/*
 * CuteTask - 可爱待办事项 Web App
 * 治愈系可爱手帐风格样式表 ✨
 */

/* ===== CSS变量 ===== */
:root {
    --primary: #FF9FB2;
    --primary-light: #FFDDE2;
    --primary-dark: #FF6B9D;
    --success: #7DD3A4;
    --warning: #FDCB6E;
    --danger: #E17055;
    --text-primary: #5C4B4B;
    --text-secondary: #8B7B7B;
    --bg-main: #FFF8F9;
    --bg-card: #FFFFFF;
    --border-color: #FFE4E8;

    /* 分类颜色 */
    --cat-study: #FF9FB2;
    --cat-work: #74B9FF;
    --cat-life: #A8E6CF;
    --cat-sport: #FDCB6E;
    --cat-hobby: #D4A5FF;

    /* 圆角 */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;

    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(255, 159, 178, 0.15);
    --shadow-md: 0 4px 16px rgba(255, 159, 178, 0.2);
    --shadow-lg: 0 8px 32px rgba(255, 159, 178, 0.25);

    /* 间距 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* 导航尺寸 */
    --sidebar-width: 240px;
    --bottom-nav-height: 70px;
    --header-height: 60px;
}

/* ===== 主题色 ===== */
.theme-pink {
    --primary: #FF9FB2;
    --primary-light: #FFDDE2;
    --primary-dark: #FF6B9D;
    --bg-main: #FFF8F9;
    --border-color: #FFE4E8;
    --shadow-sm: 0 2px 8px rgba(255, 159, 178, 0.15);
    --shadow-md: 0 4px 16px rgba(255, 159, 178, 0.2);
}

.theme-mint {
    --primary: #A8E6CF;
    --primary-light: #D4F5E9;
    --primary-dark: #6BC9A7;
    --bg-main: #F5FFF9;
    --border-color: #C8EED8;
    --shadow-sm: 0 2px 8px rgba(168, 230, 207, 0.2);
    --shadow-md: 0 4px 16px rgba(168, 230, 207, 0.25);
}

.theme-purple {
    --primary: #D4A5FF;
    --primary-light: #F0DFFF;
    --primary-dark: #B47CE8;
    --bg-main: #FCF8FF;
    --border-color: #E8D0FF;
    --shadow-sm: 0 2px 8px rgba(212, 165, 255, 0.2);
    --shadow-md: 0 4px 16px rgba(212, 165, 255, 0.25);
}

.theme-orange {
    --primary: #FFBE76;
    --primary-light: #FFE4C4;
    --primary-dark: #F39C12;
    --bg-main: #FFFAF5;
    --border-color: #FFD8A8;
    --shadow-sm: 0 2px 8px rgba(255, 190, 118, 0.2);
    --shadow-md: 0 4px 16px rgba(255, 190, 118, 0.25);
}

.theme-blue {
    --primary: #74B9FF;
    --primary-light: #C7E3FF;
    --primary-dark: #4A9AE8;
    --bg-main: #F5FAFF;
    --border-color: #A8D4FF;
    --shadow-sm: 0 2px 8px rgba(116, 185, 255, 0.2);
    --shadow-md: 0 4px 16px rgba(116, 185, 255, 0.25);
}

/* ===== 基础样式 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* ===== 虚线网格背景 ===== */
.dashed-grid-bg {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
    pointer-events: none;
    background-image: linear-gradient(to right, #e7e5e4 1px, transparent 1px), linear-gradient(to bottom, #e7e5e4 1px, transparent 1px);
    background-size: 20px 20px;
    -webkit-mask-image: repeating-linear-gradient(to right, black 0px, black 3px, transparent 3px, transparent 8px), repeating-linear-gradient(to bottom, black 0px, black 3px, transparent 3px, transparent 8px);
    mask-image: repeating-linear-gradient(to right, black 0px, black 3px, transparent 3px, transparent 8px), repeating-linear-gradient(to bottom, black 0px, black 3px, transparent 3px, transparent 8px);
    -webkit-mask-composite: source-in;
    mask-composite: intersect;
    opacity: 0.5;
}

a {
    color: var(--primary-dark);
    text-decoration: none;
    transition: all 0.2s ease;
}

a:hover {
    color: var(--primary);
}

/* ===== 布局结构 ===== */
.main-wrapper {
    display: flex;
    min-height: 100vh;
}

.main-wrapper.has-bottom-nav {
    padding-bottom: var(--bottom-nav-height);
}

@media (min-width: 768px) {
    .main-wrapper.has-bottom-nav {
        padding-bottom: 0;
    }
}

/* ===== 侧边栏 ===== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-card);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    z-index: 100;
}

.sidebar-header {
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.logo-icon {
    font-size: 28px;
}

.logo-text {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-dark);
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-md);
    overflow-y: auto;
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: 12px var(--spacing-md);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    transition: all 0.2s ease;
    font-size: 15px;
}

.sidebar-item:hover {
    background: var(--primary-light);
    color: var(--primary-dark);
}

.sidebar-item.active {
    background: var(--primary);
    color: white;
}

.sidebar-item .nav-icon {
    font-size: 20px;
    width: 24px;
    text-align: center;
}

.sidebar-divider {
    height: 1px;
    background: var(--border-color);
    margin: var(--spacing-md) 0;
}

.sidebar-footer {
    padding: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.logout-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 12px var(--spacing-md);
    background: var(--primary-light);
    border-radius: var(--radius-md);
    color: var(--primary-dark);
    font-size: 14px;
}

.logout-btn:hover {
    background: var(--primary);
    color: white;
}

/* ===== 主内容区 ===== */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    width: 100%;
}

@media (min-width: 768px) {
    .main-content.has-sidebar {
        margin-left: var(--sidebar-width);
        width: calc(100% - var(--sidebar-width));
    }
}

/* ===== 顶部导航 ===== */
.top-header {
    height: var(--header-height);
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
    position: sticky;
    top: 0;
    z-index: 50;
}

.page-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.user-greeting {
    color: var(--text-secondary);
    font-size: 14px;
}

/* ===== 页面内容 ===== */
.page-content {
    flex: 1;
    padding: var(--spacing-lg);
    width: 100%;
    max-width: 100%;
}

@media (min-width: 768px) {
    .page-content {
        padding: var(--spacing-xl);
    }
}

/* ===== 底部导航 ===== */
.mobile-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--bottom-nav-height);
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-around;
    z-index: 100;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
}

.mobile-nav .nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all 0.2s ease;
    min-width: 60px;
}

.mobile-nav .nav-item.active {
    color: var(--primary-dark);
}

.mobile-nav .nav-item .nav-icon {
    font-size: 24px;
}

.mobile-nav .nav-item .nav-text {
    font-size: 12px;
}

/* ===== 卡片 ===== */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    min-height: 44px;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary-dark);
}

.btn-outline:hover {
    background: var(--primary-light);
}

.btn-success {
    background: var(--success);
    color: white;
}

.btn-success:hover {
    transform: translateY(-2px);
}

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

.btn-sm {
    padding: 6px 14px;
    font-size: 13px;
    min-height: 32px;
    border-radius: var(--radius-sm);
}

.btn-block {
    width: 100%;
}

/* ===== 表单 ===== */
.form-control {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 16px;
    transition: all 0.2s ease;
    background: var(--bg-card);
    color: var(--text-primary);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-light);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

/* ===== 进度条 ===== */
.progress {
    height: 12px;
    background: var(--primary-light);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius-full);
    transition: width 0.5s ease;
}

/* ===== 环形进度条 ===== */
.circle-progress {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto;
}

.circle-progress svg {
    transform: rotate(-90deg);
}

.circle-progress .progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-dark);
}

/* ===== 今日待办 ===== */
.greeting-section {
    text-align: center;
    padding: var(--spacing-lg) 0;
}

.greeting-text {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.quote-text {
    color: var(--text-secondary);
    font-size: 14px;
    font-style: italic;
}

.task-input-wrapper {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 2px solid var(--border-color);
    padding: var(--spacing-sm);
    box-shadow: var(--shadow-sm);
    align-items: center;
}

.task-input-wrapper input {
    flex: 1;
    border: none;
    padding: 12px;
    font-size: 16px;
    background: transparent;
    color: var(--text-primary);
    outline: none;
}

.task-input-wrapper input::placeholder {
    color: var(--text-secondary);
}

.task-input-wrapper .input-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    transition: all 0.2s ease;
}

.task-input-wrapper .input-btn:hover {
    background: var(--primary-light);
}

.task-input-wrapper .input-btn.submit-btn {
    background: var(--primary);
    color: white;
    border-radius: var(--radius-md);
}

.task-input-wrapper .input-btn.submit-btn:hover {
    background: var(--primary-dark);
}

/* 任务列表 */
.task-list {
    list-style: none;
    padding: 0;
}

.task-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
    animation: fadeIn 0.3s ease;
}

.task-item:hover {
    box-shadow: var(--shadow-sm);
    transform: translateX(4px);
}

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

.task-item.completed .task-title {
    text-decoration: line-through;
    color: var(--text-secondary);
}

.task-checkbox {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid var(--primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
    margin-top: 2px;
}

.task-checkbox:hover {
    background: var(--primary-light);
}

.task-checkbox.checked {
    background: var(--primary);
    border-color: var(--primary);
}

.task-checkbox.checked::after {
    content: '✓';
    color: white;
    font-size: 14px;
    font-weight: bold;
}

.task-content {
    flex: 1;
    min-width: 0;
}

.task-title {
    font-size: 15px;
    font-weight: 500;
    margin-bottom: 4px;
    word-break: break-word;
}

.task-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.task-category-badge {
    padding: 2px 10px;
    border-radius: var(--radius-full);
    font-size: 12px;
    color: white;
    font-weight: 500;
}

.task-priority-badge {
    font-size: 14px;
}

.task-actions {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}

.task-action-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    opacity: 0;
}

.task-item:hover .task-action-btn {
    opacity: 1;
}

.task-action-btn:hover {
    background: var(--primary-light);
}

.task-action-btn.delete-btn:hover {
    background: #f8d7da;
}

/* 子任务 */
.subtask-list {
    margin-top: var(--spacing-sm);
    padding-left: var(--spacing-lg);
}

.subtask-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 4px 0;
    font-size: 14px;
    color: var(--text-secondary);
}

.subtask-checkbox {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    border: 2px solid var(--border-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.subtask-checkbox.checked {
    background: var(--success);
    border-color: var(--success);
}

.subtask-checkbox.checked::after {
    content: '✓';
    color: white;
    font-size: 10px;
}

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

.section-divider {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0 var(--spacing-md);
    color: var(--text-secondary);
    font-size: 14px;
}

.section-divider::before,
.section-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

/* ===== 月历视图 ===== */
.calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
}

.calendar-title {
    font-size: 22px;
    font-weight: 700;
}

.calendar-nav {
    display: flex;
    gap: var(--spacing-sm);
}

.calendar-nav-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.calendar-nav-btn:hover {
    background: var(--primary-light);
    border-color: var(--primary);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-card);
    box-shadow: var(--shadow-sm);
}

.calendar-weekday {
    padding: var(--spacing-md);
    text-align: center;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--primary-light);
    border-bottom: 1px solid var(--border-color);
}

.calendar-day {
    min-height: 100px;
    padding: var(--spacing-sm);
    border-right: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background 0.2s ease;
    display: flex;
    flex-direction: column;
}

.calendar-day:nth-child(7n) {
    border-right: none;
}

.calendar-day:hover {
    background: var(--primary-light);
}

.calendar-day.empty {
    background: #fafafa;
    cursor: default;
}

.calendar-day.today .day-number {
    background: var(--primary);
    color: white;
    border-radius: 50%;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.day-number {
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.day-tasks {
    flex: 1;
    overflow: hidden;
}

.day-task-tag {
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 11px;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: white;
    display: block;
}

@media (max-width: 767px) {
    .calendar-weekday {
        font-size: 10px;
        padding: 3px;
    }

    .calendar-day {
        min-height: 55px;
        padding: 1px;
    }

    .day-number {
        font-size: 10px;
        margin-bottom: 1px;
    }

    .day-tasks {
        padding-top: 0px;
    }

    .day-task-tag {
        font-size: 10px;
        padding: 1px 2px;
        margin-bottom: 1px;
        transform: scale(0.8);
        transform-origin: left center;
        width: 125%;
        display: block;
    }
}

.calendar-stats {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.calendar-stat {
    text-align: center;
    flex: 1;
}

.calendar-stat .stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-dark);
}

.calendar-stat .stat-label {
    font-size: 13px;
    color: var(--text-secondary);
}

/* ===== 周计划 ===== */
.weekly-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--spacing-sm);
}

@media (max-width: 767px) {
    .weekly-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.weekly-day {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    padding: var(--spacing-md);
    min-height: 200px;
    transition: all 0.2s ease;
}

.weekly-day.today {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.weekly-day-header {
    text-align: center;
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--spacing-sm);
}

.weekly-day-name {
    font-size: 14px;
    font-weight: 600;
}

.weekly-day-date {
    font-size: 12px;
    color: var(--text-secondary);
}

.weekly-task {
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 13px;
    margin-bottom: 4px;
    color: white;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    cursor: pointer;
}

.weekly-task.completed {
    opacity: 0.5;
    text-decoration: line-through;
}

.weekly-add-btn {
    display: block;
    width: 100%;
    padding: 6px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    border-radius: 6px;
    transition: background 0.2s ease;
    margin-top: var(--spacing-sm);
}

.weekly-add-btn:hover {
    background: var(--primary-light);
    color: var(--primary-dark);
}

/* ===== 年度目标 ===== */
.goal-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
}

.goal-card:hover {
    box-shadow: var(--shadow-md);
}

.goal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.goal-title {
    font-size: 18px;
    font-weight: 600;
}

.goal-progress-text {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary-dark);
}

.kr-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px dashed var(--border-color);
}

.kr-item:last-child {
    border-bottom: none;
}

.kr-title {
    flex: 1;
    font-size: 14px;
}

.kr-progress-bar {
    width: 100px;
}

.kr-progress-text {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 45px;
    text-align: right;
}

.kr-slider {
    -webkit-appearance: none;
    width: 100%;
    height: 8px;
    border-radius: var(--radius-full);
    background: var(--primary-light);
    outline: none;
    transition: all 0.2s ease;
}

.kr-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* ===== 番茄专注 ===== */
.focus-container {
    text-align: center;
    max-width: 480px;
    margin: 0 auto;
}

.focus-pet {
    font-size: 80px;
    margin: var(--spacing-lg) 0;
    animation: float 3s ease-in-out infinite;
}

.focus-timer {
    font-size: 64px;
    font-weight: 200;
    color: var(--text-primary);
    margin: var(--spacing-lg) 0;
    font-variant-numeric: tabular-nums;
}

.focus-ring {
    margin: var(--spacing-xl) auto;
}

.focus-duration-btns {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin: var(--spacing-lg) 0;
}

.focus-duration-btn {
    padding: 8px 20px;
    border-radius: var(--radius-full);
    border: 2px solid var(--border-color);
    background: var(--bg-card);
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s ease;
}

.focus-duration-btn:hover,
.focus-duration-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.focus-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin: var(--spacing-lg) 0;
}

.focus-stat {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--primary-light);
    border-radius: var(--radius-lg);
    font-size: 14px;
    color: var(--text-primary);
}

/* ===== 宠物页面 ===== */
.pet-container {
    text-align: center;
    max-width: 500px;
    margin: 0 auto;
}

.pet-visual {
    font-size: 120px;
    margin: var(--spacing-xl) 0;
    animation: float 3s ease-in-out infinite;
}

.pet-name {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-dark);
}

.pet-stage {
    font-size: 16px;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

.pet-message {
    background: var(--primary-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    font-size: 16px;
    color: var(--text-primary);
    line-height: 1.8;
}

.pet-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.pet-stat-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    text-align: center;
}

.pet-stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-dark);
}

.pet-stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ===== 成就墙 ===== */
.achievement-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

@media (max-width: 767px) {
    .achievement-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.achievement-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.2s ease;
}

.achievement-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.achievement-card.locked {
    opacity: 0.4;
    filter: grayscale(1);
}

.achievement-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-sm);
}

.achievement-name {
    font-size: 14px;
    font-weight: 600;
}

.achievement-desc {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ===== 个人中心 ===== */
.profile-header {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.profile-avatar {
    font-size: 80px;
    margin-bottom: var(--spacing-md);
}

.profile-name {
    font-size: 24px;
    font-weight: 700;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

@media (max-width: 767px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.stat-card {
    background: var(--primary-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-dark);
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

/* ===== 设置页面 ===== */
.settings-section {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.settings-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.theme-grid {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.theme-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 3px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.theme-btn:hover {
    transform: scale(1.1);
}

.theme-btn.active {
    border-color: var(--text-primary);
}

.theme-btn.active::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-weight: bold;
    font-size: 18px;
}

/* ===== 登录/注册页 ===== */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.auth-logo {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
}

.auth-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

.auth-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

.auth-footer {
    text-align: center;
    margin-top: var(--spacing-lg);
    font-size: 14px;
    color: var(--text-secondary);
}

/* ===== 引导页 ===== */
.landing-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-xl);
}

.landing-emoji {
    font-size: 100px;
    margin-bottom: var(--spacing-lg);
    animation: float 3s ease-in-out infinite;
}

.landing-title {
    font-size: 42px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.landing-title span {
    color: var(--primary-dark);
}

.landing-desc {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 500px;
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
}

.landing-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    max-width: 700px;
    margin-bottom: var(--spacing-xl);
}

@media (max-width: 767px) {
    .landing-features {
        grid-template-columns: 1fr;
    }
}

.landing-feature {
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
}

.landing-feature:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.landing-feature-icon {
    font-size: 36px;
    margin-bottom: var(--spacing-sm);
}

.landing-feature-title {
    font-size: 15px;
    font-weight: 600;
}

.landing-actions {
    display: flex;
    gap: var(--spacing-md);
}

/* ===== Toast通知 ===== */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.toast {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--primary);
    animation: slideInRight 0.3s ease;
    font-size: 14px;
    max-width: 350px;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.toast.success {
    border-left-color: var(--success);
}

.toast.error {
    border-left-color: var(--danger);
}

/* ===== 弹窗 ===== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}

.modal-overlay.active {
    display: flex;
}

.modal-content {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    max-width: 500px;
    width: 90%;
    box-shadow: var(--shadow-lg);
    animation: scaleIn 0.2s ease;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.modal-title {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    font-size: 20px;
    cursor: pointer;
    border-radius: 50%;
    transition: background 0.2s ease;
}

.modal-close:hover {
    background: var(--primary-light);
}

/* ===== Category Select ===== */
.category-select {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.category-option {
    padding: 6px 14px;
    border-radius: var(--radius-full);
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s ease;
    color: white;
}

.category-option:hover {
    transform: scale(1.05);
}

.category-option.active {
    border-color: var(--text-primary);
    box-shadow: var(--shadow-sm);
}

.priority-select {
    display: flex;
    gap: var(--spacing-sm);
}

.priority-option {
    padding: 6px 14px;
    border-radius: var(--radius-full);
    border: 2px solid var(--border-color);
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s ease;
    background: var(--bg-card);
}

.priority-option:hover {
    border-color: var(--primary);
}

.priority-option.active {
    background: var(--primary-light);
    border-color: var(--primary);
}

/* ===== 浮动添加按钮 ===== */
.fab {
    position: fixed;
    bottom: 90px;
    right: 24px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    border: none;
    font-size: 28px;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    z-index: 90;
}

.fab:hover {
    transform: scale(1.1);
    background: var(--primary-dark);
}

@media (min-width: 768px) {
    .fab {
        bottom: 32px;
        right: 32px;
    }
}

/* ===== 消息提示 ===== */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    font-size: 14px;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error,
.alert-danger {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-warning {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* ===== 后台管理 ===== */
.admin-sidebar {
    width: 220px;
    background: #2c3e50;
    color: white;
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

.admin-sidebar .sidebar-header {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.admin-sidebar .sidebar-item {
    color: rgba(255, 255, 255, 0.8);
}

.admin-sidebar .sidebar-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.admin-sidebar .sidebar-item.active {
    background: var(--primary);
    color: white;
}

.admin-main {
    margin-left: 220px;
    padding: var(--spacing-xl);
    min-height: 100vh;
    background: #f5f6fa;
}

.admin-stat-card {
    background: white;
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

/* ===== 动画 ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

@keyframes bounce {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.1);
    }
}

@keyframes confettiDrop {
    0% {
        transform: translateY(-10px) rotate(0deg);
        opacity: 1;
    }

    100% {
        transform: translateY(100vh) rotate(720deg);
        opacity: 0;
    }
}

@keyframes sakuraFall {
    0% {
        transform: translateY(-10px) rotate(0deg) translateX(0);
        opacity: 1;
    }

    100% {
        transform: translateY(100vh) rotate(360deg) translateX(100px);
        opacity: 0;
    }
}

.fade-in {
    animation: fadeIn 0.3s ease;
}

.bounce {
    animation: bounce 0.3s ease;
}

/* ===== 工具类 ===== */
.text-center {
    text-align: center;
}

.text-primary {
    color: var(--primary-dark);
}

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

.text-muted {
    color: var(--text-secondary);
}

.d-flex {
    display: flex;
}

.align-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-sm {
    gap: var(--spacing-sm);
}

.gap-md {
    gap: var(--spacing-md);
}

.mt-1 {
    margin-top: var(--spacing-sm);
}

.mt-2 {
    margin-top: var(--spacing-md);
}

.mt-3 {
    margin-top: var(--spacing-lg);
}

.mb-1 {
    margin-bottom: var(--spacing-sm);
}

.mb-2 {
    margin-bottom: var(--spacing-md);
}

.mb-3 {
    margin-bottom: var(--spacing-lg);
}

/* Responsive helpers */
.d-none {
    display: none !important;
}

@media (min-width: 768px) {
    .d-md-none {
        display: none !important;
    }

    .d-md-flex {
        display: flex !important;
    }

    .d-md-block {
        display: block !important;
    }
}

@media (max-width: 767px) {
    .d-mobile-none {
        display: none !important;
    }
}