:root {
  --bg: #FEFCF8; --bg2: #F5F0E8; --card: #FFFFFF;
  --ink: #2C2418; --ink2: #8A7E6E; --muted: #A89F91; --rule: #E2D9CC;
  --accent: #C8553D; --accent2: #3D7C6B; --accent3: #7C5CBF; --accent4: #B8860B;
  --safe-bottom: env(safe-area-inset-bottom,0px); --safe-top: env(safe-area-inset-top,0px);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;-webkit-tap-highlight-color:transparent}
body{font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Helvetica Neue",sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;overscroll-behavior-y:none;-webkit-font-smoothing:antialiased}
#app{max-width:480px;margin:0 auto;min-height:100vh;position:relative;padding-bottom:calc(64px + var(--safe-bottom))}
.scroll-content{padding:16px;padding-top:calc(8px + var(--safe-top));padding-bottom:32px}
#tab-bar{position:fixed;bottom:0;left:0;right:0;max-width:480px;margin:0 auto;display:flex;background:rgba(255,255,255,0.92);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-top:1px solid var(--rule);padding-bottom:var(--safe-bottom);z-index:100}
.tab-btn{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;padding:8px 0 6px;background:none;border:none;color:var(--muted);font-size:11px;cursor:pointer;transition:color .2s}
.tab-btn.active{color:var(--accent)}
.tab-btn svg{stroke-width:2}
.card{background:var(--card);border-radius:14px;padding:16px;box-shadow:0 4px 16px rgba(0,0,0,0.04);margin-bottom:12px}
.card-clickable{cursor:pointer}
.card-clickable:active{opacity:0.85}
.header-bar{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.header-bar h1{font-size:28px;font-weight:700;letter-spacing:-0.5px}
.header-bar .tagline{font-size:14px;color:var(--ink2);margin-top:2px}
.btn-guide{display:flex;align-items:center;gap:4px;font-size:12px;font-weight:500;color:var(--accent2);padding:6px 10px;border-radius:10px;background:rgba(61,124,107,0.08);border:none;cursor:pointer}
.stats-row{display:flex;gap:10px;margin-bottom:20px}
.stat-card{flex:1;text-align:center;padding:14px 8px}
.stat-card .stat-icon{font-size:20px;margin-bottom:4px}
.stat-card .stat-value{font-size:22px;font-weight:700}
.stat-card .stat-label{font-size:11px;color:var(--ink2)}
.section-title{font-size:18px;font-weight:700;margin-bottom:12px;display:flex;align-items:center;justify-content:space-between}
.section-title .right{display:flex;gap:8px;align-items:center}
.rec-card{padding:14px;margin-bottom:10px}
.rec-card .rec-meta{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.rec-card .rec-difficulty{font-size:11px;font-weight:600;padding:3px 8px;border-radius:6px}
.rec-card .rec-duration{font-size:12px;color:var(--ink2)}
.rec-card .rec-chevron{margin-left:auto;color:var(--muted)}
.rec-card .rec-name{font-size:15px;font-weight:700;margin-bottom:4px}
.rec-card .rec-goal{font-size:13px;color:var(--ink2);line-height:1.5}
.active-card{display:flex;align-items:center;gap:12px;padding:14px}
.active-card .progress-ring{width:44px;height:44px;border-radius:50%;border:3px solid var(--rule);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.active-card .progress-ring .count{font-size:13px;font-weight:700;color:var(--accent)}
.active-card .task-name{font-size:14px;font-weight:600}
.active-card .task-meta{font-size:12px;color:var(--ink2);margin-top:2px}
.active-card .badge{margin-left:auto;font-size:11px;font-weight:500;color:var(--accent);padding:3px 8px;border-radius:6px;background:rgba(200,85,61,0.1)}
.progress-row{display:flex;align-items:center;gap:12px;padding:14px}
.progress-row .dim-icon{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.progress-row .dim-info{flex:1}
.progress-row .dim-name{font-size:14px;font-weight:600}
.progress-row .progress-track{height:6px;background:var(--rule);border-radius:3px;margin-top:6px;overflow:hidden}
.progress-row .progress-fill{height:100%;border-radius:3px;transition:width .5s ease}
.progress-row .progress-count{font-size:12px;color:var(--ink2);width:50px;text-align:right;flex-shrink:0}
.mode-toggle{display:flex;gap:0;padding:4px;background:rgba(0,0,0,0.03);border-radius:12px;margin-bottom:16px}
.mode-toggle button{flex:1;padding:10px 0;border:none;border-radius:10px;font-size:15px;font-weight:600;cursor:pointer;background:transparent;color:var(--ink2);display:flex;align-items:center;justify-content:center;gap:6px;transition:all .2s}
.mode-toggle button.active{background:var(--accent);color:#fff}
.dim-card{display:flex;align-items:center;gap:14px;padding:16px}
.dim-card .dim-icon-wrap{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.dim-card .dim-name{font-size:17px;font-weight:700;flex:1}
.dim-card .dim-count{font-size:13px;color:var(--ink2)}
.dim-card .chevron{color:var(--muted);margin-left:4px}
.phase-card{display:flex;align-items:center;gap:12px;padding:14px 16px}
.phase-card .phase-num{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:#fff;flex-shrink:0}
.phase-card .phase-name{font-size:15px;font-weight:600;flex:1}
.phase-card .phase-count{font-size:12px;color:var(--ink2)}
.task-row{display:flex;align-items:center;gap:12px;padding:14px 16px}
.task-row .status-dot{width:10px;height:10px;border-radius:50%;border:2px solid var(--rule);flex-shrink:0;display:flex;align-items:center;justify-content:center}
.task-row .status-dot.done{background:var(--accent2);border-color:var(--accent2)}
.task-row .status-dot.done::after{content:"\2713";color:#fff;font-size:8px;font-weight:700}
.task-row .status-dot.active{background:var(--accent);border-color:var(--accent)}
.task-row .task-info{flex:1;min-width:0}
.task-row .task-name{font-size:14px;font-weight:500}
.task-row .task-name.unlocked{font-weight:600}
.task-row .task-name.locked{color:var(--muted)}
.task-row .task-meta{font-size:12px;color:var(--ink2);margin-top:2px}
.task-row .task-meta .difficulty{margin-right:8px}
.task-row .lock-icon{font-size:12px;color:var(--muted)}
.back-btn{display:inline-flex;align-items:center;gap:4px;font-size:15px;color:var(--accent);background:none;border:none;cursor:pointer;margin-bottom:12px;padding:4px 0}
.modal{position:fixed;inset:0;z-index:200;background:var(--bg);overflow-y:auto}
.modal.hidden{display:none}
.modal-header{position:sticky;top:0;background:var(--bg);padding:12px 16px;display:flex;justify-content:flex-end;z-index:10}
.modal-close-btn{font-size:28px;color:var(--muted);background:none;border:none;cursor:pointer;width:40px;height:40px;display:flex;align-items:center;justify-content:center}
.modal-body{padding:0 16px 40px}
.detail-header{padding:16px;border-radius:14px;margin-bottom:16px;display:flex;align-items:center;gap:12px}
.detail-header .detail-phase-icon{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;color:#fff;font-weight:700;flex-shrink:0}
.detail-header .detail-name{font-size:20px;font-weight:700}
.detail-section{margin-bottom:20px}
.detail-section h3{font-size:14px;font-weight:600;color:var(--ink2);margin-bottom:6px;text-transform:uppercase;letter-spacing:0.5px}
.detail-section p{font-size:15px;line-height:1.75}
.locked-view{text-align:center;padding:60px 20px}
.locked-view .lock-big{font-size:48px;margin-bottom:16px}
.locked-view h3{font-size:18px;font-weight:700;margin-bottom:8px}
.locked-view p{font-size:14px;color:var(--ink2)}
.btn-primary{display:block;width:100%;padding:14px;border:none;border-radius:14px;background:var(--accent);color:#fff;font-size:16px;font-weight:700;cursor:pointer;margin-top:16px}
.btn-secondary{display:block;width:100%;padding:14px;border:none;border-radius:14px;background:var(--bg2);color:var(--ink);font-size:16px;font-weight:600;cursor:pointer;margin-top:8px}
.reflection-area{width:100%;min-height:100px;padding:12px;border:1px solid var(--rule);border-radius:10px;font-size:15px;font-family:inherit;resize:vertical;background:var(--card)}
.history-item{padding:12px;border-radius:10px;background:var(--bg2);margin-bottom:8px}
.history-item .history-date{font-size:12px;color:var(--ink2);margin-bottom:4px}
.history-item .history-reflection{font-size:14px}
.ach-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.ach-card{text-align:center;padding:16px 10px}
.ach-card .ach-icon{font-size:28px;margin-bottom:8px}
.ach-card .ach-title{font-size:13px;font-weight:700;margin-bottom:4px}
.ach-card .ach-desc{font-size:11px;color:var(--ink2);line-height:1.4}
.ach-card.locked{opacity:0.6}
.ach-card .ach-date{font-size:10px;margin-top:4px}
.popup-overlay{position:fixed;inset:0;z-index:300;background:rgba(0,0,0,0.5);display:flex;align-items:center;justify-content:center;padding:40px}
.popup-overlay.hidden{display:none}
.popup-content{background:var(--bg);border-radius:20px;padding:24px;text-align:center;max-width:320px;width:100%}
.popup-title{font-size:20px;font-weight:700;margin-bottom:16px}
.popup-ach{margin-bottom:12px}
.popup-ach .icon{font-size:40px;margin-bottom:8px}
.popup-ach .title{font-size:16px;font-weight:700}
.popup-ach .desc{font-size:13px;color:var(--ink2);margin-top:4px}
.empty-card{text-align:center;padding:32px 20px}
.empty-card .empty-icon{font-size:32px;margin-bottom:10px}
.empty-card h3{font-size:16px;font-weight:700;margin-bottom:6px}
.empty-card p{font-size:13px;color:var(--ink2)}
.hidden{display:none!important}
@media(min-width:768px){#app{max-width:480px}}