/* ══════════════════════════════════
   DESIGN TOKENS
══════════════════════════════════ */
:root {
  --bg-deep:   #ede3c8;
  --bg-panel:  #f5ecda;
  --bg-card:   #faf4e8;
  --bg-card2:  #ede3c8;
  --bg-inset:  #fff8ed;
  --border:       #b8a882;
  --border-light: #cdb99a;
  --border-dark:  #9a8b6a;
  --accent-blue:   #3f62a0;
  --accent-teal:   #3d8077;
  --accent-gold:   #b8832e;
  --accent-green:  #507f46;
  --accent-rose:   #a85858;
  --accent-purple: #6a5a98;
  --text-main: #26201a;
  --text-sub:  #5a4e3a;
  --text-dim:  #8a7a60;
  --px-shadow:      3px 3px 0 #9a8b6a;
  --px-shadow-blue: 3px 3px 0 #2a4070;
  --px-shadow-teal: 3px 3px 0 #256058;
  --gap: 14px;
  --card-r: 3px;
  --transition: 0.1s ease;
  --scanline: repeating-linear-gradient(0deg,rgba(255,255,255,0.07) 0px,rgba(255,255,255,0.07) 2px,rgba(0,0,0,0.015) 2px,rgba(0,0,0,0.015) 4px);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;min-height:100vh;font-family:"Noto Sans SC",sans-serif;font-size:14px;line-height:1.65;color:var(--text-main);background-color:var(--bg-deep);background-image:var(--scanline),linear-gradient(160deg,#f5edda 0%,var(--bg-deep) 100%)}
button{font:inherit;cursor:pointer}
input,textarea,select{font:inherit}
h1,h2,h3,h4,h5,h6{margin:0;line-height:1.2}
p{margin:0}
ul,ol{margin:0;padding-left:18px}

/* VT323 contexts */
.vt,.topbar-logo,.countdown-chip,.profile-name,.profile-stat-val,
.feature-nav-icon,.feature-nav-label,.section-kicker,.task-tag,
.metric-val,.card-title,.cd-num,.cd-label,.prog-pct,.streak-badge,
.aitip-label,.inner-page-title,.phase-span,.lec-section-label,
.lec-tcf-badge,.lec-vocab-theme,.ex-type,.difficulty-badge,.status-pill,
.weak-level,.heatmap-legend,.mistake-cat-tag,.unit-code,.dash-metric-val{
  font-family:"VT323",monospace;letter-spacing:0.04em
}

/* ── CARD BASE ── */
.card{background:var(--bg-card);border:2px solid var(--border);border-radius:var(--card-r);box-shadow:var(--px-shadow)}

/* ── TOPBAR ── */
.topbar{position:sticky;top:0;z-index:200;height:52px;display:flex;align-items:center;gap:18px;padding:0 18px;background:rgba(245,236,218,0.97);border-bottom:2px solid var(--border);box-shadow:0 2px 0 var(--border-dark);backdrop-filter:blur(6px)}
.topbar-logo{font-size:21px;color:var(--accent-blue);white-space:nowrap;text-shadow:1px 1px 0 var(--border-light)}
.topbar-divider{color:var(--border);font-size:16px}
.topbar-sub{font-size:12px;color:var(--text-dim);letter-spacing:0.03em;white-space:nowrap}
.topbar-nav{display:flex;gap:2px;flex:1;overflow-x:auto;scrollbar-width:none}
.topbar-nav::-webkit-scrollbar{display:none}
.topbar-right{margin-left:auto;flex-shrink:0}
.tnav-home{font-family:"VT323",monospace;font-size:15px;padding:4px 12px;background:var(--bg-card2);border:2px solid var(--border);border-radius:var(--card-r);color:var(--accent-gold);box-shadow:2px 2px 0 var(--border-dark);white-space:nowrap}
.tnav-home:hover{transform:translate(-1px,-1px);box-shadow:3px 3px 0 var(--border-dark)}
.tnav-btn{display:flex;align-items:center;gap:5px;padding:5px 10px;background:transparent;border:1px solid transparent;border-radius:var(--card-r);color:var(--text-sub);font-size:13px;white-space:nowrap;transition:all var(--transition)}
.tnav-btn .tnav-icon{font-family:"VT323",monospace;font-size:15px;color:var(--text-dim)}
.tnav-btn:hover{background:var(--bg-card2);border-color:var(--border);color:var(--text-main)}
.tnav-btn.active{background:var(--accent-blue);border-color:#2a4070;color:#fffdf7;box-shadow:2px 2px 0 #2a4070}
.tnav-btn.active .tnav-icon{color:rgba(255,255,255,0.7)}
.tnav-wip{opacity:0.5;cursor:default}
.tnav-wip:hover{background:transparent;border-color:transparent;color:var(--text-sub);transform:none}
.tnav-wip-badge{font-size:9px;padding:1px 4px;background:var(--bg-card2);border:1px solid var(--border);border-radius:2px;color:var(--text-dim);vertical-align:middle;margin-left:2px}
.countdown-chip{display:flex;align-items:baseline;gap:3px;padding:3px 9px;background:var(--bg-inset);border:2px solid var(--accent-rose);border-radius:var(--card-r);box-shadow:2px 2px 0 #7a3030}
.countdown-chip-num{font-size:21px;color:var(--accent-rose);line-height:1}
.countdown-chip-label{font-size:11px;color:var(--text-dim)}

/* ── PAGE SYSTEM ── */
.page{display:none}
.page.active{display:block}

/* ── HOME GRID ── */
.home-grid{display:grid;grid-template-columns:272px 1fr 280px;gap:var(--gap);padding:var(--gap) 18px;max-width:1460px;margin:0 auto;align-items:start}
.home-left,.home-center,.home-right{display:flex;flex-direction:column;gap:var(--gap)}

/* Profile Card */
.profile-card{padding:16px 16px 14px;min-height:212px;display:flex;flex-direction:column;gap:11px}
.profile-head{display:flex;align-items:flex-start;gap:10px;min-width:0}
.profile-avatar{width:60px;height:60px;display:grid;place-items:center;border:2px solid var(--accent-blue);background:var(--bg-inset);border-radius:var(--card-r);font-size:12px;color:var(--text-sub);text-align:center;line-height:1.2;flex-shrink:0}
.profile-identity{min-width:0;flex:1}
.profile-name{font-size:22px;color:var(--text-main);display:block;margin-bottom:2px;line-height:1;max-width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.profile-meta{font-size:12px;color:var(--text-sub);margin-bottom:2px;line-height:1.35}
.profile-email{font-size:11px;color:var(--text-dim);line-height:1.35;overflow-wrap:anywhere;word-break:break-word}
.profile-actions{display:flex;flex-direction:column;gap:6px;align-items:flex-end;flex-shrink:0}
.profile-settings-btn{padding:5px 11px;border:2px solid var(--accent-purple);border-radius:var(--card-r);background:var(--bg-card);color:var(--accent-purple);font-size:12px;line-height:1;box-shadow:2px 2px 0 #4a3c78;min-width:64px;transition:all var(--transition)}
.profile-settings-btn:hover{transform:translate(-1px,-1px)}
.profile-auth-btn{padding:5px 11px;border:2px solid;border-radius:var(--card-r);background:var(--bg-card);font-size:12px;line-height:1;box-shadow:2px 2px 0;flex-shrink:0;min-width:64px;transition:all var(--transition)}
.profile-auth-btn.login{color:var(--accent-blue);border-color:var(--accent-blue);box-shadow:2px 2px 0 #2a4070}
.profile-auth-btn.logout{color:var(--accent-rose);border-color:var(--accent-rose);box-shadow:2px 2px 0 #7a3030}
.profile-auth-btn:hover{transform:translate(-1px,-1px)}
.profile-auth-btn:disabled{opacity:.7;cursor:default;transform:none}
.profile-stats{display:grid;grid-template-columns:1fr 1fr;gap:7px}
.profile-stat{padding:7px 9px;background:var(--bg-inset);border:1px solid var(--border-light);border-radius:var(--card-r)}
.profile-stat-val{display:block;font-size:21px;color:var(--accent-blue);line-height:1;margin-bottom:1px}
.profile-stat-key{font-size:11px;color:var(--text-dim)}

/* Feature Nav */
.nav-section{display:flex;flex-direction:column;gap:7px}
.nav-section-title{font-size:11px;color:var(--text-dim);letter-spacing:0.1em;text-transform:uppercase}
.feature-nav-grid{display:grid;grid-template-columns:1fr 1fr;gap:7px}
.feature-nav-btn{display:flex;flex-direction:column;align-items:center;gap:4px;padding:11px 7px;background:var(--bg-card);border:2px solid var(--border);border-radius:var(--card-r);box-shadow:var(--px-shadow);color:var(--text-sub);text-align:center;transition:all var(--transition);min-height:70px}
.feature-nav-btn:hover{background:var(--bg-inset);border-color:var(--accent-blue);color:var(--accent-blue);transform:translate(-1px,-1px);box-shadow:4px 4px 0 var(--accent-blue)}
.feature-nav-icon{font-size:21px;line-height:1}
.feature-nav-label{font-size:14px;line-height:1.1}
.feature-nav-desc{font-size:10px;color:var(--text-dim);line-height:1.3}
.feature-nav-wip{opacity:0.5;position:relative}
.feature-nav-wip:hover{background:var(--bg-card);border-color:var(--border);color:var(--text-sub);transform:none;box-shadow:var(--px-shadow);cursor:default}
.feature-nav-wip-badge{position:absolute;top:4px;right:4px;font-size:9px;padding:1px 4px;background:var(--bg-card2);border:1px solid var(--border);border-radius:2px;color:var(--text-dim)}
/* WIP 横幅 */
.wip-banner{display:flex;align-items:flex-start;gap:12px;padding:14px 16px;background:var(--bg-inset);border:2px solid var(--border);border-radius:var(--card-r);margin-bottom:14px}
.wip-banner-icon{font-size:24px;line-height:1;flex-shrink:0}
.wip-banner strong{display:block;font-size:14px;color:var(--text-main);margin-bottom:4px}
.wip-banner p{font-size:13px;color:var(--text-sub);margin:0;line-height:1.5}

/* 自动顺延通知 */
/* 练习答错后「已自动加入错题库」提示 */
.mistake-auto-added{display:inline-block;margin-left:8px;font-size:11px;padding:1px 6px;background:rgba(168,88,88,0.12);border:1px solid var(--accent-rose);border-radius:2px;color:var(--accent-rose);white-space:nowrap}
.ex-score-summary{margin-top:18px;padding:14px 16px;background:var(--bg-inset);border:2px solid var(--border);border-radius:var(--card-r);box-shadow:var(--px-shadow)}
.ex-score-title{font-family:"VT323",monospace;font-size:18px;color:var(--text-main);margin-bottom:8px}
.ex-score-stats{display:flex;gap:16px;font-size:13px;color:var(--text-sub);flex-wrap:wrap}
/* 自动顺延通知 */
.rollover-notice{display:flex;align-items:center;gap:8px;padding:7px 10px;background:rgba(184,131,46,0.12);border:1px solid var(--accent-gold);border-radius:var(--card-r);font-size:12px;color:var(--accent-gold);margin-bottom:8px}
/* 顺延信息行 */
.task-rollover-info{font-size:11px;color:var(--accent-gold);margin-top:2px}
/* 本周视图 */
.week-day-zone{transition:background 0.1s}
.week-drag-over{background:rgba(63,98,160,0.08)!important;border-color:var(--accent-blue)!important}
.week-task-row{cursor:default}
.week-task-row.week-dragging{opacity:0.4}
.week-drag-handle{font-size:14px;color:var(--text-dim);cursor:grab;flex-shrink:0;opacity:0;transition:opacity 0.1s;user-select:none}
.week-task-row:hover .week-drag-handle{opacity:1}
.week-task-cb{background:transparent;border:1px solid var(--border);border-radius:2px;width:18px;height:18px;font-size:11px;display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--text-dim);cursor:pointer;padding:0}
.week-task-cb:hover{border-color:var(--accent-teal);color:var(--accent-teal)}
.week-task-cb-done{background:var(--accent-teal);border-color:var(--accent-teal);color:white}
.week-rollover-badge{font-size:10px;padding:1px 4px;background:rgba(184,131,46,0.15);border:1px solid var(--accent-gold);border-radius:2px;color:var(--accent-gold);white-space:nowrap}
.week-drop-hint{font-size:11px;color:var(--text-dim);padding:6px 12px 8px;font-style:italic}
/* 本周视图幽灵条目 */
.week-ghost-section{border-top:1px dashed var(--border-light);margin-top:2px;padding-top:2px}
.week-ghost-row{display:flex;align-items:center;gap:7px;padding:4px 0;opacity:0.55}
.week-ghost-icon{font-size:13px;color:var(--accent-rose);flex-shrink:0}
.week-ghost-title{font-size:12px;color:var(--text-dim);flex:1;text-decoration:line-through}
.week-ghost-badge{font-size:10px;padding:1px 5px;background:rgba(168,88,88,0.1);border:1px solid var(--accent-rose);border-radius:2px;color:var(--accent-rose);white-space:nowrap;border-style:dashed}

/* Today Tasks Card */
.today-card{padding:15px}
.card-header-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;gap:8px}
.card-title{font-size:20px;color:var(--text-main)}
.streak-badge{font-size:14px;padding:2px 9px;background:var(--bg-inset);border:2px solid var(--accent-gold);border-radius:var(--card-r);color:var(--accent-gold);white-space:nowrap;box-shadow:2px 2px 0 #7a5010}
.task-list{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}
.task-item{display:flex;align-items:flex-start;gap:9px;padding:9px 11px;background:var(--bg-panel);border:2px solid var(--border);border-radius:var(--card-r);box-shadow:2px 2px 0 var(--border-dark);transition:all var(--transition)}
.task-item:hover{background:var(--bg-inset);border-color:var(--accent-teal);transform:translate(-1px,-1px);box-shadow:3px 3px 0 var(--accent-teal)}
.task-item.done{background:#eaf2e6;border-color:#a4c89a;box-shadow:2px 2px 0 #7aaa70}
.task-cb-btn{padding:0;border:0;background:transparent;cursor:pointer;display:inline-flex;align-items:flex-start}
.task-cb{flex-shrink:0;width:18px;height:18px;margin-top:2px;border:2px solid var(--border);border-radius:2px;background:var(--bg-inset);display:grid;place-items:center;font-size:11px;color:transparent;transition:all var(--transition)}
.task-item.done .task-cb{background:var(--accent-teal);border-color:var(--accent-teal);color:white}
.task-body{flex:1;min-width:0}
.task-title{font-size:13px;font-weight:500;color:var(--text-main);margin-bottom:2px}
.task-item.done .task-title{text-decoration:line-through;color:var(--text-dim)}
.task-detail{font-size:11px;color:var(--text-sub);line-height:1.5}
.task-actions{display:flex;align-items:flex-start;gap:4px;flex-shrink:0;margin-left:2px}
.task-tag{flex-shrink:0;font-family:"VT323",monospace;font-size:12px;padding:1px 7px;border:1px solid;border-radius:2px;margin-top:2px;white-space:nowrap}
.task-more-btn{min-width:28px;padding:4px 7px;line-height:1}
/* Floating popup menu */
.task-actions{position:relative}
.task-popup{position:absolute;top:calc(100% + 4px);right:0;z-index:200;background:var(--bg-card);border:2px solid var(--border);border-radius:var(--card-r);box-shadow:var(--px-shadow);padding:10px 12px;min-width:230px;display:flex;flex-direction:column;gap:8px}
.task-popup-row{display:flex;align-items:center;gap:8px}
.task-popup-sep{border-top:1px solid var(--border-light);padding-top:8px;margin-top:2px}
.task-popup-label{font-size:11px;color:var(--text-dim);white-space:nowrap;min-width:44px}
.task-popup-btns{display:flex;gap:5px;align-items:center;flex-wrap:wrap}
.task-popup-date-row{display:flex;gap:6px;align-items:center;padding-left:52px}
.task-popup-date-input{padding:3px 7px;font-size:12px;height:28px}
.task-tag[data-t="讲义"]{color:var(--accent-blue);border-color:var(--accent-blue);background:rgba(63,98,160,0.08)}
.task-tag[data-t="练习"]{color:var(--accent-teal);border-color:var(--accent-teal);background:rgba(61,128,119,0.08)}
.task-tag[data-t="复盘"]{color:var(--accent-rose);border-color:var(--accent-rose);background:rgba(168,88,88,0.08)}
.task-tag[data-t="真题"]{color:var(--accent-gold);border-color:var(--accent-gold);background:rgba(184,131,46,0.08)}
.task-tag[data-t="视频"]{color:var(--accent-purple);border-color:var(--accent-purple);background:rgba(106,90,152,0.08)}
.task-tag[data-t="复习"]{color:var(--accent-rose);border-color:var(--accent-rose);background:rgba(168,88,88,0.08)}

/* Add task */
.add-task-row{display:flex;gap:7px;margin-bottom:12px;align-items:center}
.add-task-input{flex:1;padding:7px 10px;background:var(--bg-inset);border:2px solid var(--border);border-radius:var(--card-r);color:var(--text-main);font-size:13px}
.add-task-input:focus{outline:none;border-color:var(--accent-teal)}
.add-task-select{padding:7px 8px;background:var(--bg-inset);border:2px solid var(--border);border-radius:var(--card-r);color:var(--text-sub);font-size:12px}
.add-task-btn{padding:7px 13px;background:var(--accent-teal);border:2px solid #256058;border-radius:var(--card-r);color:white;font-size:13px;box-shadow:var(--px-shadow-teal)}
.add-task-btn:hover{transform:translate(-1px,-1px);box-shadow:4px 4px 0 #256058}
.task-summary-row{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}
.task-summary-box{padding:8px 6px;background:var(--bg-inset);border:1px solid var(--border-light);border-radius:var(--card-r);text-align:center}
.task-summary-val{font-family:"VT323",monospace;font-size:22px;color:var(--accent-teal);display:block;line-height:1}
.task-summary-key{font-size:10px;color:var(--text-dim);margin-top:2px}
.task-empty{padding:10px 12px;background:var(--bg-inset);border:2px dashed var(--border-light);border-radius:var(--card-r);font-size:12px;color:var(--text-dim)}

/* Progress Card */
.progress-card{padding:15px}
.progress-unit-list{display:flex;flex-direction:column;gap:8px}
.progress-unit-row{display:flex;align-items:center;gap:9px}
.progress-unit-label{font-size:12px;color:var(--text-sub);min-width:108px;flex-shrink:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.progress-bar-wrap{flex:1;height:10px;background:var(--bg-card2);border:1px solid var(--border);border-radius:2px;overflow:hidden}
.progress-bar-fill{height:100%;background:repeating-linear-gradient(90deg,var(--accent-teal),var(--accent-teal) 10px,rgba(255,255,255,0.28) 10px,rgba(255,255,255,0.28) 14px);transition:width 0.5s ease}
.progress-bar-fill.done{background:var(--accent-teal)}
.prog-pct{font-size:13px;color:var(--text-dim);min-width:34px;text-align:right}

/* Countdown */
.countdown-card{padding:16px;text-align:center}
.cd-num{font-size:66px;color:var(--accent-rose);display:block;line-height:1;text-shadow:3px 3px 0 #7a3030}
.cd-label{font-size:14px;color:var(--text-dim);display:block;margin-top:2px}
.cd-target{font-size:11px;color:var(--text-dim);margin-top:6px}
.cd-goal{display:inline-block;margin-top:8px;padding:3px 10px;background:var(--bg-inset);border:1px solid var(--border-light);border-radius:var(--card-r);font-size:12px;color:var(--accent-blue)}

/* Heatmap */
.heatmap-card{padding:14px}
.heatmap-head{display:flex;flex-direction:column;align-items:flex-start;gap:3px;margin-bottom:6px}
.heatmap-head-title{line-height:1.05;white-space:nowrap}
.heatmap-head-time{font-size:11px;color:var(--text-dim);font-family:"VT323",monospace;line-height:1.2;white-space:nowrap;text-align:left}
.heatmap-week-labels{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;margin-bottom:4px}
.hm-wlabel{font-family:"VT323",monospace;font-size:11px;color:var(--text-dim);text-align:center}
.heatmap-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}
.hm-cell{aspect-ratio:1;border:1px solid var(--border);border-radius:2px;background:var(--bg-card2);cursor:pointer;transition:transform var(--transition)}
.hm-cell:hover{transform:scale(1.3);z-index:5}
.hm-cell.l1{background:#c9dbc5;border-color:#a4bfa0}
.hm-cell.l2{background:#8ab88a;border-color:#72a070}
.hm-cell.l3{background:var(--accent-teal);border-color:#256058}
.heatmap-legend{font-size:10px;color:var(--text-dim);margin-top:7px;display:flex;align-items:center;gap:5px}
.hm-swatch{width:10px;height:10px;border-radius:2px;border:1px solid var(--border);display:inline-block}

/* AI Tip */
.aitip-card{padding:14px}
.aitip-label{font-size:16px;color:var(--accent-purple);display:flex;align-items:center;gap:6px;margin-bottom:9px}
.aitip-item{display:flex;gap:7px;margin-bottom:7px;font-size:12px;color:var(--text-sub);line-height:1.6}
.aitip-item::before{content:'›';color:var(--accent-purple);flex-shrink:0;font-size:16px;line-height:1.3}

/* ── INNER PAGE ── */
.inner-page{max-width:1100px;margin:0 auto;padding:16px 18px 40px;flex-direction:column;gap:14px}
.inner-page.active{display:flex}
.inner-header{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.inner-back-btn{font-family:"VT323",monospace;font-size:15px;padding:4px 12px;background:var(--bg-card2);border:2px solid var(--border);border-radius:var(--card-r);color:var(--text-sub);box-shadow:2px 2px 0 var(--border-dark);transition:all var(--transition)}
.inner-back-btn:hover{border-color:var(--accent-blue);color:var(--accent-blue);transform:translate(-1px,-1px)}
.inner-page-title{font-size:26px;color:var(--text-main)}
.inner-page-sub{font-size:11px;color:var(--text-dim);margin-left:auto}

/* Shared */
.section-kicker{font-family:"VT323",monospace;font-size:12px;color:var(--text-dim);display:block;margin-bottom:2px;letter-spacing:0.1em}
.card-pad{padding:14px}
.card-hdr{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:12px;gap:8px}
.card-hdr h4{font-family:"VT323",monospace;font-size:19px;color:var(--text-main)}
.stack{display:flex;flex-direction:column;gap:8px}
.split-layout{display:grid;grid-template-columns:1.1fr 0.9fr;gap:14px}
.info-card{padding:11px 13px;background:var(--bg-card);border:2px solid var(--border);border-radius:var(--card-r);box-shadow:var(--px-shadow)}
.info-card h5{font-size:14px;font-weight:700;margin-bottom:4px;color:var(--text-main)}
.bullet-list,.number-list{font-size:13px;color:var(--text-sub);line-height:1.8}
.hidden{display:none !important}
.muted{opacity:0.5;cursor:default}
.resource-link{color:var(--accent-purple);font-weight:700;font-size:12px}

/* Buttons */
.btn-primary{padding:8px 15px;background:var(--accent-blue);border:2px solid #2a4070;border-radius:var(--card-r);color:#fffdf7;font-size:13px;box-shadow:var(--px-shadow-blue);transition:all var(--transition)}
.btn-primary:hover{transform:translate(-1px,-1px);box-shadow:4px 4px 0 #2a4070}
.btn-ghost{padding:6px 11px;background:var(--bg-card);border:2px solid var(--border);border-radius:var(--card-r);color:var(--text-sub);font-size:12px;box-shadow:2px 2px 0 var(--border-dark);transition:all var(--transition)}
.btn-ghost:hover{border-color:var(--accent-blue);color:var(--accent-blue);transform:translate(-1px,-1px)}
.btn-danger{padding:6px 11px;background:var(--bg-card);border:2px solid var(--accent-rose);border-radius:var(--card-r);color:var(--accent-rose);font-size:12px;box-shadow:2px 2px 0 #7a3030;transition:all var(--transition)}
.btn-danger:hover{background:var(--accent-rose);color:white;transform:translate(-1px,-1px)}
.btn-small{padding:4px 9px;font-size:11px}
.pbar-wrap{height:12px;background:var(--bg-card2);border:1px solid var(--border);border-radius:2px;overflow:hidden;margin:6px 0}
.pbar-fill{height:100%;background:repeating-linear-gradient(90deg,var(--accent-teal),var(--accent-teal) 10px,rgba(255,255,255,0.3) 10px,rgba(255,255,255,0.3) 14px)}
.pbar-meta{display:flex;justify-content:space-between;font-size:11px;color:var(--text-dim)}
.phase-card{padding:13px;background:var(--bg-card);border:2px solid var(--border);border-radius:var(--card-r);box-shadow:var(--px-shadow)}
.phase-name{font-family:"VT323",monospace;font-size:17px;color:var(--text-main);margin-bottom:4px}
.phase-span{font-family:"VT323",monospace;font-size:13px;color:var(--text-dim);letter-spacing:0.06em}

/* DASHBOARD */
.dash-metric-row{display:grid;grid-template-columns:repeat(4,1fr);gap:9px}
.dash-metric-box{padding:13px 10px;text-align:center;background:var(--bg-card);border:2px solid var(--border);border-radius:var(--card-r);box-shadow:var(--px-shadow)}
.dash-metric-val{font-size:22px;color:var(--accent-blue);display:block;margin-bottom:4px}
.dash-metric-key{font-size:12px;color:var(--text-dim)}

/* CURRICULUM */
.unit-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:9px}
.unit-card{padding:12px;background:var(--bg-card);border:2px solid var(--border);border-radius:var(--card-r);box-shadow:var(--px-shadow);cursor:pointer;text-align:left;transition:all var(--transition);position:relative;overflow:hidden}
.unit-card::before{content:"";position:absolute;inset:0 0 auto;height:4px;background:linear-gradient(90deg,var(--accent-blue),var(--accent-teal))}
.unit-card:hover{border-color:var(--accent-blue);transform:translate(-1px,-1px);box-shadow:4px 4px 0 var(--border-dark)}
.unit-card.active{border-color:var(--accent-blue);background:var(--bg-inset)}
.unit-code{font-size:12px;color:var(--text-dim);display:block;margin-bottom:3px}
.unit-card h5{font-family:"VT323",monospace;font-size:16px;font-weight:400;color:var(--text-main);margin-bottom:4px}
.unit-focus{font-size:11px;color:var(--text-sub);line-height:1.5}
.unit-pbar{height:5px;background:var(--bg-card2);border:1px solid var(--border);border-radius:1px;overflow:hidden;margin:8px 0 3px}
.unit-pbar-fill{height:100%;background:var(--accent-teal)}
.unit-pct{font-family:"VT323",monospace;font-size:11px;color:var(--accent-teal)}
.unit-card-start{border-color:var(--accent-blue);box-shadow:3px 3px 0 var(--accent-blue)}
.unit-card-start::before{background:var(--accent-blue)}
.unit-start-badge{display:inline-block;font-size:10px;font-weight:600;color:var(--accent-blue);background:rgba(96,165,250,.12);border:1px solid rgba(96,165,250,.35);border-radius:3px;padding:1px 5px;margin-bottom:5px;letter-spacing:0.03em}

/* Unit detail */
.unit-tabs{display:flex;gap:7px;margin:10px 0}
.unit-tab{padding:6px 14px;background:var(--bg-card2);border:2px solid var(--border);border-radius:var(--card-r);color:var(--text-sub);font-size:13px;box-shadow:2px 2px 0 var(--border-dark);transition:all var(--transition)}
.unit-tab.active{background:var(--accent-blue);border-color:#2a4070;color:#fffdf7}
.unit-tab:hover:not(.active){border-color:var(--accent-blue);color:var(--accent-blue)}
.lec-summary{padding:11px 13px;background:var(--bg-inset);border:1px solid var(--border-light);border-radius:var(--card-r);font-size:13px;color:var(--text-sub);line-height:1.7;margin-bottom:10px}
.lec-section{margin-bottom:14px}
.lec-section-label{font-size:15px;color:var(--accent-blue);margin-bottom:7px;display:block}
.lec-grammar-block{padding:10px 12px;background:var(--bg-inset);border:1px solid var(--border-light);border-radius:var(--card-r);margin-bottom:8px}
.lec-grammar-title{font-weight:700;font-size:13px;color:var(--text-main);margin-bottom:4px}
.lec-explanation{font-size:13px;color:var(--text-sub);line-height:1.65}
.lec-table-wrap{overflow-x:auto;margin:8px 0}
.lec-table{width:100%;border-collapse:collapse;font-size:12px}
.lec-table th,.lec-table td{border:1px solid var(--border);padding:6px 10px;text-align:left}
.lec-table th{background:var(--bg-card2)}
.lec-examples{display:grid;gap:6px;padding:10px 12px;border:1px solid var(--border-light);background:rgba(255,255,255,0.3);border-radius:var(--card-r);margin-top:8px}
.lec-example-row{display:grid;grid-template-columns:1fr 1fr;gap:10px;font-size:12px}
.lec-ex-fr{font-style:italic;color:var(--text-main)}
.lec-ex-zh{color:var(--text-sub)}
.lec-pitfall{margin-top:6px;font-size:12px;color:var(--accent-rose);padding:6px 10px;border:1px solid var(--accent-rose);background:rgba(168,88,88,0.05);border-radius:var(--card-r)}
.lec-tcf{display:flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid var(--accent-teal);background:rgba(61,128,119,0.06);border-radius:var(--card-r);font-size:12px;color:var(--text-sub);margin-top:6px}
.lec-tcf-badge{font-size:13px;color:var(--accent-teal);flex-shrink:0}
.lec-phonetique{padding:10px 12px;border:1px solid var(--border-light);background:var(--bg-inset);border-radius:var(--card-r);font-size:12px;color:var(--text-sub)}
.lec-vocab-group{margin-bottom:10px}
.lec-vocab-theme{font-size:14px;color:var(--accent-gold);margin-bottom:6px}
.lec-vocab-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(155px,1fr));gap:6px}
.lec-vocab-card{padding:8px 10px;background:var(--bg-inset);border:1px solid var(--border-light);border-radius:var(--card-r);font-size:12px}
.lec-word-fr{display:block;font-style:italic;color:var(--text-main);font-weight:500}
.lec-word-zh{display:block;color:var(--text-sub)}
.lec-word-ex{display:block;color:var(--text-dim);font-size:11px;margin-top:2px}
.lec-word-ex-zh{display:block;color:var(--text-sub);font-size:11px;margin-top:2px}
.lec-cando-list{font-size:13px;color:var(--text-sub);line-height:1.8;padding-left:18px}
.ex-block{margin-bottom:14px}
.ex-type{font-size:14px;color:var(--accent-blue);margin-bottom:6px;display:block}
.ex-instruction{font-size:13px;color:var(--text-sub);margin-bottom:6px}
.ex-passage{padding:10px 12px;background:var(--bg-inset);border:1px solid var(--border-light);border-radius:var(--card-r);font-size:13px;color:var(--text-main);line-height:1.7;margin-bottom:8px}
.ex-list{padding-left:18px}
.ex-item{margin-bottom:10px}
.ex-prompt{font-size:13px;color:var(--text-main);margin-bottom:4px}
.ex-answer-box{padding:8px 12px;background:var(--bg-inset);border:1px solid var(--border-light);border-radius:var(--card-r);cursor:pointer}
.ex-answer-box summary{color:var(--accent-teal);cursor:pointer;font-size:12px}
.ex-grade-row{display:flex;gap:8px;align-items:center;margin-top:7px;flex-wrap:wrap}
.grade-input{flex:1;min-width:120px;padding:5px 9px;background:var(--bg-inset);border:2px solid var(--border);border-radius:var(--card-r);font-size:12px;color:var(--text-main)}
.grade-input:focus{outline:none;border-color:var(--accent-teal)}
.grade-btn{padding:5px 12px;background:var(--accent-teal);border:2px solid #256058;border-radius:var(--card-r);color:white;font-size:12px;box-shadow:var(--px-shadow-teal)}
.grade-result{font-size:12px;padding:3px 8px;border-radius:2px;font-weight:600}
.grade-result.correct{color:var(--accent-green);background:rgba(80,127,70,0.1);border:1px solid var(--accent-green)}
.grade-result.wrong{color:var(--accent-rose);background:rgba(168,88,88,0.1);border:1px solid var(--accent-rose)}
.ex-answer{color:var(--accent-green);display:block;margin-top:4px}
.ex-model{color:var(--accent-green);display:block;margin-top:4px}
.ex-explain{color:var(--text-sub);font-size:11px;display:block;margin-top:3px}
.ex-blank-num{font-family:"VT323",monospace;font-size:13px;color:var(--accent-blue)}

/* QUESTION BANK */
.qb-card{padding:12px;background:var(--bg-card);border:2px solid var(--border);border-radius:var(--card-r);box-shadow:var(--px-shadow);display:flex;flex-direction:column;gap:5px}
.qb-card h5{font-size:13px;font-weight:700;color:var(--text-main)}
.difficulty-badge{font-family:"VT323",monospace;font-size:12px;padding:1px 7px;border:1px solid;border-radius:2px;display:inline-block}
.difficulty-badge[data-level="入门"]{color:var(--accent-green);border-color:var(--accent-green)}
.difficulty-badge[data-level="进阶"]{color:var(--accent-gold);border-color:var(--accent-gold)}
.difficulty-badge[data-level="冲刺"]{color:var(--accent-rose);border-color:var(--accent-rose)}
.status-pill{font-family:"VT323",monospace;font-size:12px;padding:1px 7px;border:1px solid var(--accent-purple);color:var(--accent-purple);border-radius:2px;display:inline-block}

/* MISTAKES */
.mistake-cat-tag{font-family:"VT323",monospace;font-size:12px;padding:1px 7px;border:1px solid var(--accent-rose);color:var(--accent-rose);border-radius:2px;display:inline-block;margin-bottom:4px}
.mistake-card{padding:12px;background:var(--bg-card);border:2px solid var(--border);border-left:3px solid var(--accent-rose);border-radius:var(--card-r);box-shadow:var(--px-shadow)}
.mistake-card h5{font-size:13px;font-weight:700;margin-bottom:4px;color:var(--text-main)}
.mistake-reason{font-size:12px;color:var(--text-sub)}
.next-action{font-size:12px;color:var(--accent-teal);margin-top:3px}
.mistake-form{padding:14px;background:var(--bg-card);border:2px solid var(--border);border-radius:var(--card-r);box-shadow:var(--px-shadow);display:flex;flex-direction:column;gap:10px}
.form-row{display:flex;gap:9px;flex-wrap:wrap}
.form-row>*{flex:1;min-width:140px}
.form-label{font-size:11px;color:var(--text-dim);display:block;margin-bottom:3px;letter-spacing:0.05em}
.form-input,.form-select,.form-textarea{width:100%;padding:7px 9px;background:var(--bg-inset);border:2px solid var(--border);border-radius:var(--card-r);color:var(--text-main);font-size:13px}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--accent-teal)}
.form-textarea{min-height:58px;resize:vertical}
.mistake-table-wrap{overflow-x:auto}
.mistake-table{width:100%;border-collapse:collapse;font-size:12px;min-width:700px}
.mistake-table th,.mistake-table td{border:1px solid var(--border);padding:8px 10px;text-align:left;vertical-align:top}
.mistake-table th{background:var(--bg-card2);font-family:"VT323",monospace;font-size:13px;color:var(--text-dim);letter-spacing:0.05em}
.mistake-table tr:hover td{background:var(--bg-inset)}
.tag-pill{display:inline-block;font-size:11px;padding:1px 6px;border:1px solid;border-radius:2px;margin:1px;cursor:pointer}
.tag-pill.selected{background:var(--accent-purple);border-color:var(--accent-purple);color:white}
.tag-filter-row{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:10px}

/* YOUTUBE */
.youtube-cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.tv-card{padding:14px;background:var(--bg-card);border:3px solid var(--border);border-radius:var(--card-r);box-shadow:var(--px-shadow)}
.tv-screen{padding:12px;background:var(--bg-inset);border:2px solid var(--border-light);border-radius:var(--card-r);min-height:80px}
.input-row{display:grid;grid-template-columns:1fr auto;gap:8px;margin-top:10px}
.text-input{padding:7px 10px;background:var(--bg-inset);border:2px solid var(--border);border-radius:var(--card-r);color:var(--text-main);font-size:13px}
.helper-text{font-size:11px;color:var(--text-dim);margin-top:6px}

/* RESPONSIVE */
@media(max-width:1200px){.home-grid{grid-template-columns:250px 1fr 250px}.dash-metric-row{grid-template-columns:repeat(2,1fr)}}
@media(max-width:1000px){.home-grid{grid-template-columns:240px 1fr}.home-right{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr 1fr}.split-layout{grid-template-columns:1fr}.youtube-cards-grid{grid-template-columns:1fr 1fr}}
@media(max-width:760px){.home-grid{grid-template-columns:1fr;padding:10px}.home-right{grid-template-columns:1fr 1fr}.dash-metric-row{grid-template-columns:1fr 1fr}.topbar-sub{display:none}.youtube-cards-grid{grid-template-columns:1fr}}
@media(max-width:520px){.home-right{grid-template-columns:1fr}.add-task-row{flex-wrap:wrap}}
/* ══════════════════════════════════
   PATCH — 追加到 styles.css 末尾
   覆盖之前所有 patch，统一放这里
══════════════════════════════════ */

/* FIX #2: 登录卡片排版 */
.profile-head {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  min-width: 0;
}

.profile-identity {
  min-width: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.profile-name {
  font-size: 20px;
  color: var(--text-main);
  display: block;
  line-height: 1.1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.profile-meta {
  font-size: 11px;
  color: var(--text-sub);
  line-height: 1.4;
  margin: 0;
}

.profile-email {
  font-size: 10px;
  color: var(--text-dim);
  line-height: 1.3;
  overflow-wrap: anywhere;
  word-break: break-word;
  margin-top: 2px;
}

.profile-meta-row {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 2px;
}

.profile-level-chip,
.profile-exam-chip {
  display: inline-block;
  border: 1px solid;
  border-radius: 2px;
  padding: 1px 6px;
  font-size: 10px;
  line-height: 1.2;
}

.profile-level-chip {
  color: var(--accent-blue);
  border-color: var(--accent-blue);
  background: rgba(63, 98, 160, 0.08);
}

.profile-exam-chip {
  color: var(--accent-gold);
  border-color: var(--accent-gold);
  background: rgba(184, 131, 46, 0.08);
}

.profile-actions {
  display: flex;
  flex-direction: column;
  gap: 5px;
  align-items: flex-end;
  flex-shrink: 0;
}

.profile-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-top: 4px;
}

.profile-stat {
  padding: 6px 8px;
  background: var(--bg-inset);
  border: 1px solid var(--border-light);
  border-radius: var(--card-r);
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.profile-stat-val {
  display: block;
  font-size: 18px;
  color: var(--accent-blue);
  line-height: 1;
}

.profile-stat-key {
  font-size: 10px;
  color: var(--text-dim);
  line-height: 1.3;
}

/* FIX #4: 热力图今日高亮 */
.hm-cell.hm-today {
  outline: 2px solid var(--accent-gold);
  outline-offset: 1px;
  z-index: 2;
  position: relative;
}

.hm-cell.hm-empty {
  background: transparent;
  border-color: transparent;
  cursor: default;
  pointer-events: none;
}

/* FIX #4: 热力图 grid 支持任意列数（按月渲染，固定7列） */
.heatmap-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

/* FIX #5: 复习任务在今日学习中的专属展示 */
.task-review-box {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: 2px;
  padding: 4px 7px;
  background: rgba(168,88,88,0.06);
  border: 1px solid var(--accent-rose);
  border-radius: 2px;
}

.task-review-q {
  font-size: 11px;
  color: var(--text-sub);
  font-style: italic;
}

.task-review-ans {
  font-size: 11px;
  color: var(--accent-green);
  font-weight: 500;
}

/* FIX #5: 标签可点击提示 */
.task-tag[title] {
  cursor: pointer;
  transition: opacity 0.1s;
}
.task-tag[title]:hover {
  opacity: 0.75;
}

/* FIX #7: 错题表格内联编辑 */
.editable-cell[contenteditable="true"]:focus {
  outline: 2px solid var(--accent-teal);
  background: var(--bg-inset);
  border-radius: 2px;
  padding: 2px 4px;
}

.editable-cell[contenteditable="true"]:hover {
  background: var(--bg-inset);
  border-radius: 2px;
}

/* 标签单元格 */
.mistake-tag-cell {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
  align-items: center;
  min-width: 80px;
}

.mistake-repractice-panel {
  margin-top: 10px;
  padding: 10px;
  border: 2px dashed var(--border-light);
  border-radius: var(--card-r);
  background: var(--bg-inset);
}

.mistake-repractice-empty {
  font-size: 12px;
  color: var(--text-dim);
}

.mistake-repractice-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}

.mistake-repractice-status {
  font-size: 11px;
  color: var(--accent-teal);
}

.mistake-repractice-q {
  font-size: 13px;
  color: var(--text-main);
  margin-bottom: 4px;
}

.mistake-repractice-a {
  font-size: 12px;
  color: var(--text-sub);
  margin-bottom: 2px;
}

.mistake-repractice-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.mistake-repractice-meta {
  margin-top: 6px;
  font-size: 11px;
  color: var(--text-dim);
}

/* 首页按钮激活态 */
.tnav-home.active {
  background: var(--accent-blue);
  border-color: #2a4070;
  color: #fffdf7 !important;
  box-shadow: 2px 2px 0 #2a4070;
}

/* Date selector row */
.date-selector-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

/* Dashboard stack */
.dash-content-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
}

/* Inner page consistent padding */
.inner-page {
  padding: 12px 18px 40px;
  gap: 12px;
}

/* Exam inputs */
#exam-date-input,
#dash-exam-input {
  background: var(--bg-inset);
  border: 2px solid var(--border);
  border-radius: var(--card-r);
  color: var(--text-main);
}
#exam-date-input:focus,
#dash-exam-input:focus {
  outline: none;
  border-color: var(--accent-teal);
}