/* ============ COMPONENTS — mobile header, typography, cards, forms, dashboard, login, books, quizzes, badges, etc. ============ */

/* ===== Mobile header / backdrop ===== */

.mobile-header{display:none;position:sticky;top:0;background:var(--surface);
               border-bottom:1px solid var(--border);padding:10px 16px;z-index:40;
               justify-content:space-between;align-items:center;gap:10px}
.hamburger{background:none;border:0;padding:8px;cursor:pointer;color:var(--text)}
.hamburger svg{width:22px;height:22px}
.backdrop{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:45;backdrop-filter:blur(2px)}
.backdrop.show{display:block}


/* ===== Main content + typography + general components ===== */
main{flex:1;padding:36px 48px 80px;max-width:1100px;width:100%}

h1.title{color:var(--text);font-size:28px;margin:0 0 6px;font-weight:700;letter-spacing:-.3px}
h2{color:var(--text);font-size:21px;margin:32px 0 14px;font-weight:700;
   border-bottom:1px solid var(--border-soft);padding-bottom:8px}
h3{color:var(--primary);font-size:16px;margin:22px 0 10px;font-weight:600}
[data-theme="dark"] h3{color:var(--primary-light)}
h4{font-size:14px;margin:16px 0 8px;font-weight:600;color:var(--text);text-transform:uppercase;letter-spacing:.4px}
.lead{color:var(--muted);font-size:15px;margin:0 0 24px;line-height:1.6}
p{margin:0 0 12px}
ul,ol{padding-left:22px;margin:8px 0 16px}
li{margin-bottom:5px}
blockquote{border-left:3px solid var(--accent);background:var(--surface-2);padding:14px 18px;
           margin:18px 0;border-radius:0 var(--radius-sm) var(--radius-sm) 0;
           color:var(--muted);font-style:italic}

.pill{display:inline-block;padding:3px 10px;border-radius:12px;font-size:11px;
      font-weight:600;background:var(--surface-2);color:var(--muted);
      border:1px solid var(--border);margin-right:4px;margin-bottom:4px}
.pill.primary{background:var(--accent);color:#fff;border-color:transparent}
.pill.success{background:var(--green-soft);color:var(--green);border-color:transparent}
.pill.warn{background:var(--yellow-soft);color:#a07a06;border-color:transparent}
[data-theme="dark"] .pill.warn{color:#fbbf24}

.lang-banner{display:flex;align-items:center;justify-content:space-between;gap:10px;
             background:var(--surface-2);border:1px solid var(--border);
             border-radius:var(--radius);padding:10px 14px;margin:0 0 18px;font-size:13px}
.lang-banner .left{display:flex;align-items:center;gap:8px;color:var(--muted)}
.lang-banner svg{width:16px;height:16px;flex:0 0 16px}

.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
      padding:20px;margin:14px 0;box-shadow:var(--shadow-sm)}
.card.highlight{border-color:var(--accent);box-shadow:0 0 0 3px rgba(217,119,6,.12),var(--shadow-md)}
[data-theme="dark"] .card.highlight{box-shadow:0 0 0 3px rgba(251,191,36,.15),var(--shadow-md)}
.grid{display:grid;gap:14px}
.grid-2{grid-template-columns:1fr 1fr}
.grid-3{grid-template-columns:repeat(3,1fr)}

table{width:100%;border-collapse:collapse;margin:14px 0;background:var(--surface);
      border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);
      font-size:14px;box-shadow:var(--shadow-sm)}
th{background:var(--surface-2);color:var(--text);text-align:left;padding:11px 14px;
   font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.5px;
   border-bottom:1px solid var(--border)}
td{padding:10px 14px;border-top:1px solid var(--border-soft);vertical-align:top}
tr:hover td{background:var(--surface-2)}

input[type=text],input[type=number],input[type=date],input[type=file],textarea,select{
  width:100%;padding:8px 11px;border:1px solid var(--border);border-radius:var(--radius-sm);
  font:inherit;font-size:14px;background:var(--surface);color:var(--text);
  transition:border-color .15s,box-shadow .15s}
input:focus,textarea:focus,select:focus{outline:0;border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(217,119,6,.18)}
textarea{min-height:60px;resize:vertical;font-family:inherit}
label{display:block;font-size:11px;color:var(--muted);margin-bottom:4px;
      font-weight:600;text-transform:uppercase;letter-spacing:.6px}
.input-row{display:flex;gap:10px;align-items:flex-end;margin-bottom:12px;flex-wrap:wrap}
.input-row > div{flex:1;min-width:120px}

button{background:var(--primary);color:#fff;border:0;padding:9px 18px;
       border-radius:var(--radius-sm);font:inherit;font-weight:600;font-size:14px;
       cursor:pointer;transition:all .15s;box-shadow:var(--shadow-sm)}
button:hover{transform:translateY(-1px);box-shadow:var(--shadow-md);background:var(--primary-light)}
button:active{transform:translateY(0);box-shadow:var(--shadow-sm)}
button.sec{background:var(--surface);color:var(--text);border:1px solid var(--border)}
button.sec:hover{background:var(--surface-2);border-color:var(--accent)}
button.danger{background:var(--red)}
button.ghost{background:transparent;color:var(--muted);box-shadow:none;padding:4px 10px;font-size:12px}
button.ghost:hover{background:var(--surface-2);color:var(--text);transform:none;box-shadow:none}

.check{display:flex;align-items:flex-start;gap:12px;padding:10px 12px;
       border-radius:var(--radius-sm);margin-bottom:6px;cursor:pointer;
       transition:background .15s;background:var(--surface);border:1px solid var(--border-soft)}
.check:hover{background:var(--surface-2);border-color:var(--border)}
.check input{margin-top:3px;width:18px;height:18px;cursor:pointer;flex:0 0 18px;accent-color:var(--accent)}
.check label{font:inherit;font-size:14px;color:var(--text);margin:0;
             text-transform:none;letter-spacing:0;font-weight:400;flex:1;cursor:pointer}
.check.done{background:var(--green-soft);border-color:transparent}
.check.done label{text-decoration:line-through;color:var(--muted)}

.badge{display:inline-block;padding:3px 10px;border-radius:4px;font-size:12px;font-weight:600;white-space:nowrap}
.badge.win{background:var(--green-soft);color:var(--green)}
.badge.loss{background:var(--red-soft);color:var(--red)}

.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin:18px 0}
.stat{background:var(--surface);border:1px solid var(--border);
      border-radius:var(--radius);padding:16px;box-shadow:var(--shadow-sm);
      transition:transform .15s,box-shadow .15s}
.stat:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.stat .v{font-size:26px;font-weight:700;color:var(--text);line-height:1.1}
.stat .l{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:1px;margin-top:6px;font-weight:600}

.progress{height:8px;background:var(--border-soft);border-radius:4px;overflow:hidden;margin:6px 0 14px}
.progress > div{height:100%;background:linear-gradient(90deg,var(--accent),var(--primary));
                transition:width .4s ease;border-radius:4px}

/* ===== Dashboard (P02) + skill tree (P08) + section + toolbar + toast ===== */

/* ===== Dashboard redesign (P02) ===== */
.dash-label{font-size:11px;text-transform:uppercase;letter-spacing:1px;font-weight:700;color:var(--muted)}
.hero-row{display:grid;grid-template-columns:1fr 1.2fr 1fr;gap:14px;margin:18px 0}
.streak-card{}
.discipline-card{}
/* P07 gauge */
.discipline-gauge{width:200px;height:200px;display:block;margin:0 auto}
.discipline-card.score-low #gaugeFill{stroke:url(#gaugeGradRed)}
.discipline-card.score-mid #gaugeFill{stroke:url(#gaugeGradYellow)}
.discipline-card.score-high #gaugeFill{stroke:url(#gaugeGradGreen)}
.discipline-card.score-gold #gaugeFill{stroke:url(#gaugeGradGold)}
.discipline-components{margin-top:12px}
.comp{display:grid;grid-template-columns:110px 1fr 40px;gap:8px;align-items:center;font-size:11px;margin:4px 0}
.comp-name{color:var(--muted);text-transform:uppercase;letter-spacing:.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.comp-bar{height:6px;background:var(--border);border-radius:3px;overflow:hidden}
.comp-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--primary));border-radius:3px;transition:width .6s ease}
.comp-val{text-align:right;font-weight:600;color:var(--muted)}
.discipline-feedback{margin-top:10px}
.feedback-msg{font-size:12px;color:var(--muted);background:var(--surface-alt,var(--border));border-radius:6px;padding:8px 10px;line-height:1.5}
@media(max-width:480px){
  .discipline-gauge{width:160px;height:160px}
}

/* P08 skill tree */
.skill-tree-wrap{background:var(--surface-2);border-radius:var(--radius-lg);padding:20px;overflow-x:auto}
#skillTree{width:100%;height:auto;max-height:80vh;display:block}
.path-node{opacity:0;animation:pathNodeIn .4s ease forwards}
@keyframes pathNodeIn{from{opacity:0}to{opacity:1}}
.path-node circle{transition:all .3s}
.node-complete circle{fill:var(--green);stroke:#fff;stroke-width:3}
.node-active circle{fill:var(--accent);stroke:var(--accent-2);stroke-width:3;animation:pulse-ring 2s ease-out infinite}
.node-locked circle{fill:var(--border);stroke:var(--border-soft);stroke-width:3}
.node-locked text{fill:var(--muted)!important}
.node-label{fill:var(--text)}
.path-node:hover circle{transform:scale(1.1);transform-origin:center}
@keyframes pulse-ring{0%,100%{stroke-opacity:1}50%{stroke-opacity:.3;stroke-width:6}}
.edge-locked{stroke:var(--border);stroke-dasharray:5,5}
.edge-active{stroke:var(--accent);stroke-dasharray:5,5;opacity:.7}
.edge-complete{stroke:var(--green)}
.path-legend{display:flex;gap:18px;margin:14px 0;font-size:13px;flex-wrap:wrap}
.legend-dot{width:12px;height:12px;border-radius:50%;display:inline-block;vertical-align:middle;margin-right:5px}
.legend-dot.complete{background:var(--green)}
.legend-dot.active{background:var(--accent)}
.legend-dot.locked{background:var(--border)}
.path-detail{margin-top:18px}
.path-fallback{display:none}
.path-fb-item{border:1px solid var(--border);border-radius:var(--radius);margin:6px 0;overflow:hidden}
.path-fb-item summary{padding:12px 16px;cursor:pointer;font-weight:600;display:flex;justify-content:space-between;align-items:center;list-style:none;background:var(--surface)}
.path-fb-item.done summary{color:var(--green)}
.path-fb-status{font-size:12px;font-weight:500;color:var(--muted)}
.path-fb-detail{padding:12px 16px;background:var(--surface-2);border-top:1px solid var(--border)}
@media(max-width:600px){.path-node .node-label{font-size:9px}}
@media(max-width:380px){#skillTree{display:none}.path-fallback{display:block}}

.today-action{background:linear-gradient(135deg,var(--accent),var(--primary));color:#fff;
              border-radius:var(--radius);padding:18px;display:flex;flex-direction:column;
              box-shadow:var(--shadow-md)}
.today-action-btn{background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.3);
                  color:#fff;padding:10px 16px;border-radius:8px;font-size:14px;font-weight:600;
                  cursor:pointer;width:100%;margin-top:auto;transition:background .15s}
.today-action-btn:hover{background:rgba(255,255,255,.28)}
@media(max-width:768px){
  .hero-row{grid-template-columns:1fr}
  .today-action{order:-1}
  .streak-card .streak-emoji{font-size:18px!important}
}

section{display:none}
section.active{display:block;animation:fadeIn .2s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

.toolbar{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0;align-items:center;
         background:var(--surface);border:1px solid var(--border);
         border-radius:var(--radius);padding:14px;box-shadow:var(--shadow-sm)}
.toolbar input[type=text]{max-width:280px}

.toast-stack{position:fixed;bottom:20px;right:20px;display:flex;flex-direction:column;
             gap:8px;z-index:1000;pointer-events:none}
.toast{background:var(--surface);color:var(--text);border:1px solid var(--border);
       padding:12px 18px;border-radius:var(--radius);box-shadow:var(--shadow-lg);
       font-weight:500;font-size:14px;animation:toastIn .25s ease;
       display:flex;align-items:center;gap:10px;min-width:200px;pointer-events:auto}
.toast.success{border-left:3px solid var(--green)}
.toast.error{border-left:3px solid var(--red)}
.toast.info{border-left:3px solid var(--accent)}
@keyframes toastIn{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:none}}
.toast.removing{animation:toastOut .25s ease forwards}
@keyframes toastOut{to{opacity:0;transform:translateX(20px)}}

/* ===== XP toast + Level-up overlay (P04) ===== */
/* ===== XP toast (P04) ===== */
.toast-xp{position:fixed;right:24px;padding:8px 16px;border-radius:20px;
          background:linear-gradient(135deg,var(--accent),var(--accent-2));
          color:#fff;font-weight:700;font-size:13px;
          box-shadow:0 8px 24px rgba(0,0,0,.22);
          animation:toastXpSlide 1.5s ease forwards;
          z-index:1001;pointer-events:none}
@keyframes toastXpSlide{
  0%{opacity:0;transform:translateY(20px)}
  20%{opacity:1;transform:translateY(0)}
  80%{opacity:1;transform:translateY(0)}
  100%{opacity:0;transform:translateY(-10px)}
}

/* ===== Level-up overlay (P04) ===== */
.level-up-overlay{position:fixed;inset:0;background:rgba(0,0,0,.72);
                  backdrop-filter:blur(4px);z-index:900;display:flex;
                  align-items:center;justify-content:center;animation:fadeIn .3s ease}
.level-up-overlay.hidden{display:none}
.level-up-box{background:var(--surface);border-radius:var(--radius-lg);
              padding:40px 48px;text-align:center;
              box-shadow:var(--shadow-lg);position:relative;overflow:hidden;
              max-width:400px;width:90%}
.confetti-wrap{position:absolute;top:0;left:0;width:100%;height:100%;
               pointer-events:none;overflow:hidden}
.confetti-particle{position:absolute;top:-20px;width:10px;height:10px;
                   border-radius:2px;animation:confettiFall linear forwards}
@keyframes confettiFall{
  0%{opacity:1;transform:translateY(0) rotate(0deg)}
  100%{opacity:0;transform:translateY(320px) rotate(720deg)}
}
.level-up-icon{font-size:52px;margin-bottom:12px;position:relative;z-index:1}
.level-up-title{font-size:28px;font-weight:800;margin:0 0 12px;color:var(--text);position:relative;z-index:1}
.level-up-names{font-size:17px;font-weight:600;color:var(--text);margin-bottom:24px;
                display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:4px;
                position:relative;z-index:1}
.level-up-btn{background:linear-gradient(135deg,var(--accent),var(--accent-2));
              color:#fff;border:0;padding:12px 32px;border-radius:24px;
              font-size:15px;font-weight:700;cursor:pointer;position:relative;z-index:1;
              transition:transform .15s,box-shadow .15s;
              box-shadow:0 4px 16px rgba(217,119,6,.30)}
.level-up-btn:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(217,119,6,.40)}

/* ===== Empty state + current week + charts + PDF embed + gallery + lightbox ===== */
.empty{text-align:center;padding:50px 30px;color:var(--muted)}
.empty svg{width:56px;height:56px;color:var(--subtle);margin-bottom:14px;opacity:.7}
.empty h4{font-size:15px;color:var(--text);margin:0 0 8px;text-transform:none;letter-spacing:0}
.empty p{margin:0 0 14px;max-width:340px;display:inline-block}

.current-week{border-color:var(--accent)!important;
              box-shadow:0 0 0 3px rgba(217,119,6,.12),var(--shadow-md)!important}
.current-week .week-badge{background:var(--accent);color:#fff}

.equity-chart{background:var(--surface);border:1px solid var(--border);
              border-radius:var(--radius);padding:18px;margin:18px 0;box-shadow:var(--shadow-sm)}
.equity-chart svg{width:100%;height:auto;display:block}
.equity-chart .axis{stroke:var(--border)}
.equity-chart .grid-line{stroke:var(--border-soft)}
.equity-chart .line{fill:none;stroke-width:2.5;stroke-linejoin:round;stroke-linecap:round}
.equity-chart .dot{fill:var(--surface);stroke-width:2}

.pdf-embed{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
           overflow:hidden;box-shadow:var(--shadow-sm);margin:18px 0}
.pdf-embed iframe,.pdf-embed object{width:100%;height:80vh;min-height:600px;border:0;display:block}
.pdf-embed .fallback{padding:24px;text-align:center;color:var(--muted)}
.pdf-actions{display:flex;gap:10px;flex-wrap:wrap;padding:12px 14px;background:var(--surface-2);
             border-bottom:1px solid var(--border);align-items:center;font-size:13px}
.pdf-actions a.btn{background:var(--primary);color:#fff;text-decoration:none;padding:6px 12px;
                   border-radius:var(--radius-sm);font-weight:600;font-size:12px}

.small{font-size:12px;color:var(--muted)}
.row-actions{display:flex;gap:6px}
.filter-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.filter-row select,.filter-row input[type=text]{max-width:220px;font-size:13px}
.meta{display:flex;gap:6px;flex-wrap:wrap;align-items:center;margin-bottom:8px}

/* ============ PDF PAGE GALLERY ============ */
.pdf-gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px;margin:18px 0}
.pdf-thumb{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
           overflow:hidden;box-shadow:var(--shadow-sm);cursor:zoom-in;transition:transform .15s,box-shadow .15s;position:relative}
.pdf-thumb:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--accent)}
.pdf-thumb img{width:100%;height:auto;display:block}
.pdf-thumb .page-label{position:absolute;top:6px;left:6px;background:rgba(0,0,0,.7);color:#fff;
                       font-size:11px;font-weight:600;padding:2px 8px;border-radius:4px}
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.92);z-index:200;display:none;
          align-items:center;justify-content:center;padding:40px;cursor:zoom-out}
.lightbox.show{display:flex}
.lightbox img{max-width:100%;max-height:100%;border-radius:6px;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.lightbox .lb-close{position:absolute;top:18px;right:24px;color:#fff;background:none;border:0;
                    font-size:32px;cursor:pointer;line-height:1;padding:0}
.lightbox .lb-nav{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.15);
                  color:#fff;border:0;width:48px;height:48px;border-radius:50%;cursor:pointer;font-size:24px;
                  display:flex;align-items:center;justify-content:center}
.lightbox .lb-nav:hover{background:rgba(255,255,255,.25)}
.lightbox .lb-prev{left:18px} .lightbox .lb-next{right:18px}
.lightbox .lb-counter{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);
                      color:#fff;font-size:13px;background:rgba(0,0,0,.5);padding:6px 14px;border-radius:14px}

/* ===== Stack callout + search overlay + streak + pomodoro + floating nav ===== */
/* ============ STACK CALLOUT ============ */
.stack-callout{background:linear-gradient(135deg,var(--primary) 0%,#0a3823 100%);color:#fff;
               border-radius:var(--radius-lg);padding:24px;margin:20px 0;box-shadow:var(--shadow-lg);
               position:relative;overflow:hidden}
[data-theme="dark"] .stack-callout{background:linear-gradient(135deg,#0d2818 0%,#061410 100%);
               border:1px solid var(--primary)}
.stack-callout::before{content:'';position:absolute;top:0;right:0;width:200px;height:100%;
               background:radial-gradient(circle at top right,rgba(217,119,6,.25),transparent 70%);pointer-events:none}
.stack-callout h3{color:var(--accent);margin:0 0 12px;font-size:14px;text-transform:uppercase;letter-spacing:1.5px}
[data-theme="dark"] .stack-callout h3{color:var(--accent-2)}
.stack-callout .stack-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:20px;font-weight:700;margin-bottom:10px}
.stack-callout .stack-row .item{background:rgba(255,255,255,.10);padding:8px 16px;border-radius:8px;font-size:16px}
.stack-callout .stack-row .plus{color:var(--accent);font-weight:400;font-size:22px}
[data-theme="dark"] .stack-callout .stack-row .plus{color:var(--accent-2)}
.stack-callout p{margin:0;color:rgba(255,255,255,.85);font-size:14px}

/* ============ SEARCH OVERLAY ============ */
.search-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);backdrop-filter:blur(6px);
                z-index:150;display:none;align-items:flex-start;justify-content:center;padding-top:80px}
.search-overlay.show{display:flex}
.search-box{background:var(--surface);border-radius:var(--radius-lg);width:100%;max-width:640px;
            box-shadow:var(--shadow-lg);overflow:hidden}
.search-box input{width:100%;padding:18px 22px;border:0;font-size:18px;background:transparent;
                  color:var(--text);border-bottom:1px solid var(--border)}
.search-box input:focus{outline:0;box-shadow:none}
.search-results{max-height:60vh;overflow-y:auto}
.search-results .sr-item{padding:12px 22px;border-bottom:1px solid var(--border-soft);cursor:pointer}
.search-results .sr-item:hover{background:var(--surface-2)}
.search-results .sr-section{font-size:11px;color:var(--accent);text-transform:uppercase;letter-spacing:1px;font-weight:700;margin-bottom:4px}
.search-results .sr-snippet{font-size:13px;color:var(--text);line-height:1.4}
.search-results .sr-snippet mark{background:var(--yellow-soft);color:inherit;padding:0 2px;border-radius:2px}
.search-results .sr-empty{padding:30px;text-align:center;color:var(--muted)}

/* ============ STREAK & PROGRESS BADGES ============ */
.streak-badge{display:inline-flex;align-items:center;gap:6px;background:var(--yellow-soft);
              color:var(--yellow);padding:6px 12px;border-radius:14px;font-size:12px;font-weight:700;
              border:1px solid var(--yellow)}
[data-theme="dark"] .streak-badge{color:#fbbf24}
.section-progress{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);
                  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);
                  padding:8px 14px;margin:0 0 18px;width:fit-content}
.section-progress button{background:var(--primary);color:#fff;border:0;padding:5px 12px;border-radius:4px;
                         cursor:pointer;font-size:12px;font-weight:600}
.section-progress.done{background:var(--green-soft);border-color:transparent;color:var(--green)}
.section-progress.done button{background:var(--green)}

/* ============ POMODORO TIMER ============ */
.pomodoro{position:fixed;bottom:20px;left:20px;background:var(--surface);border:1px solid var(--border);
          border-radius:var(--radius);padding:12px 16px;box-shadow:var(--shadow-md);
          display:flex;align-items:center;gap:10px;font-size:13px;z-index:90}
.pomodoro.hidden{display:none}
.pomodoro .timer{font-family:"SF Mono",Menlo,monospace;font-weight:700;font-size:18px;color:var(--accent);min-width:54px}
.pomodoro button{padding:4px 10px;font-size:12px;background:var(--surface-2);color:var(--text);border:1px solid var(--border);box-shadow:none}
.pomodoro button:hover{background:var(--accent);color:#fff;border-color:var(--accent);transform:none;box-shadow:none}
.pomodoro .label{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}

/* ============ FLOATING NEXT/PREV ============ */
.floating-nav{display:flex;justify-content:space-between;gap:14px;margin:32px 0 0;padding-top:24px;border-top:1px solid var(--border-soft)}
.floating-nav a{display:flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--border);
                border-radius:var(--radius);padding:10px 16px;text-decoration:none;color:var(--text);
                font-size:14px;font-weight:600;flex:1;transition:all .15s;box-shadow:var(--shadow-sm)}
.floating-nav a:hover{border-color:var(--accent);background:var(--surface-2)}
.floating-nav .fn-prev{justify-content:flex-start}
.floating-nav .fn-next{justify-content:flex-end}
.floating-nav .fn-label{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;font-weight:600}
.floating-nav .fn-title{font-size:14px}

/* ===== Markets clock + CME table + sizer + mistake tags + analytics + concept/warn/tip/flow ===== */

/* ============ MARKETS CLOCK ============ */
.markets-clock{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
               padding:14px 16px;margin:14px 0 18px;box-shadow:var(--shadow-sm);
               display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.markets-clock .now{font-family:"SF Mono",Menlo,monospace;font-weight:700;font-size:15px;color:var(--text)}
.markets-clock .session{display:flex;gap:8px;flex-wrap:wrap;flex:1;justify-content:center}
.markets-clock .ses{padding:5px 12px;border-radius:14px;font-size:12px;font-weight:600;background:var(--surface-2);color:var(--muted);border:1px solid var(--border)}
.markets-clock .ses.active{background:var(--accent);color:#fff;border-color:transparent;box-shadow:0 0 0 3px rgba(217,119,6,.15)}
.markets-clock .next{font-size:12px;color:var(--muted)}
.markets-clock .next b{color:var(--text)}

/* ============ CME TABLE / SIZER ============ */
.contract-table{font-size:13px}
.contract-table td{padding:8px 12px}
.contract-table .sym{font-weight:700;color:var(--primary)}
[data-theme="dark"] .contract-table .sym{color:var(--primary-light)}
.sizer-result{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);
              padding:18px;margin:14px 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px}
.sizer-result .cell{text-align:center}
.sizer-result .cell .v{font-size:22px;font-weight:700;color:var(--text);line-height:1.1}
.sizer-result .cell .l{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:1px;margin-top:4px;font-weight:600}
.sizer-result .cell.warn .v{color:var(--red)}
.sizer-result .cell.good .v{color:var(--green)}

/* ============ MISTAKE TAGS ============ */
.mistake-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
.mistake-tags .tag-chip{padding:4px 10px;border-radius:12px;font-size:11px;font-weight:600;
                        background:var(--surface-2);color:var(--muted);border:1px solid var(--border);cursor:pointer;
                        transition:all .12s;user-select:none}
.mistake-tags .tag-chip:hover{border-color:var(--accent)}
.mistake-tags .tag-chip.active{background:var(--red-soft);color:var(--red);border-color:var(--red)}

/* ============ ANALYTICS BREAKDOWN ============ */
.breakdown{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
           padding:16px;margin:12px 0;box-shadow:var(--shadow-sm)}
.breakdown h4{margin:0 0 10px;text-transform:none;letter-spacing:0;font-size:14px;color:var(--text)}
.breakdown table{margin:0;font-size:13px;box-shadow:none;border:0}
.breakdown th{padding:6px 10px;font-size:11px}
.breakdown td{padding:6px 10px}
.breakdown .bar{display:inline-block;height:6px;background:var(--green);border-radius:3px;vertical-align:middle;margin-right:6px;min-width:2px}
.breakdown .bar.neg{background:var(--red)}

/* ============ ANDREJ + UČEBNICA ENHANCEMENTS ============ */
.concept-card{background:var(--surface);border-left:4px solid var(--accent);border-radius:0 var(--radius) var(--radius) 0;
              padding:16px 20px;margin:16px 0;box-shadow:var(--shadow-sm)}
.concept-card .label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--accent);margin-bottom:6px}
.concept-card h4{margin-top:0;text-transform:none;letter-spacing:0;font-size:16px}

.warn-box{background:var(--yellow-soft);border:1px solid var(--yellow);border-left:4px solid var(--yellow);
          border-radius:var(--radius-sm);padding:14px 18px;margin:16px 0;color:#7c5e0c}
[data-theme="dark"] .warn-box{color:#fbbf24}
.warn-box::before{content:'⚠ ';font-weight:700}

.tip-box{background:var(--green-soft);border:1px solid var(--green);border-left:4px solid var(--green);
         border-radius:var(--radius-sm);padding:14px 18px;margin:16px 0;color:#0f5132}
[data-theme="dark"] .tip-box{color:#4ade80}
.tip-box::before{content:'💡 ';font-weight:700}

.numbered-flow{counter-reset:flow-step;margin:18px 0}
.numbered-flow .step{position:relative;padding:18px 20px 18px 60px;background:var(--surface);
                     border:1px solid var(--border);border-radius:var(--radius);margin-bottom:10px;
                     counter-increment:flow-step;box-shadow:var(--shadow-sm)}
.numbered-flow .step::before{content:counter(flow-step);position:absolute;left:14px;top:14px;
                             width:32px;height:32px;background:var(--accent);color:#fff;border-radius:50%;
                             display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px}
.numbered-flow .step h4{margin:0 0 6px;text-transform:none;letter-spacing:0;font-size:16px;color:var(--text)}
.numbered-flow .step p:last-child{margin-bottom:0}

/* ===== Responsive (@media) + bottom-nav + print + neon border + AUTH login ===== */
@media(max-width:900px){
  .mobile-header{display:flex}
  aside{position:fixed;left:0;top:0;transform:translateX(-100%);box-shadow:var(--shadow-lg)}
  aside.open{transform:translateX(0)}
  main{padding:20px 18px 60px;max-width:100%}
  h1.title{font-size:22px}
  h2{font-size:18px}
  .input-row{flex-direction:column;gap:8px}
  .input-row > div{flex:1 1 100%;min-width:0}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .pdf-embed iframe,.pdf-embed object{height:70vh;min-height:500px}
}

/* P09 — phone breakpoint */
@media(max-width:480px){
  body{font-size:16px;line-height:1.7}
  input,textarea,select{font-size:16px}
  main{padding:16px 14px 80px}
  h1.title{font-size:20px}
  h2{font-size:17px}
  .card{padding:16px}
  .stat-grid{grid-template-columns:1fr}
  .stat .v{font-size:22px}
  .mobile-header{padding:8px 12px}
  .hero-row{grid-template-columns:1fr;gap:10px}
  .pdf-mobile-card{display:block}
  .pdf-embed-desktop{display:none}
}

/* P09 — PDF mobile card */
.pdf-mobile-card{display:none}
.pdf-embed-desktop{display:block}

/* P09 — bottom nav */
.bottom-nav{display:none;position:fixed;bottom:0;left:0;right:0;height:60px;
            padding-bottom:env(safe-area-inset-bottom);
            background:var(--surface);border-top:1px solid var(--border);
            z-index:50;box-shadow:0 -2px 12px rgba(0,0,0,.06)}
@media(max-width:480px){.bottom-nav{display:flex}}
.bn-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
         gap:3px;font-size:10px;color:var(--muted);text-decoration:none;
         position:relative;font-weight:600;transition:color .15s}
.bn-item svg{width:22px;height:22px}
.bn-item.active{color:var(--accent)}
.bn-item.active::before{content:'';position:absolute;top:0;left:30%;right:30%;
                        height:2px;background:var(--accent);border-radius:0 0 2px 2px}

@media print{aside,.mobile-header,.toast-stack{display:none!important}
  main{max-width:100%;padding:0}section{display:block!important}}

/* ============ NEON BORDER (login box) ============ */
@property --neon-angle {
  syntax: '<angle>';
  inherits: false;
  initial-value: 0deg;
}
@keyframes neon-spin { to { --neon-angle: 360deg; } }

/* ============ AUTH ============ */
.login-overlay{position:fixed;inset:0;z-index:300;display:flex;align-items:center;justify-content:center;
               padding:20px;background:url('../login-bg.jpg') center/cover no-repeat;overflow:hidden;animation:fadeIn .3s ease}
.login-overlay.hidden{display:none}

/* Tmavý overlay aby bol box čitateľný nad fotografiou */
.login-overlay::after{content:'';position:absolute;inset:0;z-index:1;pointer-events:none;
  background:rgba(4,8,16,.55)}

/* Login box — glass efekt nad fotografiou */
.login-box{position:relative;z-index:2;
  background:rgba(8,14,26,.80);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border:1px solid rgba(217,119,6,.35); border-radius:18px;
  padding:36px 32px; box-shadow:0 30px 80px rgba(0,0,0,.65), 0 0 0 1px rgba(255,255,255,.04);
  width:100%; max-width:380px; color:#fff}
.login-brand{text-align:center;margin-bottom:24px}
.login-brand h1{font-size:26px;color:#fff;margin:0 0 4px;font-weight:700;letter-spacing:.3px}
.login-brand .sub{font-size:11px;color:#fbbf24;text-transform:uppercase;letter-spacing:3px;font-weight:700}
.login-box form label{font-size:11px;text-transform:uppercase;letter-spacing:.8px;color:#b0bac6;
                      margin-top:18px;display:block;font-weight:600}
.login-box form input{margin-top:6px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
                      color:#fff;padding:10px 12px;border-radius:8px;font-size:14px;width:100%}
.login-box form input:focus{outline:0;border-color:#d97706;box-shadow:0 0 0 3px rgba(217,119,6,.22);background:rgba(255,255,255,.10)}
.login-box form button{width:100%;margin-top:22px;background:linear-gradient(135deg,#d97706,#fbbf24);
                       border:0;color:#0e1622;padding:12px;border-radius:8px;font-weight:700;font-size:14px;
                       cursor:pointer;letter-spacing:.5px;transition:transform .15s,box-shadow .15s}
.login-box form button:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(251,191,36,.35)}
.login-error{color:#ff6b5b;font-size:13px;min-height:18px;margin-top:10px}


/* ===== Books, PDF reader, daily challenge, tabs, flashcards, profile + badges ===== */

/* ============ BOOK CARDS ============ */
.book-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
           overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .15s,box-shadow .15s;
           display:flex;gap:18px;padding:18px;cursor:pointer;margin:14px 0}
.book-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--accent)}
.book-cover{width:120px;flex:0 0 120px;height:170px;border-radius:8px;color:#fff;
            display:flex;align-items:flex-end;padding:14px;font-weight:700;font-size:15px;
            line-height:1.25;background:linear-gradient(135deg,var(--cover-c1,#0f5132),var(--cover-c2,#d97706));
            position:relative;overflow:hidden;box-shadow:inset 0 -40px 40px rgba(0,0,0,.3)}
.book-cover::before{content:'';position:absolute;inset:0;
  background:radial-gradient(circle at 30% 20%,rgba(255,255,255,.18),transparent 60%)}
.book-info{flex:1;display:flex;flex-direction:column}
.book-info h3{margin:0 0 4px;font-size:18px;color:var(--text)}
.book-info .author{font-size:13px;color:var(--muted);margin-bottom:10px}
.book-info .note{font-size:13px;color:var(--muted);margin-bottom:14px;line-height:1.5}
.book-progress{margin-top:auto}
.book-progress-bar{height:6px;background:var(--border-soft);border-radius:3px;overflow:hidden}
.book-progress-bar > div{height:100%;background:linear-gradient(90deg,var(--accent),var(--primary));
                         transition:width .4s ease;border-radius:3px}
.book-progress-text{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);
                    margin-top:6px;text-transform:uppercase;letter-spacing:.5px;font-weight:600}
.book-actions{display:flex;gap:8px;margin-top:10px}

/* ============ PDF READER (full-screen) ============ */
.book-reader{position:fixed;inset:0;background:#000;z-index:250;display:flex;flex-direction:column;
             animation:fadeIn .25s ease}
.book-reader.hidden{display:none}
.br-bar{display:flex;align-items:center;gap:14px;padding:12px 18px;background:rgba(0,0,0,.6);
        backdrop-filter:blur(10px);color:#fff;border-bottom:1px solid rgba(255,255,255,.08);z-index:5}
.br-title{flex:1;font-weight:600;font-size:14px;text-align:center;color:#fff}
.br-pageinfo{display:flex;align-items:center;gap:8px;font-size:13px;color:#cbd5e1}
.br-pageinfo .br-sep{color:#5a6a7d}
.br-btn{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.10);color:#fff;
        padding:6px 12px;border-radius:6px;cursor:pointer;font-size:13px;font-weight:600;
        transition:background .15s;font-family:inherit;box-shadow:none}
.br-btn:hover{background:rgba(217,119,6,.30);border-color:#d97706;transform:none;box-shadow:none}
.br-btn.br-bm{background:transparent}
.br-canvas-wrap{flex:1;overflow:auto;display:flex;align-items:flex-start;justify-content:center;
                padding:30px 20px;background:#1a1a1a}
.br-canvas-wrap canvas{box-shadow:0 20px 60px rgba(0,0,0,.5);background:#fff;border-radius:4px}
.br-nav{position:fixed;bottom:60px;left:0;right:0;display:flex;justify-content:space-between;
        padding:0 20px;pointer-events:none;z-index:6}
.br-arrow{pointer-events:auto;background:rgba(0,0,0,.55);border:1px solid rgba(255,255,255,.10);
          color:#fff;width:56px;height:56px;border-radius:50%;font-size:30px;line-height:1;cursor:pointer;
          font-weight:300;transition:all .15s;box-shadow:0 8px 20px rgba(0,0,0,.40)}
.br-arrow:hover{background:rgba(217,119,6,.85);border-color:#fbbf24;transform:none}
.br-progress{position:fixed;bottom:0;left:0;right:0;height:3px;background:rgba(255,255,255,.05);z-index:7}
.br-progress > div{height:100%;background:linear-gradient(90deg,#d97706,#fbbf24);transition:width .3s}
.br-status{position:fixed;bottom:12px;left:20px;color:#9aa4b2;font-size:11px;letter-spacing:.5px;z-index:7}

@media(max-width:768px){
  .br-canvas-wrap{padding:8px 4px}
  .br-arrow{width:44px;height:44px;font-size:22px}
  .br-nav{bottom:30px}
  .book-cover{width:96px;flex:0 0 96px;height:140px}
}

/* ===== Daily Challenge (P05) ===== */
.ch-header{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.ch-badge{font-size:28px;line-height:1}
.ch-title{font-weight:700;font-size:16px;color:var(--text)}
.ch-meta{font-size:12px;color:var(--muted);margin-top:3px}
.ch-body{margin-bottom:16px}
.ch-image{margin-bottom:14px;border-radius:8px;overflow:hidden}
.ch-image svg{display:block;width:100%;height:auto}
.ch-q{font-size:15px;font-weight:600;color:var(--text);margin-bottom:14px;line-height:1.5}
.ch-options{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.ch-option{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:8px;
           border:1.5px solid var(--border);background:var(--surface-2,var(--surface));
           color:var(--text);font-size:14px;cursor:pointer;text-align:left;
           transition:border-color .15s,background .15s;font-family:inherit}
.ch-option:hover:not(:disabled){border-color:var(--accent);background:rgba(217,119,6,.08)}
.ch-option:disabled{opacity:.6;cursor:default}
.ch-option.ch-selected{border-color:var(--accent);background:rgba(217,119,6,.14)}
.ch-opt-id{font-weight:800;font-size:13px;color:var(--accent);min-width:16px}
/* Result view */
.ch-banner{padding:10px 14px;border-radius:8px;font-weight:700;font-size:14px;margin-bottom:14px}
.ch-banner-ok{background:rgba(52,211,153,.15);color:#34d399;border:1px solid rgba(52,211,153,.3)}
.ch-banner-bad{background:rgba(248,113,113,.12);color:#f87171;border:1px solid rgba(248,113,113,.25)}
.ch-res-opts{display:flex;flex-direction:column;gap:8px;margin-bottom:14px}
.ch-res-opt{padding:10px 14px;border-radius:8px;border:1.5px solid var(--border);
            background:var(--surface);font-size:13px}
.ch-res-opt.ch-res-correct{border-color:#34d399;background:rgba(52,211,153,.08)}
.ch-res-opt.ch-res-wrong{border-color:#f87171;background:rgba(248,113,113,.08)}
.ch-res-row{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.ch-tag{font-size:13px;font-weight:800;margin-left:auto}
.ch-tag-ok{color:#34d399}
.ch-tag-bad{color:#f87171}
.ch-why{font-size:12px;color:var(--muted);line-height:1.5}
.ch-read-more{margin-top:4px;background:none;border:none;color:var(--accent);
              cursor:pointer;font-size:13px;font-family:inherit;padding:0;text-decoration:underline;
              text-underline-offset:3px}
.ch-read-more:hover{color:var(--accent-2)}
/* Weekly dots */
.ch-week{display:flex;flex-direction:column;gap:8px;padding-top:14px;border-top:1px solid var(--border)}
.ch-week-lbl{font-size:12px;color:var(--muted)}
.week-dots{display:flex;gap:8px;flex-wrap:wrap}
.ch-dot{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;
        position:relative;cursor:default}
.ch-dot-lbl{font-size:10px;font-weight:700;color:rgba(255,255,255,.7)}
.ch-dot-correct{background:rgba(52,211,153,.25);border:1.5px solid #34d399}
.ch-dot-wrong{background:rgba(248,113,113,.20);border:1.5px solid #f87171}
.ch-dot-missed{background:rgba(255,255,255,.04);border:1.5px solid var(--border);opacity:.5}
.ch-dot-today{background:rgba(217,119,6,.18);border:1.5px solid var(--accent);animation:pulse 2s infinite}
.ch-dot-future{background:transparent;border:1.5px solid var(--border);opacity:.3}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(217,119,6,.4)}50%{box-shadow:0 0 0 4px rgba(217,119,6,0)}}
@media(max-width:480px){
  .ch-options{grid-template-columns:1fr}
  .ch-dot{width:28px;height:28px}
}

/* ============ TABS ============ */
.tabs{display:flex;gap:4px;margin-bottom:16px;border-bottom:1px solid var(--border)}
.tab{background:transparent;border:0;border-bottom:2px solid transparent;padding:10px 16px;
     color:var(--muted);cursor:pointer;font-size:14px;font-weight:500;font-family:inherit;
     transition:color .15s,border-color .15s;margin-bottom:-1px}
.tab.active{color:var(--text);border-bottom-color:var(--accent)}
.tab:hover:not(.active){color:var(--text)}
.tab-content.hidden{display:none}

/* ============ FLASHCARDS ============ */
.fc-progress{text-align:center;font-size:13px;color:var(--muted);margin-bottom:12px}
.flashcard{max-width:480px;margin:0 auto;min-height:320px}
.fc-side{padding:32px;background:var(--surface);border:1px solid var(--border);
         border-radius:var(--radius-lg, 12px);box-shadow:0 4px 16px rgba(0,0,0,.08)}
.fc-term-en{font-size:26px;font-weight:700;text-align:center;margin-bottom:6px;color:var(--text)}
.fc-term-sk{font-size:15px;color:var(--muted);text-align:center;margin-bottom:4px}
.fc-definition{font-size:17px;line-height:1.65;margin-bottom:8px;color:var(--text)}
.fc-term-ref{font-size:13px;color:var(--muted);margin-bottom:24px;font-style:italic}
.fc-flip-btn{width:100%;padding:12px;font-size:15px}
.fc-rating{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:16px}
.fc-rate-btn{padding:11px 8px;border-radius:8px;border:1.5px solid var(--border);background:var(--surface);
             font-size:14px;font-weight:600;cursor:pointer;transition:transform .1s,background .15s,border-color .15s;
             font-family:inherit;color:var(--text)}
.fc-rate-btn:active{transform:scale(.96)}
.rate-again{border-color:rgba(248,113,113,.5)}
.rate-again:hover{background:rgba(248,113,113,.12);border-color:#f87171}
.rate-hard{border-color:rgba(251,191,36,.5)}
.rate-hard:hover{background:rgba(251,191,36,.12);border-color:#fbbf24}
.rate-good{border-color:rgba(52,211,153,.5)}
.rate-good:hover{background:rgba(52,211,153,.12);border-color:#34d399}
.rate-easy{border-color:rgba(96,165,250,.5)}
.rate-easy:hover{background:rgba(96,165,250,.12);border-color:#60a5fa}
.fc-done{text-align:center;padding:48px 24px;max-width:400px;margin:0 auto}
.fc-done-icon{font-size:48px;margin-bottom:12px}
.fc-done h3{font-size:22px;margin-bottom:8px}
.fc-done p{color:var(--muted);margin-bottom:24px}
@media(max-width:480px){
  .flashcard{max-width:100%}
  .fc-rating{grid-template-columns:1fr}
  .fc-side{padding:20px}
  .fc-term-en{font-size:22px}
}

/* P10 profile + badges */
.profile-summary{display:flex;gap:20px;align-items:center;flex-wrap:wrap}
.avatar-large{width:80px;height:80px;border-radius:50%;display:flex;align-items:center;
              justify-content:center;font-size:32px;font-weight:700;color:#fff;flex:0 0 80px;
              background:linear-gradient(135deg,var(--accent),var(--primary))}
.profile-meta{flex:1;min-width:200px}
.profile-meta h2{margin:0 0 4px;border:none;padding:0;font-size:20px}
.profile-xp-bar{height:10px;background:var(--border-soft);border-radius:5px;overflow:hidden;margin:10px 0 6px}
.badges-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:14px;margin-bottom:24px}
.badge-card{text-align:center;padding:18px 12px;border-radius:var(--radius);
            border:1px solid var(--border);background:var(--surface);transition:transform .2s}
.badge-card:hover{transform:scale(1.03)}
.badge-card.locked{opacity:.35;filter:grayscale(1)}
.badge-card .emoji{font-size:36px;margin-bottom:6px;line-height:1}
.badge-card .name{font-weight:600;font-size:13px}
.badge-card .desc{font-size:11px;color:var(--muted);margin-top:4px;line-height:1.4}
.badge-counter{font-size:13px;color:var(--muted);font-weight:500;margin-left:8px}
.xp-event{display:flex;gap:10px;align-items:center;padding:8px 0;border-bottom:1px solid var(--border-soft);font-size:13px}
.xp-event-type{flex:1;color:var(--muted);text-transform:uppercase;font-size:10px;letter-spacing:.5px;font-weight:600}
.xp-event-amount{font-weight:700;color:var(--green)}
.xp-event-time{color:var(--muted)}
@media(max-width:480px){
  .profile-summary{flex-direction:column;text-align:center}
  .badges-grid{grid-template-columns:repeat(2,1fr)}
}

/* ============ SETTINGS SECTION CSS (P14) + font-size + animations ============ */
/* ============================================================
   P14 — SETTINGS SECTION CSS
   ============================================================ */

.theme-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(92px, 1fr)); gap: 12px; margin-top: 8px; }
.theme-card {
  width: 100%; height: 100px; border-radius: var(--radius);
  border: 2px solid var(--border); cursor: pointer;
  overflow: hidden; position: relative; display: flex; flex-direction: column;
  transition: transform .15s, border-color .15s;
}
.theme-card:hover { transform: translateY(-2px); border-color: var(--accent); }
.theme-card.active { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent); }
.theme-card .tc-sidebar { height: 14px; flex-shrink: 0; }
.theme-card .tc-body {
  flex: 1; display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 20px;
}
.theme-card .tc-accent { height: 4px; flex-shrink: 0; }
.theme-card .tc-name {
  position: absolute; bottom: 5px; left: 0; right: 0;
  text-align: center; font-size: 10px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.5px;
  color: #fff; text-shadow: 0 1px 3px rgba(0,0,0,.7), 0 0 6px rgba(0,0,0,.4);
}

.radio-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.opt-btn {
  background: var(--surface); color: var(--text); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 6px 14px; font-size: 13px;
  cursor: pointer; transition: background .15s, color .15s, border-color .15s;
}
.opt-btn:hover { border-color: var(--accent); }
.opt-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }

/* Font size — zoom scales all px-based text proportionally (sidebar + main) */
body[data-font-size="small"] .app { zoom: 0.87; }
body[data-font-size="large"]  .app { zoom: 1.13; }

[data-animations="off"] *, [data-animations="off"] *::before, [data-animations="off"] *::after {
  animation-duration: 0s !important;
  transition-duration: 0s !important;
}


/* ===== Lesson quizzes (P11) + TLDR + Action boxes (P12) + Friction modals (P13) ===== */

/* ================== LESSON QUIZZES (P11) ================== */
.lesson-quiz {
  background: var(--surface-2);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin: 30px 0;
}
.lesson-quiz h3 { margin-top: 0; color: var(--text); }
.mastery-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 700;
  margin-top: 10px;
}
.mastery-mastered { background: var(--green-soft); color: var(--green); }
.mastery-familiar { background: var(--yellow-soft); color: #a07a06; }
.quiz-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.55);
  display: flex; align-items: center; justify-content: center;
  z-index: 200; padding: 20px;
}
.quiz-modal {
  background: var(--surface); border-radius: var(--radius-lg);
  padding: 28px 24px; max-width: 560px; width: 100%;
  max-height: 90vh; overflow-y: auto;
  box-shadow: var(--shadow-lg);
}
.quiz-progress { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 1px; }
.quiz-question { font-size: 18px; font-weight: 600; margin: 14px 0 20px; line-height: 1.4; }
.quiz-options { display: flex; flex-direction: column; gap: 8px; }
.quiz-options button {
  text-align: left; background: var(--surface); color: var(--text);
  border: 1px solid var(--border); padding: 12px 16px; border-radius: var(--radius);
}
.quiz-options button:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.quiz-close { margin-top: 16px; }
.quiz-score { font-size: 48px; font-weight: 800; text-align: center; color: var(--accent); margin: 16px 0; }
.quiz-result h2 { text-align: center; }
.quiz-review { padding: 12px; border-radius: var(--radius-sm); margin: 8px 0; }
.quiz-review .small { margin-top: 4px; color: var(--muted); }
.quiz-review.correct { background: var(--green-soft); }
.quiz-review.wrong { background: var(--red-soft); }

/* TLDR + ACTION BOXES (P12) */
.tldr-box {
  background: linear-gradient(135deg, var(--surface-2), var(--surface));
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin: 24px 0;
}
.tldr-box h4 { margin: 0 0 10px; color: var(--text); }
.tldr-list { margin: 0 0 14px; padding-left: 20px; }
.tldr-list li { font-size: 15px; font-weight: 500; margin-bottom: 8px; }

.action-box {
  background: var(--green-soft);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin: 24px 0;
}
[data-theme="dark"] .action-box { background: rgba(74,222,128,0.08); }
.action-box h4 { margin: 0 0 10px; color: var(--green); }
.action-box ul { margin: 0 0 14px; }
.action-box.done { opacity: 0.6; }
.action-box.done h4::after { content: ' ✓'; }

.cheatsheet-card { margin-bottom: 16px; }
.cheatsheet-card h3 { margin-top: 0; }

@media print {
  body * { visibility: hidden; }
  #cheatsheets, #cheatsheets * { visibility: visible; }
  #cheatsheets { position: absolute; top: 0; left: 0; width: 100%; }
  .toolbar, button { display: none !important; }
}

/* FRICTION MODALS (P13) */
.friction-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.75);
  display: flex; align-items: center; justify-content: center;
  z-index: 250; padding: 20px;
  animation: fadeIn .2s;
}
.friction-modal {
  background: var(--surface); border-radius: var(--radius-lg);
  padding: 32px 28px; max-width: 500px; width: 100%;
  box-shadow: var(--shadow-lg);
  border-top: 6px solid var(--yellow);
}
.friction-overlay.friction-red .friction-modal { border-top-color: var(--red); }
.friction-modal h2 { margin: 0 0 14px; }
.friction-modal p { margin: 0 0 12px; }
.friction-modal label { display: block; margin-bottom: 6px; font-weight: 600; }
.friction-modal textarea { width: 100%; box-sizing: border-box; margin-top: 4px; min-height: 80px; }
.friction-timer {
  text-align: center; font-size: 14px; color: var(--muted);
  margin: 18px 0; font-weight: 600;
}
.friction-timer span { color: var(--accent); font-weight: 700; font-size: 18px; }
.friction-modal button { width: 100%; margin-top: 10px; }
.friction-modal .small { font-size: 13px; color: var(--muted); }