/* ===== 考研二战·终极逆袭系统 样式 ===== */

/* ===== CSS 变量 ===== */
:root {
    --primary: #D4442E;
    --primary-dark: #B83320;
    --primary-light: #E8664E;
    --accent: #F39C12;
    --accent-dark: #E67E22;
    --success: #2ECC71;
    --success-dark: #27AE60;
    --warning: #F39C12;
    --danger: #E74C3C;
    --info: #3498DB;
    --bg: #F5F5F5;
    --bg-dark: #1A1A2E;
    --bg-card: #FFFFFF;
    --bg-section: #F0F0F0;
    --text: #2C3E50;
    --text-light: #7F8C8D;
    --text-dark: #1A1A2E;
    --border: #E0E0E0;
    --shadow: rgba(0,0,0,0.1);
    --shadow-lg: rgba(0,0,0,0.15);
    --fire-gradient: linear-gradient(135deg, #D4442E, #F39C12);
    --fire-gradient-dark: linear-gradient(135deg, #B83320, #E67E22);
    --gold-gradient: linear-gradient(135deg, #F39C12, #F1C40F);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --icon-color-task: #D4442E;
    --icon-color-review: #4A90D9;
    --icon-color-memo: #F39C12;
    --icon-color-knowledge: #2ECC71;
    --icon-color-level: #9B59B6;
    --icon-color-home: #D4442E;
}

/* ===== 主题色覆盖 ===== */
body.theme-blue {
    --primary: #5B9BD5;
    --primary-dark: #4A90D9;
    --primary-light: #7AB8E8;
    --fire-gradient: linear-gradient(135deg, #5B9BD5, #4A90D9);
    --fire-gradient-dark: linear-gradient(135deg, #4A90D9, #357ABD);
    --icon-color-home: #5B9BD5;
    --icon-color-task: #5B9BD5;
}
body.theme-green {
    --primary: #52C41A;
    --primary-dark: #389E0D;
    --primary-light: #73D13D;
    --fire-gradient: linear-gradient(135deg, #52C41A, #95DE64);
    --fire-gradient-dark: linear-gradient(135deg, #389E0D, #52C41A);
    --icon-color-home: #52C41A;
    --icon-color-task: #52C41A;
}
body.theme-yellow {
    --primary: #F1C40F;
    --primary-dark: #D4AC0D;
    --primary-light: #F4D03F;
    --fire-gradient: linear-gradient(135deg, #F1C40F, #F7DC6F);
    --fire-gradient-dark: linear-gradient(135deg, #D4AC0D, #F1C40F);
    --icon-color-home: #F1C40F;
    --icon-color-task: #F1C40F;
    --text: #4A4A4A;
}
body.theme-purple {
    --primary: #9B59B6;
    --primary-dark: #8E44AD;
    --primary-light: #AF7AC5;
    --fire-gradient: linear-gradient(135deg, #9B59B6, #C39BD3);
    --fire-gradient-dark: linear-gradient(135deg, #8E44AD, #9B59B6);
    --icon-color-home: #9B59B6;
    --icon-color-task: #9B59B6;
}
body.theme-orange {
    --primary: #E67E22;
    --primary-dark: #D35400;
    --primary-light: #EB984E;
    --fire-gradient: linear-gradient(135deg, #E67E22, #F39C12);
    --fire-gradient-dark: linear-gradient(135deg, #D35400, #E67E22);
    --icon-color-home: #E67E22;
    --icon-color-task: #E67E22;
}
body.theme-pink {
    --primary: #FF85C0;
    --primary-dark: #F759AB;
    --primary-light: #FFA3D2;
    --fire-gradient: linear-gradient(135deg, #FF85C0, #FFC4E1);
    --fire-gradient-dark: linear-gradient(135deg, #F759AB, #FF85C0);
    --icon-color-home: #FF85C0;
    --icon-color-task: #FF85C0;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans SC', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

.hidden { display: none !important; }

/* ===== 侧边抽屉 ===== */
.drawer-overlay {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.4);
    z-index: 100;
    opacity: 0; visibility: hidden;
    transition: all 0.3s ease;
}
.drawer-overlay.active { opacity: 1; visibility: visible; }

.sidebar {
    position: fixed; top: 0; left: -280px; width: 280px; height: 100%;
    background: linear-gradient(180deg, #FFF 0%, var(--bg) 100%);
    z-index: 110;
    transition: left 0.3s ease;
    display: flex; flex-direction: column;
    overflow-y: auto;
    box-shadow: 4px 0 20px rgba(0,0,0,0.1);
}
.sidebar.active { left: 0; }

.sidebar-header {
    padding: 24px 20px;
    display: flex; align-items: center; justify-content: space-between;
    border-bottom: 1px solid var(--border);
    background: var(--fire-gradient);
}

.sidebar-logo {
    display: flex; align-items: center; gap: 10px;
    color: #FFF; font-size: 18px; font-weight: 700;
}
.sidebar-logo i { color: #FFF; font-size: 22px; }

.sidebar-close {
    background: none; border: none; color: rgba(255,255,255,0.8); font-size: 20px;
    cursor: pointer; padding: 5px;
}
.sidebar-close:hover { color: #FFF; }

.sidebar-nav { flex: 1; padding: 15px 0; }

.nav-item {
    display: flex; align-items: center; gap: 12px;
    padding: 14px 20px;
    color: var(--text); font-size: 15px; cursor: pointer;
    transition: all 0.2s;
    margin: 4px 12px;
    border-radius: var(--radius-sm);
}
.nav-item:hover { background: rgba(0,0,0,0.04); color: var(--primary); }
.nav-item.active { background: rgba(0,0,0,0.06); color: var(--primary); font-weight: 700; }
.nav-item i { width: 22px; text-align: center; font-size: 16px; }
.nav-item:nth-child(1) i { color: var(--icon-color-home); }
.nav-item:nth-child(2) i { color: var(--icon-color-level); }
.nav-item:nth-child(3) i { color: var(--icon-color-review); }
.nav-item:nth-child(4) i { color: var(--icon-color-memo); }
.nav-item:nth-child(5) i { color: var(--icon-color-knowledge); }
.nav-item:nth-child(6) i { color: #E91E63; }
.sidebar-footer .nav-item:nth-child(1) i { color: var(--text-light); }
.sidebar-footer .nav-item:nth-child(2) i { color: var(--success); }

.sidebar-footer {
    padding: 15px 0;
    border-top: 1px solid var(--border);
}

/* ===== 主内容区 ===== */
.main-content {
    margin: 0;
    min-height: 100vh;
    padding-bottom: 30px;
}

/* ===== 顶部导航栏 ===== */
.top-bar {
    position: sticky; top: 0; z-index: 50;
    background: var(--fire-gradient);
    padding: 12px 16px;
    display: flex; align-items: center; justify-content: space-between;
    box-shadow: 0 2px 10px var(--shadow-lg);
}

.top-motto {
    flex: 1;
    text-align: center;
    padding: 0 8px;
    max-width: 60%;
}
.top-motto-title {
    color: rgba(255,255,255,0.85); font-size: 11px;
    font-weight: 600; letter-spacing: 1px;
    text-transform: uppercase;
}
.top-motto-text {
    color: #FFF; font-size: 14px; font-weight: 700;
    letter-spacing: 0.5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.menu-btn, .add-btn {
    background: rgba(255,255,255,0.2); border: none;
    color: #FFF; font-size: 18px; cursor: pointer;
    width: 36px; height: 36px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    transition: background 0.2s;
}
.menu-btn:hover, .add-btn:hover { background: rgba(255,255,255,0.35); }

/* ===== 模块切换 ===== */
.module { display: none; padding: 16px; }
.module.active { display: block; }

/* ===== 每日台词督促 ===== */
.daily-quote-banner {
    background: var(--bg-dark);
    border-radius: var(--radius);
    padding: 16px 20px;
    margin-bottom: 16px;
    position: relative;
    overflow: hidden;
}
.daily-quote-banner::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background: var(--fire-gradient);
    opacity: 0.15;
}

.quote-icon {
    color: var(--primary); font-size: 20px;
    margin-bottom: 8px;
}

.quote-text {
    color: #FFF; font-size: 16px; font-weight: 600;
    line-height: 1.6; letter-spacing: 0.5px;
    position: relative;
}

.quote-source {
    color: #AAA; font-size: 12px;
    margin-top: 8px;
    text-align: right;
}

/* ===== 考研倒计时 ===== */
.countdown-section { margin-bottom: 16px; }

.countdown-top-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 12px;
}

.exam-countdown-card {
    background: var(--fire-gradient);
    border-radius: var(--radius);
    padding: 16px 12px;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 140px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.exam-countdown-card.intensive-countdown-card {
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
}
.exam-countdown-card::after {
    content: '';
    position: absolute; top: -50%; left: -50%;
    width: 200%; height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: fire-pulse 3s ease-in-out infinite;
}

.exam-countdown-label {
    color: rgba(255,255,255,0.9); font-size: 12px;
    font-weight: 600; letter-spacing: 1px;
    position: relative;
}

.exam-countdown-days {
    color: #FFF; font-size: 42px; font-weight: 900;
    position: relative;
    line-height: 1.2;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.exam-countdown-sublabel {
    color: rgba(255,255,255,0.8); font-size: 11px;
    position: relative;
}

.exam-countdown-date {
    color: rgba(255,255,255,0.7); font-size: 11px;
    position: relative; margin-top: 4px;
}

@keyframes fire-pulse {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.1); opacity: 0.5; }
}

.countdown-carousel {
    display: flex; gap: 12px;
    overflow-x: auto; scroll-snap-type: x mandatory;
    padding: 0 0 12px 0;
    -webkit-overflow-scrolling: touch;
}

.countdown-card {
    min-width: 160px;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    padding: 16px;
    text-align: center;
    box-shadow: 0 2px 8px var(--shadow);
    scroll-snap-align: start;
    position: relative;
    overflow: hidden;
}
.countdown-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 4px;
    background: var(--primary);
}
.countdown-card-name { font-size: 14px; font-weight: 600; color: var(--text); }
.countdown-card-days { font-size: 32px; font-weight: 900; color: var(--primary); }
.countdown-card-date { font-size: 12px; color: var(--text-light); }
.countdown-card-delete {
    position: absolute; top: 8px; right: 8px;
    background: none; border: none; color: #CCC;
    cursor: pointer; font-size: 14px;
}
.countdown-card-delete:hover { color: var(--danger); }

.countdown-add-btn {
    display: flex; align-items: center; justify-content: center; gap: 6px;
    background: none; border: 2px dashed var(--border);
    color: var(--text-light); font-size: 14px;
    padding: 12px; border-radius: var(--radius-sm);
    cursor: pointer; width: 100%;
    transition: all 0.2s;
}
.countdown-add-btn:hover { border-color: var(--primary); color: var(--primary); }

/* ===== 小精灵区域 ===== */
.spirit-pet-section { margin-bottom: 16px; }

.spirit-pet-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: 0 2px 10px var(--shadow);
    display: flex; flex-wrap: wrap; gap: 16px;
    align-items: center;
    position: relative;
    overflow: hidden;
}
.spirit-pet-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 4px;
    background: var(--fire-gradient);
}

.spirit-pet-display {
    width: 80px; height: 80px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 40px;
    position: relative;
    flex-shrink: 0;
}
.spirit-pet-display.stage-egg {
    background: radial-gradient(circle, #FFE4B5 30%, #F5DEB3 100%);
    border: 3px solid #F39C12;
}
.spirit-pet-display.stage-幼崽 {
    background: radial-gradient(circle, #FF6B35 20%, #FF4500 80%);
    border: 3px solid #FF6B35;
    animation: spirit-glow 2s ease-in-out infinite;
}
.spirit-pet-display.stage-成年体 {
    background: radial-gradient(circle, #FF2200 10%, #D4442E 50%, #8B0000 100%);
    border: 3px solid #FF6B35;
    animation: spirit-glow 1.5s ease-in-out infinite;
    box-shadow: 0 0 15px rgba(212,68,46,0.5);
}

@keyframes spirit-glow {
    0%, 100% { box-shadow: 0 0 5px rgba(255,100,0,0.3); }
    50% { box-shadow: 0 0 20px rgba(255,100,0,0.6); }
}

.spirit-pet-info {
    flex: 1; min-width: 120px;
}

.spirit-name {
    font-size: 20px; font-weight: 800;
    color: var(--primary);
}

.spirit-species {
    font-size: 12px; color: var(--text-light);
    margin-top: 2px;
}

.spirit-stage-badge, .spirit-rank-badge {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 4px 10px; border-radius: 20px;
    font-size: 12px; font-weight: 600;
    margin-top: 6px; margin-right: 8px;
}
.spirit-stage-badge {
    background: #FFF3E0; color: var(--accent);
}
.spirit-rank-badge {
    background: rgba(212,68,46,0.1); color: var(--primary);
}

.spirit-xp-bar {
    width: 100%;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.spirit-xp-label {
    display: flex; justify-content: space-between;
    font-size: 12px; color: var(--text-light);
    margin-bottom: 6px;
}
.spirit-xp-value { color: var(--primary); font-weight: 700; }

.spirit-xp-progress {
    height: 8px;
    background: #EEE;
    border-radius: 4px;
    overflow: hidden;
}
.spirit-xp-fill {
    height: 100%;
    background: var(--fire-gradient);
    border-radius: 4px;
    transition: width 0.5s ease;
}

.spirit-xp-next {
    font-size: 11px; color: var(--text-light);
    margin-top: 4px;
}

.spirit-mood {
    width: 100%;
    text-align: center;
    padding: 8px;
    font-size: 13px; color: var(--text-light);
    border-radius: var(--radius-sm);
    background: var(--bg-section);
    margin-top: 8px;
}
.spirit-mood i { color: var(--primary); }

/* ===== 奖惩与危机机制 ===== */
.reward-punishment-section { margin-bottom: 16px; }

.rp-cards { display: flex; flex-direction: column; gap: 10px; }

.rp-card {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    display: flex; align-items: center; gap: 12px;
    font-size: 14px;
    position: relative;
}
.rp-card.crisis-late {
    background: #FFF0F0; border-left: 4px solid var(--danger);
    color: var(--danger);
}
.rp-card.crisis-hours {
    background: #FFF8E1; border-left: 4px solid var(--warning);
    color: var(--accent-dark);
}
.rp-card.crisis-mock {
    background: #F3E5F5; border-left: 4px solid #9B59B6;
    color: #9B59B6;
}
.rp-card.reward-daily {
    background: #E8F5E9; border-left: 4px solid var(--success);
    color: var(--success-dark);
}
.rp-card.reward-weekly {
    background: #FFF3E0; border-left: 4px solid var(--accent);
    color: var(--accent);
}
.rp-card i { font-size: 18px; flex-shrink: 0; }
.rp-card-text { flex: 1; }
.rp-card-time { font-size: 12px; color: var(--text-light); flex-shrink: 0; }

.rp-stats {
    display: flex; gap: 12px;
    margin-top: 12px;
}
.rp-stat-item {
    flex: 1;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    padding: 12px;
    text-align: center;
    box-shadow: 0 1px 4px var(--shadow);
}
.rp-stat-icon { font-size: 20px; color: var(--primary); }
.rp-stat-value { font-size: 20px; font-weight: 800; color: var(--text); }
.rp-stat-label { font-size: 11px; color: var(--text-light); }

/* ===== 任务卡片区域 ===== */
.task-section { margin-bottom: 16px; }

.section-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 12px;
}
.section-header h2 {
    font-size: 18px; font-weight: 700; color: var(--text);
    display: flex; align-items: center; gap: 8px;
}
.section-header h2 i { color: var(--primary); }

.task-summary {
    font-size: 13px; color: var(--text-light);
    background: rgba(212,68,46,0.1);
    padding: 4px 10px; border-radius: 20px;
}

.task-list { display: flex; flex-direction: column; gap: 10px; }

.task-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 14px 16px;
    box-shadow: 0 2px 8px var(--shadow);
    position: relative;
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}
.task-card:hover { transform: translateY(-2px); box-shadow: 0 4px 12px var(--shadow-lg); }
.task-card::before {
    content: '';
    position: absolute; top: 0; left: 0; width: 4px; height: 100%;
    background: var(--task-color, var(--primary));
}

.task-card-top {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 8px;
}

.task-name {
    font-size: 15px; font-weight: 600;
    color: var(--text);
    display: flex; align-items: center; gap: 6px;
}
.task-name i { color: var(--task-color, var(--primary)); font-size: 14px; }

.task-target {
    font-size: 12px; color: var(--text-light);
}

.task-actions {
    display: flex; gap: 6px;
}
.task-action-btn {
    background: none; border: none; color: #CCC;
    font-size: 14px; cursor: pointer; padding: 4px;
}
.task-action-btn:hover { color: var(--primary); }
.task-action-btn.timer-active { color: var(--primary); font-weight: 700; }

.task-progress-bar {
    height: 6px; background: #EEE;
    border-radius: 3px; margin-bottom: 8px;
    overflow: hidden;
}
.task-progress-fill {
    height: 100%;
    background: var(--task-color, var(--primary));
    border-radius: 3px;
    transition: width 0.3s ease;
}

.task-card-bottom {
    display: flex; align-items: center; justify-content: space-between;
}

.task-timer {
    display: flex; align-items: center; gap: 8px;
}
.task-timer-display {
    font-size: 14px; font-weight: 600;
    color: var(--task-color, var(--primary));
    font-variant-numeric: tabular-nums;
}

.task-timer-btn {
    background: var(--task-color, var(--primary));
    color: #FFF; border: none;
    padding: 6px 12px; border-radius: 20px;
    font-size: 12px; cursor: pointer;
    transition: all 0.2s;
}
.task-timer-btn:hover { filter: brightness(1.1); }
.task-timer-btn.running { background: var(--primary-dark); }

.task-manual-btn {
    background: none; border: 1px solid var(--border);
    color: var(--text-light); font-size: 12px;
    padding: 6px 10px; border-radius: 20px;
    cursor: pointer; transition: all 0.2s;
}
.task-manual-btn:hover { border-color: var(--primary); color: var(--primary); }

.task-done-btn {
    background: none; border: 2px solid var(--border);
    color: var(--text-light); font-size: 14px;
    width: 28px; height: 28px; border-radius: 50%;
    cursor: pointer; display: flex; align-items: center; justify-content: center;
    transition: all 0.2s;
}
.task-done-btn:hover { border-color: var(--success); color: var(--success); }
.task-done-btn.completed {
    background: var(--success); border-color: var(--success);
    color: #FFF;
}

/* ===== 统计图表 ===== */
.analytics-section { margin-top: 16px; }

.chart-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 12px;
    box-shadow: 0 2px 8px var(--shadow);
}
.chart-card h3 {
    font-size: 14px; color: var(--text);
    margin-bottom: 12px;
}

.chart-container {
    position: relative;
    height: 200px;
}
.chart-container-wide { height: 160px; }

.chart-empty-msg {
    text-align: center; color: var(--text-light);
    font-size: 14px; padding: 20px;
    display: none;
}

.trend-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 0;
}
.trend-header h3 { margin-bottom: 0; }

.trend-tabs {
    display: flex; gap: 6px;
}
.trend-tab {
    background: var(--bg-section); border: none;
    color: var(--text-light); font-size: 12px;
    padding: 6px 12px; border-radius: 20px;
    cursor: pointer; transition: all 0.2s;
}
.trend-tab.active { background: var(--primary); color: #FFF; }

/* ===== 升级进度条模块 ===== */
.level-total-target {
    font-size: 14px; color: var(--primary);
    font-weight: 700;
    background: rgba(212,68,46,0.1);
    padding: 4px 12px; border-radius: 20px;
}

.level-progress-list {
    display: flex; flex-direction: column; gap: 16px;
}

.level-subject-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 16px;
    box-shadow: 0 2px 8px var(--shadow);
    position: relative;
    overflow: hidden;
}
.level-subject-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 4px;
    background: var(--subject-color, var(--primary));
}

.level-subject-header {
    display: flex; align-items: center; gap: 10px;
    margin-bottom: 12px;
}
.level-subject-icon {
    width: 36px; height: 36px; border-radius: 50%;
    background: var(--subject-color, var(--primary));
    color: #FFF; display: flex; align-items: center; justify-content: center;
    font-size: 16px;
}
.level-subject-name {
    font-size: 16px; font-weight: 700; color: var(--text);
}
.level-subject-target {
    font-size: 12px; color: var(--text-light);
}
.level-current-badge {
    background: var(--subject-color, var(--primary));
    color: #FFF; font-size: 12px; font-weight: 700;
    padding: 4px 10px; border-radius: 20px;
    margin-left: auto;
}

.level-bar-container { margin-bottom: 12px; }
.level-bar-label {
    display: flex; justify-content: space-between;
    font-size: 12px; color: var(--text-light);
    margin-bottom: 6px;
}
.level-bar-progress {
    height: 10px; background: #EEE; border-radius: 5px;
    overflow: hidden; position: relative;
}
.level-bar-fill {
    height: 100%;
    background: var(--subject-color, var(--primary));
    border-radius: 5px;
    transition: width 0.5s ease;
}
.level-bar-stages {
    display: flex; justify-content: space-between;
    margin-top: 4px;
}
.level-bar-stage {
    font-size: 10px; color: var(--text-light);
    padding: 2px 4px;
    border-radius: 4px;
}
.level-bar-stage.reached {
    color: var(--subject-color, var(--primary));
    font-weight: 700;
    background: rgba(0,0,0,0.05);
}

.level-checkpoints {
    display: flex; flex-direction: column; gap: 8px;
}
.level-checkpoint-item {
    display: flex; align-items: center; gap: 8px;
    padding: 8px 12px;
    background: var(--bg-section);
    border-radius: var(--radius-sm);
    font-size: 13px;
    transition: all 0.2s;
}
.level-checkpoint-item.checked {
    background: rgba(46,204,113,0.1);
}
.level-checkpoint-checkbox {
    width: 22px; height: 22px; border-radius: 50%;
    border: 2px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; font-size: 12px;
    transition: all 0.2s;
    flex-shrink: 0;
}
.level-checkpoint-checkbox.checked {
    background: var(--success); border-color: var(--success);
    color: #FFF;
}
.level-checkpoint-text {
    flex: 1; color: var(--text);
}
.level-checkpoint-text.checked {
    color: var(--success-dark);
}

/* ===== 复盘与计划 ===== */
.review-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 12px;
    box-shadow: 0 2px 8px var(--shadow);
}
.review-card-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 12px;
}
.review-card-header h3 {
    font-size: 16px; color: var(--text);
    display: flex; align-items: center; gap: 6px;
}
.review-card-header h3 i { color: var(--primary); }
.review-date { font-size: 13px; color: var(--text-light); }

.add-plan-btn {
    background: var(--primary); color: #FFF;
    border: none; width: 28px; height: 28px;
    border-radius: 50%; font-size: 14px;
    cursor: pointer; display: flex; align-items: center; justify-content: center;
}

.journal-input {
    width: 100%; border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px; font-size: 14px;
    resize: vertical; min-height: 80px;
    transition: border-color 0.2s;
}
.journal-input:focus { border-color: var(--primary); outline: none; }

.save-btn {
    background: var(--fire-gradient); color: #FFF;
    border: none; padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-size: 14px; cursor: pointer;
    margin-top: 10px;
    display: flex; align-items: center; gap: 6px;
    transition: filter 0.2s;
}
.save-btn:hover { filter: brightness(1.1); }

.journal-history { margin-top: 16px; }
.journal-item {
    padding: 12px; margin-bottom: 8px;
    background: var(--bg-section);
    border-radius: var(--radius-sm);
    position: relative;
}
.journal-item-date { font-size: 12px; color: var(--text-light); }
.journal-item-text { font-size: 14px; color: var(--text); margin-top: 4px; }
.journal-item-delete {
    position: absolute; top: 8px; right: 8px;
    background: none; border: none; color: #CCC;
    cursor: pointer; font-size: 14px;
}
.journal-item-delete:hover { color: var(--danger); }

.plan-list { display: flex; flex-direction: column; gap: 8px; }
.plan-item {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 12px;
    background: var(--bg-section);
    border-radius: var(--radius-sm);
}
.plan-item-checkbox {
    width: 22px; height: 22px; border-radius: 4px;
    border: 2px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; font-size: 12px;
    transition: all 0.2s;
}
.plan-item-checkbox.checked {
    background: var(--success); border-color: var(--success);
    color: #FFF;
}
.plan-item-text { flex: 1; font-size: 14px; color: var(--text); }
.plan-item-text.done { color: var(--text-light); }
.plan-item-delete {
    background: none; border: none; color: #CCC;
    cursor: pointer; font-size: 14px;
}
.plan-item-delete:hover { color: var(--danger); }

/* ===== 备忘录 ===== */
.memo-warning-banner {
    background: rgba(212,68,46,0.08);
    border: 1px solid rgba(212,68,46,0.2);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    font-size: 13px; color: var(--primary);
    display: flex; align-items: center; gap: 8px;
    margin-bottom: 12px;
}
.memo-warning-banner i { font-size: 16px; }

.memo-input-area {
    display: flex; gap: 8px; margin-bottom: 12px;
}
.memo-input {
    flex: 1; border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 14px; font-size: 14px;
}
.memo-input:focus { border-color: var(--primary); outline: none; }
.memo-add-btn {
    background: var(--primary); color: #FFF;
    border: none; width: 40px; height: 40px;
    border-radius: var(--radius-sm);
    font-size: 16px; cursor: pointer;
}

.memo-list { display: flex; flex-direction: column; gap: 8px; }
.memo-item {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 14px;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    box-shadow: 0 1px 4px var(--shadow);
}
.memo-item-text { flex: 1; font-size: 14px; color: var(--text); }
.memo-item-time { font-size: 12px; color: var(--text-light); }
.memo-item-delete {
    background: none; border: none; color: #CCC;
    cursor: pointer; font-size: 14px;
}
.memo-item-delete:hover { color: var(--danger); }

/* ===== 错题与资料库 ===== */
.subject-tabs {
    display: flex; gap: 6px;
    overflow-x: auto;
    padding-bottom: 10px;
    margin-bottom: 12px;
    -webkit-overflow-scrolling: touch;
}
.subject-tab {
    background: var(--bg-section); border: none;
    color: var(--text-light); font-size: 13px;
    padding: 8px 14px; border-radius: 20px;
    cursor: pointer; white-space: nowrap;
    transition: all 0.2s;
}
.subject-tab.active { background: var(--primary); color: #FFF; }

.knowledge-add-area {
    display: flex; gap: 8px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}
.knowledge-add-btn {
    background: var(--bg-card); border: 1px solid var(--border);
    color: var(--text); font-size: 13px;
    padding: 10px 14px; border-radius: var(--radius-sm);
    cursor: pointer; display: flex; align-items: center; gap: 6px;
    transition: all 0.2s;
}
.knowledge-add-btn:hover { border-color: var(--primary); color: var(--primary); }
.knowledge-add-btn i { color: var(--primary); }

.knowledge-list { display: flex; flex-direction: column; gap: 10px; }
.knowledge-item {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 14px;
    box-shadow: 0 2px 8px var(--shadow);
}
.knowledge-item-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 8px;
}
.knowledge-item-subject {
    font-size: 12px; font-weight: 600;
    padding: 4px 8px; border-radius: 20px;
    background: rgba(212,68,46,0.1); color: var(--primary);
}
.knowledge-item-date { font-size: 12px; color: var(--text-light); }
.knowledge-item-text { font-size: 14px; color: var(--text); }
.knowledge-item-photo {
    max-width: 100%; border-radius: var(--radius-sm);
    margin-top: 8px;
}
.knowledge-item-file {
    display: flex; align-items: center; gap: 6px;
    font-size: 13px; color: var(--text-light);
    margin-top: 8px;
}
.knowledge-item-delete {
    background: none; border: none; color: #CCC;
    cursor: pointer; font-size: 14px; margin-top: 8px;
}
.knowledge-item-delete:hover { color: var(--danger); }

.photo-preview {
    max-width: 200px; border-radius: var(--radius-sm);
    margin-top: 8px;
}

.file-info {
    font-size: 13px; color: var(--text-light);
    margin-top: 4px;
}

/* ===== 全屏专注模式 ===== */
.focus-mode {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: var(--bg-dark);
    z-index: 200;
    display: flex; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden;
    transition: all 0.3s ease;
}
.focus-mode.active { opacity: 1; visibility: visible; }

.focus-content {
    text-align: center;
    color: #FFF;
}

.focus-subject {
    font-size: 24px; font-weight: 700;
    margin-bottom: 20px;
    color: var(--primary);
}

.focus-timer-display {
    font-size: 64px; font-weight: 900;
    font-variant-numeric: tabular-nums;
    letter-spacing: 2px;
    text-shadow: 0 2px 10px rgba(212,68,46,0.5);
}

.focus-breathing {
    margin: 30px auto;
    width: 120px; height: 120px;
}

.breathing-circle {
    width: 120px; height: 120px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212,68,46,0.3), transparent);
    border: 2px solid rgba(212,68,46,0.5);
    animation: breathing 4s ease-in-out infinite;
}

@keyframes breathing {
    0%, 100% { transform: scale(0.8); opacity: 0.5; }
    50% { transform: scale(1.2); opacity: 0.8; }
}

.focus-controls {
    display: flex; gap: 20px;
    justify-content: center;
    margin-top: 30px;
}
.focus-btn {
    width: 60px; height: 60px; border-radius: 50%;
    background: rgba(255,255,255,0.1);
    border: 2px solid rgba(255,255,255,0.3);
    color: #FFF; font-size: 20px;
    cursor: pointer; display: flex; align-items: center; justify-content: center;
    transition: all 0.2s;
}
.focus-btn:hover { background: rgba(255,255,255,0.2); }
.focus-pause-btn.running { border-color: var(--primary); color: var(--primary); }
.focus-stop-btn { border-color: var(--danger); color: var(--danger); }

/* ===== 模态框 ===== */
.modal {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    z-index: 150;
    display: flex; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden;
    transition: all 0.3s ease;
}
.modal.active { opacity: 1; visibility: visible; }

.modal-overlay {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 140;
    opacity: 0; visibility: hidden;
    transition: all 0.3s ease;
}
.modal-overlay.active { opacity: 1; visibility: visible; }

.modal-content {
    background: var(--bg-card);
    border-radius: var(--radius);
    width: 90%; max-width: 400px;
    max-height: 90vh; overflow-y: auto;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    transform: translateY(20px);
    transition: transform 0.3s ease;
}
.modal.active .modal-content { transform: translateY(0); }

.modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}
.modal-header h3 {
    font-size: 18px; color: var(--text);
}
.modal-close {
    background: none; border: none; color: #CCC;
    font-size: 18px; cursor: pointer;
}
.modal-close:hover { color: var(--text); }

.modal-body { padding: 20px; }

.form-group { margin-bottom: 16px; }
.form-group label {
    display: block; font-size: 14px;
    color: var(--text); margin-bottom: 6px;
    font-weight: 600;
}
.form-group input[type="text"],
.form-group input[type="date"],
.form-group input[type="number"],
.form-group textarea,
.form-group select {
    width: 100%; border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 14px; font-size: 14px;
    color: var(--text);
    transition: border-color 0.2s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--primary); outline: none;
}

.duration-input {
    display: flex; align-items: center; gap: 8px;
}
.duration-input input {
    width: 70px; text-align: center;
}
.duration-input span { font-size: 14px; color: var(--text-light); }

.color-picker {
    display: flex; gap: 8px; flex-wrap: wrap;
}
.color-option {
    width: 32px; height: 32px; border-radius: 50%;
    cursor: pointer; border: 3px solid transparent;
    transition: all 0.2s;
}
.color-option.selected { border-color: var(--text); transform: scale(1.1); }

.modal-footer {
    display: flex; gap: 10px; justify-content: flex-end;
    padding: 16px 20px;
    border-top: 1px solid var(--border);
}

.btn-cancel {
    background: var(--bg-section); border: none;
    color: var(--text-light); padding: 10px 20px;
    border-radius: var(--radius-sm); font-size: 14px;
    cursor: pointer;
}
.btn-primary {
    background: var(--fire-gradient); color: #FFF;
    border: none; padding: 10px 20px;
    border-radius: var(--radius-sm); font-size: 14px;
    cursor: pointer; font-weight: 600;
    transition: filter 0.2s;
}
.btn-primary:hover { filter: brightness(1.1); }

.btn-danger {
    background: var(--danger); color: #FFF;
    border: none; padding: 10px 20px;
    border-radius: var(--radius-sm); font-size: 14px;
    cursor: pointer;
}

.btn-danger-sm {
    background: var(--danger); color: #FFF;
    border: none; padding: 6px 14px;
    border-radius: var(--radius-sm); font-size: 12px;
    cursor: pointer;
}
.btn-primary-sm {
    background: var(--primary); color: #FFF;
    border: none; padding: 6px 14px;
    border-radius: var(--radius-sm); font-size: 12px;
    cursor: pointer;
}

.settings-item {
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}

/* ===== 危机弹窗 ===== */
.crisis-alert {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    z-index: 250;
    display: flex; align-items: center; justify-content: center;
    background: rgba(0,0,0,0.7);
    opacity: 0; visibility: hidden;
    transition: all 0.3s ease;
}
.crisis-alert.active { opacity: 1; visibility: visible; }

.crisis-alert-content {
    background: #FFF;
    border-radius: var(--radius-lg);
    padding: 30px;
    text-align: center;
    width: 85%; max-width: 350px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    animation: crisis-shake 0.5s ease;
}
@keyframes crisis-shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-5px); }
    40%, 80% { transform: translateX(5px); }
}

.crisis-alert-icon {
    font-size: 48px; color: var(--danger);
    margin-bottom: 16px;
    animation: crisis-flash 1s ease-in-out infinite;
}
@keyframes crisis-flash {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.crisis-alert-title {
    font-size: 22px; font-weight: 800;
    color: var(--danger); margin-bottom: 12px;
}

.crisis-alert-message {
    font-size: 15px; color: var(--text);
    line-height: 1.6; margin-bottom: 20px;
}

.crisis-alert-btn {
    background: var(--fire-gradient); color: #FFF;
    border: none; padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-size: 15px; font-weight: 700;
    cursor: pointer;
    transition: filter 0.2s;
}
.crisis-alert-btn:hover { filter: brightness(1.1); }

/* ===== Toast ===== */
.toast {
    position: fixed; bottom: 80px; left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--bg-dark); color: #FFF;
    padding: 12px 24px; border-radius: var(--radius-sm);
    font-size: 14px; z-index: 300;
    opacity: 0; visibility: hidden;
    transition: all 0.3s ease;
    white-space: nowrap;
}

/* ===== PWA 安装横幅 ===== */
.pwa-install-banner {
    position: fixed; bottom: 0; left: 0; right: 0;
    background: var(--bg-card);
    padding: 14px 16px;
    display: flex; align-items: center; gap: 12px;
    z-index: 250;
    box-shadow: 0 -2px 12px var(--shadow-lg);
    border-top: 2px solid var(--primary);
    transform: translateY(100%);
    transition: transform 0.4s ease;
}
.pwa-install-banner.show { transform: translateY(0); }
.pwa-install-banner.hidden { transform: translateY(100%); }

.pwa-banner-icon {
    width: 40px; height: 40px;
    background: var(--primary);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    color: #FFF; font-size: 18px;
}

.pwa-banner-text {
    flex: 1;
    display: flex; flex-direction: column;
}
.pwa-banner-text strong { font-size: 15px; color: var(--text); }
.pwa-banner-text span { font-size: 12px; color: var(--text-light); }

.pwa-banner-btn {
    background: var(--primary);
    color: #FFF; border: none;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-size: 14px; font-weight: 600;
    cursor: pointer;
}
.pwa-banner-btn:hover { background: var(--primary-dark); }

.pwa-banner-close {
    background: none; border: none;
    color: var(--text-light); font-size: 18px;
    cursor: pointer; padding: 5px;
}
.toast.active { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.toast.success { background: var(--success-dark); }
.toast.error { background: var(--danger); }
.toast.warning { background: var(--accent-dark); }

/* ===== 响应式适配 ===== */
@media (min-width: 768px) {
    .main-content { max-width: 600px; margin: 0 auto; }
    .task-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    .rp-stats { gap: 16px; }
    .chart-container { height: 250px; }
    .chart-container-wide { height: 200px; }
}

/* ===== 滚动条美化 ===== */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #DDD; border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: #BBB; }

/* ===== 动画 ===== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.task-card, .review-card, .chart-card, .level-subject-card {
    animation: fadeIn 0.3s ease forwards;
}

/* 预设任务颜色 */
.task-card[data-task-id="preset-math396"]::before { background: #4A90D9; }
.task-card[data-task-id="preset-english-word"]::before { background: #2ECC71; }
.task-card[data-task-id="preset-english-exam"]::before { background: #27AE60; }
.task-card[data-task-id="preset-logic396"]::before { background: #9B59B6; }
.task-card[data-task-id="preset-politics"]::before { background: #E67E22; }
.task-card[data-task-id="preset-major"]::before { background: #E74C3C; }

/* ===== 情绪树洞 ===== */
.treehole-intro {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 12px;
    box-shadow: 0 2px 8px var(--shadow);
    display: flex;
    align-items: center;
    gap: 14px;
}
.treehole-fox-avatar {
    width: 70px; height: 70px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    border: 3px solid var(--primary);
    box-shadow: 0 0 12px rgba(0,0,0,0.1);
}
.treehole-fox-avatar img {
    width: 100%; height: 100%;
    object-fit: cover;
}
.treehole-intro-text { flex: 1; }
.treehole-fox-name {
    font-size: 16px; font-weight: 800;
    color: var(--primary);
    margin-bottom: 4px;
}
.treehole-fox-desc {
    font-size: 13px; color: var(--text-light);
    line-height: 1.5;
}

.treehole-chat {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 16px;
    min-height: 260px;
    max-height: 420px;
    overflow-y: auto;
    box-shadow: 0 2px 8px var(--shadow);
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 12px;
}
.chat-message {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    animation: fadeIn 0.3s ease;
}
.chat-message.user {
    flex-direction: row-reverse;
}
.chat-avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    border: 2px solid var(--primary);
}
.chat-avatar img {
    width: 100%; height: 100%;
    object-fit: cover;
}
.chat-message.user .chat-avatar {
    background: var(--primary);
    color: #FFF;
    display: flex; align-items: center; justify-content: center;
    border-color: var(--primary);
}
.chat-message.user .chat-avatar i { font-size: 16px; }
.chat-bubble {
    max-width: 75%;
    padding: 10px 14px;
    border-radius: 16px;
    font-size: 14px;
    line-height: 1.5;
    background: var(--bg-section);
    color: var(--text);
    position: relative;
}
.chat-message.user .chat-bubble {
    background: var(--primary);
    color: #FFF;
    border-bottom-right-radius: 4px;
}
.chat-message.system .chat-bubble {
    background: #FFF3E0;
    color: var(--text);
    border-bottom-left-radius: 4px;
}

.treehole-input-area {
    display: flex;
    gap: 8px;
    margin-bottom: 10px;
}
.treehole-input {
    flex: 1;
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 10px 16px;
    font-size: 14px;
    outline: none;
}
.treehole-input:focus { border-color: var(--primary); }
.treehole-send-btn {
    width: 42px; height: 42px;
    border-radius: 50%;
    background: var(--fire-gradient);
    border: none; color: #FFF;
    font-size: 16px;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: transform 0.2s;
}
.treehole-send-btn:hover { transform: scale(1.05); }

.treehole-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.treehole-quick-btn {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 12px;
    padding: 8px 12px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s;
}
.treehole-quick-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(0,0,0,0.02);
}

/* ===== 狐狸图片展示 ===== */
.fox-image-widget {
    width: 100%;
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 16px;
    box-shadow: 0 4px 12px var(--shadow);
    position: relative;
}
.fox-image-widget img {
    width: 100%;
    display: block;
    object-fit: cover;
    max-height: 220px;
}
.fox-image-caption {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.5));
    color: #FFF;
    padding: 20px 12px 10px;
    font-size: 13px;
    font-weight: 600;
}

/* ===== 设置面板增强 ===== */
.settings-group {
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}
.settings-group-title {
    font-size: 13px; color: var(--text-light);
    font-weight: 700;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.theme-picker {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
.theme-option {
    width: 36px; height: 36px;
    border-radius: 50%;
    cursor: pointer;
    border: 3px solid transparent;
    transition: all 0.2s;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}
.theme-option.selected {
    border-color: var(--text);
    transform: scale(1.15);
    box-shadow: 0 0 0 3px rgba(255,255,255,0.8), 0 0 0 5px var(--primary);
}

/* ===== 彩色图标模块标题 ===== */
.section-header h2 i { color: var(--primary); }
#module-level .section-header h2 i { color: var(--icon-color-level); }
#module-review .section-header h2 i { color: var(--icon-color-review); }
#module-memo .section-header h2 i { color: var(--icon-color-memo); }
#module-knowledge .section-header h2 i { color: var(--icon-color-knowledge); }
#module-treehole .section-header h2 i { color: #E91E63; }

/* ===== 小精灵图片 ===== */
.spirit-fox-image {
    width: 90px; height: 90px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary);
    box-shadow: 0 0 15px rgba(0,0,0,0.1);
    animation: spirit-glow 2s ease-in-out infinite;
}

/* ===== 响应式增强 ===== */
@media (max-width: 360px) {
    .countdown-top-row { grid-template-columns: 1fr; }
    .top-motto-text { font-size: 12px; }
}
@media (min-width: 768px) {
    .treehole-chat { max-height: 520px; }
    .fox-image-widget img { max-height: 280px; }
}