;
    border-radius: 4px;
}

.code-highlight {
    background: var(--popup-surface);
    color: var(--popup-text-main);
    padding: 2px 7px;
    border-radius: 4px;
    font-family: Consolas, Monaco, monospace;
    font-size: 12px;
    border: 1px solid var(--popup-border);
    display: inline-block;
    line-height: 1.3;
    margin: 0 2px;
    vertical-align: middle;
}

.about-modal-container {
    color: var(--popup-text-sub);
    font-size: 13.5px;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.about-header {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--popup-border);
}

.about-app-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--popup-text-main);
    letter-spacing: 0.5px;
}

.about-app-desc {
    color: var(--popup-text-muted);
    font-size: 13px;
}

.about-links {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.about-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--popup-surface);
    border: 1px solid var(--popup-border-light);
    border-radius: var(--popup-radius-md);
    padding: 8px 14px;
    color: var(--popup-text-main);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    user-select: none;
    transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
}

.about-link-btn:hover {
    background: var(--popup-surface-hover);
    border-color: rgba(255, 255, 255, 0.35);
    color: #ffffff;
}

.about-link-btn:active {
    transform: scale(0.98);
}

.about-link-icon {
    width: 18px;
    height: 18px;
    display: block;
    object-fit: contain;
    pointer-events: none;
}

.about-section {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.about-section-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--popup-text-main);
}

.about-section-content {
    font-size: 12.5px;
    color: var(--popup-text-sub);
    line-height: 1.5;
}

.about-legal-links {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 2px;
}

.about-legal-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--popup-surface);
    border: 1px solid var(--popup-border-light);
    border-radius: var(--popup-radius-md);
    color: var(--popup-accent, #49e);
    text-decoration: none;
    font-size: 12.5px;
    font-weight: 500;
    cursor: pointer;
    user-select: none;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.1s ease;
}

.about-legal-link:hover {
    background: var(--popup-surface-hover);
    border-color: rgba(255, 255, 255, 0.35);
    color: #ffffff;
}

.about-legal-link:active {
    transform: scale(0.98);
}

/* --------------------------------------------------------------------------
   全螢幕行動端頁面模式 (Flutter-style Fullscreen Page Route)
   當螢幕寬度縮小至行動端 (<= 440px) 時，Page 類型 Popup 轉變為全螢幕新頁面，
   而純文字確認提示 (Dialog) 則維持為精緻的置中對話框
   -------------------------------------------------------------------------- */
@media (max-width: 440px) {
    .popup-backdrop.popup-backdrop-page {
        align-items: stretch;
        justify-content: stretch;
        padding: 0 !important;
        background: #121216 !important;
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
        perspective: none !important;
    }

    .popup-backdrop.popup-backdrop-dialog {
        align-items: center !important;
        justify-content: center !important;
        background: rgba(0, 0, 0, 0.65) !important;
        backdrop-filter: none;
        -webkit-backdrop-filter: blur(4px) !important;
        perspective: none !important;
    }

    /* Page Route 全螢幕樣式 */
    .popup-window.popup-page {
        width: 100vw !important;
        height: 100dvh !important;
        max-width: 100vw !important;
        max-height: 100dvh !important;
        border-radius: 0 !important;
        border: none !important;
        padding: 0 !important;
        box-shadow: none !important;
        display: flex;
        flex-direction: column;
        overflow: hidden;
    }

    /* Dialog 對話框樣式 (精緻置中，不佔滿全螢幕) */
    .popup-window.popup-dialog {
        width: min(340px, 90vw) !important;
        max-width: 360px !important;
        height: auto !important;
        max-height: 85vh !important;
        border-radius: var(--popup-radius-lg, 12px) !important;
        border: 1px solid var(--popup-border) !important;
        padding: 18px 20px !important;
        background: var(--popup-background, #222) !important;
        box-shadow: 0 16px 40px rgba(0, 0, 0, 0.75) !important;
        margin: auto 0 !important;
        display: flex;
        flex-direction: column;
        box-sizing: border-box;
    }

    .popup-dialog .popup-header {
        height: auto !important;
        min-height: unset !important;
        max-height: unset !important;
        padding: 0 !important;
        margin-bottom: 10px !important;
        background: transparent !important;
        border-bottom: none !important;
    }

    .popup-dialog .popup-title {
        font-size: 1.15rem !important;
        font-weight: 600 !important;
        color: var(--popup-text-main) !important;
        order: 1 !important;
        margin: 0 !important;
    }

    .popup-dialog .popup-close-btn {
        order: 2 !important;
        margin-left: auto !important;
        width: 30px !important;
        height: 30px !important;
        color: var(--popup-text-sub) !important;
        border-radius: 50% !important;
    }

    .popup-dialog .popup-close-btn .popup-icon-close {
        display: inline-flex !important;
        font-size: 18px !important;
    }

    .popup-dialog .popup-close-btn .popup-icon-back {
        display: none !important;
    }

    .popup-dialog .popup-body {
        padding: 0 !important;
        background: transparent !important;
        min-height: unset !important;
        overflow-y: auto !important;
        gap: 6px !important;
    }

    .popup-dialog .popup-content {
        display: block !important;
        background: transparent !important;
        padding: 0 !important;
        font-family: inherit !important;
        font-size: 14px !important;
        line-height: 1.6 !important;
        color: var(--popup-text-main) !important;
        white-space: pre-wrap !important;
    }

    .popup-dialog .popup-buttons {
        margin-top: 10px !important;
        padding: 0 !important;
        background: transparent !important;
        border-top: none !important;
        display: flex !important;
        gap: 8px !important;
        justify-content: flex-end !important;
    }

    .popup-dialog .popup-buttons.popup-buttons-vertical {
        flex-direction: column !important;
    }

    .popup-dialog .popup-buttons.popup-buttons-vertical .popup-button {
        width: 100% !important;
    }

    .popup-dialog .popup-buttons:not(.popup-buttons-vertical) .popup-button {
        flex: 1 1 auto !important;
        min-width: 72px !important;
    }

    .popup-dialog .popup-buttons .popup-button {
        min-height: 38px;
        padding: 0 12px !important;
        font-size: 13.5px !important;
        border-radius: var(--popup-radius-sm, 4px) !important;
        box-sizing: border-box !important;
    }

    /* Flutter AppBar 導覽列 */
    .popup-header,
    .popup-header.no-title {
        height: 52px !important;
        min-height: 52px !important;
        max-height: 52px !important;
        display: flex !important;
        align-items: center !important;
        padding: 0 8px 0 4px !important;
        margin-bottom: 0 !important;
        position: relative !important;
        top: 0 !important;
        right: 0 !important;
        background: var(--popup-padding-border) !important;
        border-bottom: 1px solid var(--popup-border) !important;
        box-sizing: border-box !important;
        gap: 4px !important;
        z-index: 10 !important;
        flex-shrink: 0 !important;
    }

    /* 返回按鈕排在最左邊 (Leading Back Button) */
    .popup-close-btn {
        order: 1 !important;
        margin-left: 0 !important;
        margin-right: 2px;
        width: 44px;
        height: 44px;
        border-radius: 50%;
        color: #f4f4f5;
        display: inline-flex !important;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        background: transparent;
    }

    .popup-close-btn:active {
        background: rgba(255, 255, 255, 0.15);
    }

    /* 隱藏叉號，改為顯示返回箭頭 (arrow_back) */
    .popup-close-btn .popup-icon-close {
        display: none !important;
    }

    .popup-close-btn .popup-icon-back {
        display: inline-flex !important;
        font-size: 24px;
        color: #f4f4f5;
    }

    .popup-content {
        font-family: monospace, inherit;
        font-size: 14px;
        background: transparent;
        padding: 0;
        border-radius: 4px;
        white-space: pre-wrap;
        display: none;
        color: #dddddd;
        line-height: 1.5;
    }

    /* AppBar 標題 */
    .popup-title {
        order: 2 !important;
        font-size: 1.15rem;
        font-weight: 600;
        color: #ffffff;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        flex: 1;
        letter-spacing: 0.2px;
        min-height: unset;
        margin-bottom: 0;
    }

    /* 進度條貼合在 AppBar 下方 */
    .popup-progress-container {
        margin-bottom: 10px;
        border-radius: 0;
        height: 3px;
        flex-shrink: 0;
    }

    /* 內容容器撐滿剩餘螢幕空間 */
    .popup-body {
        flex: 1 1 auto;
        overflow-y: auto;
        overflow-x: hidden;
        -webkit-overflow-scrolling: touch;
        background-color: var(--popup-background);
        min-height: 0;
        padding: 12px 14px;
        gap: 12px;
    }

    /* 底部操作按鈕欄 (Bottom Action Bar) */
    .popup-buttons {
        flex-shrink: 0;
        margin-top: 0;
        padding: 10px 14px;
        padding-bottom: max(10px, env(safe-area-inset-bottom));
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        display: flex;
        gap: 8px;
        justify-content: stretch;
    }

    .popup-buttons .popup-button,
    .popup-buttons .popup-btn {
        flex: 1;
        text-align: center;
        justify-content: center;
        height: 38px;
        padding: 0 10px;
        font-size: 13.5px;
        box-sizing: border-box;
    }

    /* 自訂內容在全螢幕下完全滿版展開 */
    .popup-custom-content {
        background: transparent !important;
        border: none !important;
        padding: 0 !important;
        border-radius: 0 !important;
        flex: 1 1 auto;
        height: 100%;
        display: flex;
        flex-direction: column;
        min-height: 0;
    }

    .popup-list {
        max-height: none !important;
        height: 100% !important;
        flex: 1 1 auto;
    }

    .project-manager-grid {
        height: 100% !important;
        min-height: 0 !important;
        max-height: 100% !important;
        flex: 1 1 auto;
        grid-template-columns: repeat(auto-fill, minmax(135px, 1fr)) !important;
        padding: 0 !important;
        overflow-y: auto !important;
    }
}

/* 專案總管選擇區樣式 (一般視窗與全螢幕頁面適配) */
.project-manager-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    align-items: start;
    grid-auto-rows: max-content;
    gap: 10px;
    height: 310px;
    min-height: 310px;
    max-height: 310px;
    overflow-y: auto;
    overscroll-behavior: none;
    box-sizing: border-box;
    scrollbar-width: thin;
    scrollbar-color: #555555 transparent;
    user-select: none;
    -webkit-user-select: none;
}

.project-manager-grid::-webkit-scrollbar {
    width: 6px;
}

.project-manager-grid::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 3px;
}

.project-manager-grid::-webkit-scrollbar-thumb {
    background: #555555;
    border-radius: 3px;
}

.project-manager-grid::-webkit-scrollbar-thumb:hover {
    background: #777777;
}