/* SHULE 2.0 learner experience */
#shule2App{min-height:100vh;background:#f6f8f6;color:#18312b;font-family:'Lexend','Segoe UI',system-ui,sans-serif}
#shule2App *{box-sizing:border-box}
.s2-shell{max-width:1100px;margin:0 auto;padding:20px 18px 34px}
.s2-top{display:flex;align-items:center;gap:14px;margin-bottom:22px;min-height:54px}
.s2-brand{display:flex;align-items:center;gap:10px;margin-right:auto}.s2-mark{width:42px;height:42px;border-radius:13px;background:#0b6b57;color:#fff;display:grid;place-items:center;font-family:'Fraunces',serif;font-weight:700;font-size:1.35rem}.s2-brand strong{font-family:'Fraunces',serif;font-size:1.35rem}.s2-brand small{display:block;color:#667872;font-size:.7rem;letter-spacing:.04em;text-transform:uppercase}
.s2-avatar{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:#e4f2ed;border:1px solid #c9dfd7;font-weight:800;color:#0b6b57}
.s2-card{background:#fff;border:1px solid #dfe7e3;border-radius:20px;padding:20px;box-shadow:0 8px 30px -22px rgba(22,49,43,.4)}
.s2-card h1,.s2-card h2,.s2-card h3{font-family:'Fraunces',Georgia,serif;color:#18312b;margin:0 0 8px}
.s2-muted{color:#6a7a75}.s2-small{font-size:.82rem}.s2-kicker{font-size:.74rem;text-transform:uppercase;letter-spacing:.08em;font-weight:800;color:#0b6b57}
.s2-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:14px}.s2-span-8{grid-column:span 8}.s2-span-4{grid-column:span 4}.s2-span-6{grid-column:span 6}.s2-span-12{grid-column:span 12}
.s2-hero{padding:26px;background:linear-gradient(135deg,#0d725e,#124d43);color:#fff;border:0}.s2-hero h1,.s2-hero h2{color:#fff}.s2-hero .s2-muted{color:#dcebe7}
.s2-stats{display:flex;gap:16px;flex-wrap:wrap;margin-top:14px}.s2-stat{min-width:100px}.s2-stat strong{font-size:1.35rem;display:block}.s2-stat span{font-size:.75rem;opacity:.82}
.s2-btn{appearance:none;border:1px solid transparent;border-radius:999px;padding:10px 17px;font:inherit;font-size:.86rem;font-weight:800;cursor:pointer}.s2-btn-primary{background:#0b6b57;color:#fff}.s2-btn-secondary{background:#fff;color:#18312b;border-color:#cfdbd6}.s2-btn-soft{background:#eaf5f1;color:#0b6b57}.s2-btn-danger{background:#fff1ef;color:#9b3027;border-color:#f0c9c4}.s2-btn:disabled{opacity:.5;cursor:not-allowed}
.s2-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:14px}
.s2-progress-track{height:9px;background:#e8efec;border-radius:999px;overflow:hidden}.s2-progress-fill{height:100%;background:#0b6b57;border-radius:999px}
.s2-list{display:grid;gap:10px}.s2-list-item{display:flex;align-items:center;gap:12px;padding:12px;border:1px solid #e1e8e5;border-radius:14px;background:#fbfcfb}.s2-list-item .grow{flex:1}.s2-pill{display:inline-flex;align-items:center;border-radius:999px;padding:5px 9px;font-size:.72rem;font-weight:800;background:#edf5f2;color:#0b6b57}.s2-pill-gold{background:#fff5d9;color:#806000}.s2-pill-blue{background:#edf4ff;color:#245ea8}
.s2-nav{display:flex;align-items:center;gap:8px;margin-left:auto;margin-right:0}
.s2-nav button{border:0;background:transparent;border-radius:13px;padding:12px 16px;font:inherit;font-size:1.08rem;font-weight:800;color:#586963;cursor:pointer;white-space:nowrap}.s2-nav button.active{background:#e8f3ef;color:#0b6b57}.s2-nav .ico{display:inline-block;font-size:1.16rem;margin-right:7px;vertical-align:-1px}
.s2-form{display:grid;gap:12px}.s2-field{display:grid;gap:5px}.s2-field label{font-size:.78rem;font-weight:800;color:#4f615b}.s2-field input,.s2-field select,.s2-field textarea{width:100%;border:1px solid #cfdad6;background:#fff;border-radius:12px;padding:11px 12px;font:inherit;color:#18312b}.s2-field textarea{min-height:90px;resize:vertical}
.s2-segment{display:flex;gap:6px;padding:4px;background:#edf2f0;border-radius:999px}.s2-segment button{flex:1;border:0;border-radius:999px;padding:8px;font:inherit;font-size:.78rem;font-weight:700;background:transparent;color:#67756f}.s2-segment button.active{background:#fff;color:#0b6b57;box-shadow:0 2px 8px rgba(0,0,0,.06)}
.s2-question{font-family:'Fraunces',Georgia,serif;font-size:1.35rem;line-height:1.4;margin:14px 0}.s2-options{display:grid;gap:9px}.s2-option{width:100%;text-align:left;border:1px solid #cfdbd6;border-radius:14px;background:#fff;padding:13px 14px;font:inherit;cursor:pointer}.s2-option.selected{border-color:#0b6b57;background:#eaf5f1}.s2-qmeta{display:flex;justify-content:space-between;gap:12px;font-size:.78rem;color:#6b7974}
.s2-result-score{font-size:3rem;font-family:'Fraunces',serif;font-weight:700;color:#0b6b57}.s2-review-good{border-left:4px solid #2b8a57}.s2-review-bad{border-left:4px solid #b54437}
.s2-ach-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px}.s2-ach{padding:14px;border:1px solid #dfe7e3;border-radius:15px;background:#fff}.s2-ach.locked{opacity:.5}.s2-ach .icon{font-size:1.5rem}
.s2-rating-row{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center}.s2-rating{font-size:1.35rem;font-weight:800}.s2-delta.pos{color:#197b4b}.s2-delta.neg{color:#a83f34}
.s2-empty{padding:22px;text-align:center;border:1px dashed #cad7d2;border-radius:16px;color:#6b7974;background:#fafcfb}
.s2-toast{position:fixed;top:18px;left:50%;transform:translateX(-50%);z-index:10001;background:#173e35;color:#fff;border-radius:999px;padding:10px 16px;font-size:.82rem;box-shadow:0 8px 30px rgba(0,0,0,.2)}
.s2-onboard{max-width:720px;margin:4vh auto}.s2-onboard h1{font-size:2.5rem}.s2-step{display:none}.s2-step.active{display:block}.s2-avatar-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:8px}.s2-avatar-choice{border:1px solid #d5dfdb;background:#fff;border-radius:16px;padding:10px;font-size:1.35rem;cursor:pointer}.s2-avatar-choice.active{border-color:#0b6b57;background:#eaf5f1}
.s2-notice{padding:12px 14px;border-radius:13px;background:#fff8df;border:1px solid #eadba6;color:#6d5710;font-size:.82rem}
.s2-profile-section{margin-top:18px;padding-top:18px;border-top:1px solid #e5ece8}
.s2-profile-summary{display:flex;flex-direction:column;gap:20px;align-self:start}
.s2-profile-identity{text-align:center}
.s2-profile-side-account{margin-top:4px;padding-top:18px;border-top:1px solid #e5ece8;text-align:left}
.s2-profile-side-account .s2-account-row{margin-top:9px}
.s2-side-actions{display:grid;gap:8px;margin-top:13px}
.s2-side-actions .s2-btn{width:100%}
.s2-learning-opening{margin-top:10px}
.s2-preference-list{display:grid;gap:0;margin-top:8px;border:1px solid #e1e8e5;border-radius:15px;overflow:hidden;background:#fbfcfb}
.s2-preference-row{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 15px;cursor:pointer}
.s2-preference-row+.s2-preference-row{border-top:1px solid #e5ece8}
.s2-preference-row>span:first-child{display:grid;gap:3px}
.s2-preference-row strong{font-size:.9rem;color:#18312b}
.s2-preference-row small{font-size:.76rem;color:#6a7a75}
.s2-switch{position:relative;width:44px;height:26px;flex:0 0 44px}
.s2-switch input{position:absolute;opacity:0;pointer-events:none}
.s2-switch>span{position:absolute;inset:0;border-radius:999px;background:#cfdad6;transition:.18s ease}
.s2-switch>span:after{content:'';position:absolute;width:20px;height:20px;left:3px;top:3px;border-radius:50%;background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.18);transition:.18s ease}
.s2-switch input:checked+span{background:#0b6b57}
.s2-switch input:checked+span:after{transform:translateX(18px)}
.s2-switch input:focus-visible+span{outline:3px solid rgba(11,107,87,.22);outline-offset:2px}
.s2-account-section{display:grid;gap:10px}
.s2-account-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:13px 14px;border:1px solid #e1e8e5;border-radius:14px;background:#fbfcfb}
.s2-login-code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:1rem;font-weight:800;letter-spacing:.05em;margin-top:4px;color:#0b6b57}
.s2-error{padding:12px 14px;border-radius:13px;background:#fff0ee;border:1px solid #efcbc7;color:#8e3128;font-size:.82rem}
.s2-legacy-back{position:fixed;right:16px;bottom:16px;z-index:10000;border:0;border-radius:999px;background:#0b6b57;color:#fff;padding:12px 17px;font:inherit;font-weight:800;box-shadow:0 8px 28px rgba(0,0,0,.25);cursor:pointer}
@media(max-width:760px){.s2-profile-summary{gap:14px}.s2-profile-side-account{margin-top:0}.s2-shell{padding:12px 12px 88px}.s2-grid{display:block}.s2-grid>.s2-card{margin-bottom:12px}.s2-top{padding:2px}.s2-brand small{display:none}.s2-card{padding:17px;border-radius:17px}.s2-hero{padding:20px}.s2-nav{position:fixed;left:50%;transform:translateX(-50%);bottom:8px;width:min(700px,calc(100% - 24px));display:grid;grid-template-columns:repeat(5,1fr);gap:5px;margin:0;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);border:1px solid #dbe5e1;border-radius:20px;padding:8px;box-shadow:0 16px 50px -24px rgba(0,0,0,.45);z-index:9999}.s2-nav.has-exam{grid-template-columns:repeat(6,1fr)}.s2-nav button{padding:10px 6px;font-size:.78rem}.s2-nav .ico{display:block;font-size:1.05rem;margin:0 0 3px}.s2-home-hero{padding:16px}.s2-home-hero h1{font-size:1.7rem}.s2-avatar-grid{grid-template-columns:repeat(4,1fr)}.s2-onboard h1{font-size:2rem}}

.s2-learning-shell{max-width:1180px}
.s2-learning-host{min-width:0}
.s2-learning-mode #app{display:block!important;width:100%;max-width:none;margin:0;padding:0 0 18px}
.s2-learning-mode #app #topbar{display:none!important}
.s2-learning-mode #app #main{width:100%;max-width:none;margin:0;padding:0}
.s2-learning-mode #app .student-shell{width:100%;max-width:none;margin:0}
.s2-learning-mode #app .student-main-panel{width:100%;max-width:none}

.s2-home-hero{padding:18px 22px}
.s2-home-hero h1{font-size:2rem;margin-bottom:4px}
.s2-home-hero .s2-stats{margin-top:10px;gap:12px}
.s2-home-hero .s2-stat strong{font-size:1.15rem}
.s2-home-hero .s2-stat span{font-size:.72rem}
.s2-home-hero .s2-progress-track{height:7px}

.s2-exam-table { border-collapse: collapse; width: 100%; margin: 12px 0; }
.s2-exam-table th, .s2-exam-table td { border: 1px solid #d6e3df; padding: 9px; text-align: left; }
.s2-exam-table caption { text-align: left; font-weight: 600; margin-bottom: 6px; }