/* R245 style.css */
:root {
  --primary:#2563EB;--secondary:#60A5FA;--success:#10B981;--warning:#F59E0B;--bg:#EFF6FF;--card:#FFF;--text:#1E3A8A;--text-secondary:#3B82F6;--border:#BFDBFE;--accent:#1D4ED8;
  --contact-footer-h:92px;--bottom-nav-h:52px;--safe-area-bottom:env(safe-area-inset-bottom,0px);
  --bottom-chrome-h:calc(var(--contact-footer-h) + var(--bottom-nav-h));--float-gap:12px;--zw-fab-size:56px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;background:var(--bg);color:var(--text);line-height:1.5;max-width:480px;margin:0 auto}
body.has-contact-footer.has-bottom-nav{padding-bottom:calc(var(--bottom-chrome-h) + 8px + var(--safe-area-bottom))}
body.share-page{padding-bottom:calc(var(--contact-footer-h) + 16px + var(--safe-area-bottom))}
button,input,select,textarea{font:inherit}a{color:inherit;text-decoration:none}
.app-header{padding:12px 16px 8px;text-align:center;background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:60}
.app-header h1{font-size:18px}
.app-sub{font-size:12px;color:var(--text-secondary);margin-top:4px}
.header-share{position:absolute;right:12px;top:14px;font-size:13px;color:var(--primary)}
.view-inner{padding:12px 16px}
.page-title{font-size:17px;margin-bottom:8px}
.step-hint{font-size:12px;color:var(--text-secondary);margin-bottom:12px}
.child-bar{display:flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:12px;margin-bottom:12px}
.child-bar strong{display:block;font-size:15px}
.child-bar small{font-size:11px;color:var(--text-secondary)}
.kpi-row{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-bottom:12px}
.kpi-card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:8px 4px;text-align:center}
.kpi-val{display:block;font-size:18px;font-weight:700;color:var(--primary)}
.kpi-val.warn{color:var(--warning)}
.kpi-val.ok{color:var(--success)}
.kpi-label{font-size:10px;color:var(--text-secondary)}
.search-input{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:10px;margin-bottom:12px;background:#fff}
.homework-card{background:var(--card);border-radius:12px;padding:14px;margin-bottom:10px;border-left:4px solid var(--primary);border:1px solid var(--border);border-left-width:4px}
.homework-card h3{font-size:15px;margin-bottom:6px}
.homework-meta,.hw-meta{display:flex;gap:8px;font-size:11px;color:var(--text-secondary);margin-bottom:6px}
.hw-content{font-size:12px;color:var(--text-secondary);margin-bottom:8px}
.status-chip{display:inline-block;padding:2px 8px;border-radius:10px;font-size:11px}
.chip-pending{background:#FEF3C7;color:#92400E}
.chip-done{background:#D1FAE5;color:#065F46}
.chip-checked{background:#DBEAFE;color:#1E40AF}
.empty-hint{text-align:center;padding:24px;color:var(--text-secondary);font-size:13px}
.fab-add{position:fixed;right:16px;bottom:calc(var(--bottom-chrome-h) + var(--float-gap) + var(--safe-area-bottom));background:var(--primary);color:#fff;border:none;border-radius:28px;padding:12px 18px;font-size:14px;font-weight:600;box-shadow:0 4px 16px rgba(37,99,235,.35);z-index:780}
.btn{border:none;border-radius:10px;padding:12px;font-size:14px;font-weight:600;min-height:44px;cursor:pointer}
.btn-primary{background:var(--primary);color:#fff}
.btn-outline{background:var(--card);border:2px solid var(--border);color:var(--text)}
.btn-block{width:100%;margin-top:8px;display:block;text-align:center}
.form-group{display:block;margin-bottom:10px;font-size:12px;font-weight:600}
.form-input,.form-textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:10px;margin-top:4px;font-weight:400;background:#fff}
.form-textarea{min-height:80px;resize:vertical}
.ring-card,.card-block{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:16px;margin-bottom:12px;text-align:center}
.card-block{text-align:left}
.card-block h3{font-size:14px;margin-bottom:12px}
.ring-val{font-size:24px;font-weight:700;fill:var(--primary)}
.ring-sub{font-size:11px;fill:var(--text-secondary)}
.bar-row{margin-bottom:12px}
.bar-head{display:flex;justify-content:space-between;font-size:13px;margin-bottom:4px}
.bar-track{height:6px;background:var(--border);border-radius:3px;overflow:hidden}
.bar-fill{height:100%;border-radius:3px;transition:width .4s}
.section-title{font-size:15px;font-weight:700;margin:14px 0 8px}
.theme-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin-bottom:12px}
.theme-btn{height:36px;border-radius:10px;border:2px solid transparent}
.theme-btn.active{border-color:var(--text)}
.link-card{display:block;padding:14px;background:var(--card);border:1px solid var(--border);border-radius:12px;margin-bottom:12px;font-weight:600}
.bottom-nav{position:fixed;left:0;right:0;bottom:calc(var(--contact-footer-h) + var(--safe-area-bottom));height:var(--bottom-nav-h);display:grid;grid-template-columns:repeat(4,1fr);background:var(--card);border-top:1px solid var(--border);z-index:800;max-width:480px;margin:0 auto}
.bottom-nav button{display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:10px;color:var(--text-secondary);gap:2px;padding:6px 0;background:none;border:none}
.bottom-nav button.active{color:var(--primary);font-weight:700}
.modal-container.hidden{display:none}
.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:center;justify-content:center;z-index:900;padding:20px}
.modal-box{background:var(--card);border-radius:14px;padding:20px;max-width:320px;width:100%}
.modal-sub{font-size:12px;color:var(--text-secondary);margin-bottom:8px}
.modal-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:12px}
.done-tip{text-align:center;color:var(--success);margin-top:8px}
.share-main{padding:24px 16px}
.share-card{background:var(--card);border-radius:20px;padding:28px 20px;text-align:center;box-shadow:0 4px 16px rgba(0,0,0,.08)}
.share-icon{font-size:56px;margin-bottom:8px}
.share-slogan{color:var(--primary);font-weight:600;margin:8px 0}
.share-list{text-align:left;padding-left:20px;margin:12px 0;font-size:13px}
#share-qr{margin:16px 0}
.action-row{display:grid;grid-template-columns:1fr;gap:10px}
.toast-container{position:fixed;left:50%;transform:translateX(-50%);z-index:99999;pointer-events:none}
.toast-item{background:rgba(30,58,138,.92);color:#fff;padding:10px 18px;border-radius:20px;margin-top:6px;opacity:0;transition:opacity .3s;font-size:13px}
.toast-item.show{opacity:1}
.contact-footer{position:fixed;left:0;right:0;bottom:0;background:#1a1a1a;z-index:850;padding:.55rem .75rem calc(.55rem + var(--safe-area-bottom));min-height:var(--contact-footer-h)}
.contact-footer__btns{display:grid;grid-template-columns:repeat(3,minmax(0,88px));justify-content:center;gap:.4rem;max-width:320px;margin:0 auto}
.contact-footer__cta,.contact-footer__btn{display:flex;align-items:center;justify-content:center;padding:.48rem .2rem;border-radius:6px;font-size:.72rem;min-height:32px;text-align:center}
.contact-footer__cta{background:#c41e1e!important;color:#fff!important;font-weight:700}
.contact-footer__btn{border:1px solid rgba(255,255,255,.35);color:#fff;background:transparent;font-family:inherit}
.contact-footer__brand{text-align:center;font-size:.62rem;color:rgba(255,255,255,.5);margin:.4rem 0 0}
body[data-brand="homework-tracker"] .zw-root .zw-fab,body[data-brand="homework-tracker"] .em-entry-btn{bottom:calc(var(--bottom-chrome-h) + var(--float-gap) + var(--safe-area-bottom))!important}
body.has-contact-footer.has-bottom-nav .toast-container{bottom:calc(var(--bottom-chrome-h) + var(--zw-fab-size) + var(--float-gap) + var(--safe-area-bottom));top:auto}
.hidden{display:none!important}