:root{--color-darkblue: #0b1727;--color-panel: #152b47;--color-yellow: #fff000;--color-blue: #43A9DD;--color-text: #FFFFFF;--color-text-muted: #A0A0B0;--font-main: "Inter", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;--shadow-neon-blue: 0 0 10px var(--color-blue), 0 0 20px var(--color-blue);--shadow-neon-yellow: 0 0 10px var(--color-yellow), 0 0 20px var(--color-yellow);--color-correct: #10b981;--color-warning: #f59e0b;--color-incorrect: #ef4444;--conn-level-1: #9a8427;--conn-level-2: #4e6a2f;--conn-level-3: #2d4a8a;--conn-level-4: #6a3e7a}*{box-sizing:border-box;margin:0;padding:0;user-select:none;-webkit-user-select:none}html,body{max-width:100%;overflow-x:hidden}body{background:radial-gradient(circle at top,#0f2038 0%,var(--color-darkblue) 100%);color:var(--color-text);font-family:var(--font-main);min-height:100vh;min-height:100dvh}.app-container{width:100%;max-width:1200px;margin:0 auto;padding:0 12px 40px;display:flex;flex-direction:column;min-height:100vh;min-height:100dvh}@media (min-width: 768px){.app-container{padding:20px 20px 40px}}header{padding:14px 12px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(0,240,255,.08);background:#050b1499;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);position:sticky;top:0;z-index:100;gap:10px}@media (min-width: 768px){header{padding:24px 30px}}.header-hud-wrapper{display:none;align-items:center;background:#0a192f73;border:1px solid rgba(0,240,255,.08);border-radius:24px;padding:6px 16px;gap:16px;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 4px 24px #00000040,inset 0 1px 1px #ffffff0d,0 0 15px #00f0ff08;transition:all .3s cubic-bezier(.4,0,.2,1)}.header-hud-wrapper:hover{background:#0c1d368c;border-color:#00f0ff2e;box-shadow:0 6px 30px #00000059,inset 0 1px 1px #ffffff1a,0 0 20px #00f0ff14;transform:translateY(-1px)}.header-activity-panel{display:flex;align-items:center;gap:16px}.header-activity-panel:has(>div:not([style*="display: none"]):not([style*="display:none"])){border-right:1px solid rgba(255,255,255,.12);padding-right:16px;width:380px;flex-shrink:0}.header-hud-wrapper .hud-score{display:flex!important;align-items:center;gap:12px;font-size:.85rem;font-weight:500;color:var(--color-text);background:transparent;padding:0;border:none;border-radius:0;text-shadow:none;white-space:nowrap;flex-shrink:0;box-shadow:none}.header-hud-wrapper .hud-score span{color:#ffffffd9}.header-hud-wrapper .hud-score #hudUsernameBtn{color:var(--color-yellow);font-weight:600;transition:color .2s}.header-hud-wrapper .hud-score #hudUsernameBtn:hover{color:#fff;text-shadow:0 0 8px rgba(255,240,0,.6)}.header-hud-wrapper .hud-score #hudRankBadge{background:linear-gradient(135deg,var(--color-blue),#00b0ff);color:#050b14;padding:3px 8px;border-radius:8px;font-weight:700;font-size:.75rem;box-shadow:0 0 8px #00f0ff33;text-transform:uppercase;letter-spacing:.5px}.header-hud-wrapper .activity-feed-ticker{background:transparent!important;border:none!important;padding:0!important;border-radius:0!important;box-shadow:none!important;margin:0!important;backdrop-filter:none!important;-webkit-backdrop-filter:none!important;display:flex;align-items:center;gap:8px;font-size:.8rem;color:var(--color-text);transition:opacity .25s ease;width:100%;overflow:hidden}@media (max-width: 820px){.header-activity-panel{display:none!important}}@media (max-width: 480px){.header-hud-wrapper{padding:4px 12px;gap:8px}.header-hud-wrapper .hud-score{font-size:.75rem;gap:6px}.header-hud-wrapper .hud-score span:nth-child(2),.header-hud-wrapper .hud-score span:nth-child(3),.header-hud-wrapper .hud-score span:nth-child(4){display:none!important}}.hud-score{font-size:.85rem;font-weight:600;color:var(--color-yellow);text-shadow:0 0 8px rgba(255,240,0,.4);background:#fff0001a;padding:6px 12px;border-radius:20px;border:1px solid rgba(255,240,0,.2);transition:all .3s ease;white-space:nowrap;flex-shrink:0}@media (min-width: 480px){.hud-score{font-size:1rem;padding:6px 14px}}nav.portal-tabs{display:flex;gap:6px;padding:10px 12px;background:#050b1466;border-bottom:1px solid rgba(0,240,255,.05);overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;position:sticky;top:68px;z-index:99}nav.portal-tabs::-webkit-scrollbar{display:none}@media (min-width: 768px){nav.portal-tabs{gap:8px;padding:12px 30px;flex-wrap:wrap;overflow-x:visible;position:static}}.tab-link{background:transparent;border:none;color:var(--color-text-muted);font-weight:500;cursor:pointer;padding:8px 14px;font-size:.85rem;border-radius:12px;transition:all .2s ease;white-space:nowrap;flex-shrink:0}@media (min-width: 768px){.tab-link{padding:8px 16px;font-size:.9rem}}.tab-link:hover{color:var(--color-text);background:#ffffff08}.tab-link.active{color:var(--color-blue);font-weight:600;background:#00f0ff1a;border:1px solid rgba(0,240,255,.15)}.status-badge{padding:4px 8px;border-radius:6px;font-size:.8rem;font-weight:600}.status-badge.status-completed{background:#10b9811a;color:var(--color-correct);border:1px solid rgba(16,185,129,.2);text-shadow:0 0 5px rgba(16,185,129,.4)}.status-badge.status-in-progress{background:#00f0ff1a;color:var(--color-blue);border:1px solid rgba(0,240,255,.2);text-shadow:0 0 5px rgba(0,240,255,.4)}.status-badge.status-overdue{background:#ef44441a;color:var(--color-incorrect);border:1px solid rgba(239,68,68,.2);text-shadow:0 0 5px rgba(239,68,68,.4)}.view-content-wrapper{flex:1;width:100%}.view{display:none;padding:16px 0;flex-direction:column;width:100%}@media (min-width: 768px){.view{padding:30px 0}}.view.active{display:flex;animation:fadeInScale .35s cubic-bezier(.4,0,.2,1) forwards}@keyframes fadeInScale{0%{opacity:0;transform:scale(.98)}to{opacity:1;transform:scale(1)}}.neon-card{width:100%;background:var(--color-panel);padding:16px;border-radius:16px;border:1px solid rgba(0,240,255,.12);box-shadow:0 10px 30px #00000040;transition:all .3s ease}@media (min-width: 768px){.neon-card{padding:30px;border-radius:20px}}.phrase-box{font-size:1.4rem;font-weight:600;text-align:center;margin-bottom:20px;line-height:1.4;color:var(--color-text-muted);word-wrap:break-word}@media (min-width: 480px){.phrase-box{font-size:1.8rem;margin-bottom:30px}}.phrase-word{display:inline-block;margin:0 4px;transition:all .2s ease;cursor:pointer;position:relative;border-radius:4px;padding:0 2px}.phrase-word:hover{color:var(--color-yellow);background:#ffffff0d;text-shadow:0 0 8px rgba(234,179,8,.4);transform:scale(1.12)}.phrase-word.spoken-active{color:var(--color-yellow);text-shadow:var(--shadow-neon-yellow);transform:scale(1.08);font-weight:700}.eval-word{display:inline-block;margin:0 4px;font-weight:700}.eval-word.correct{color:var(--color-correct)}.eval-word.warning{color:var(--color-warning);text-shadow:0 0 5px rgba(245,158,11,.4)}.eval-word.incorrect{color:var(--color-incorrect)}.btn-neon{background:transparent;color:var(--color-blue);border:1px solid rgba(0,240,255,.4);padding:10px 20px;font-size:.9rem;border-radius:12px;cursor:pointer;text-transform:uppercase;font-weight:600;transition:background .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease,opacity .2s ease;box-shadow:0 0 10px #00f0ff1a;outline:none;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn-neon svg{flex-shrink:0!important;width:18px!important;height:18px!important;min-width:18px!important;min-height:18px!important;display:inline-block}@media (min-width: 480px){.btn-neon{padding:12px 24px;font-size:.95rem}}.btn-neon:hover{background:#00f0ff1f;border-color:var(--color-blue);box-shadow:var(--shadow-neon-blue)}.btn-neon.yellow{color:var(--color-yellow);border-color:#fff00066;box-shadow:0 0 10px #fff0001a}.btn-neon.yellow:hover{background:#fff0001f;border-color:var(--color-yellow);box-shadow:var(--shadow-neon-yellow)}.btn-neon.recording{color:var(--color-incorrect)!important;border-color:var(--color-incorrect)!important;animation:pulseRecord 1.5s infinite;background:#ef444414}@keyframes pulseRecord{0%{box-shadow:0 0 #ef444480}70%{box-shadow:0 0 0 12px #ef444400}to{box-shadow:0 0 #ef444400}}.error-card{background:#050b1480;border-left:4px solid var(--color-warning);padding:16px;margin-top:12px;border-radius:8px;border:1px solid rgba(255,255,255,.02);border-left-width:4px;box-shadow:inset 0 2px 4px #0003}.error-card.critical{border-left-color:var(--color-incorrect)}.progress-container{width:100%;height:10px;background:#050b1499;border-radius:5px;overflow:hidden;margin:16px 0;border:1px solid rgba(255,255,255,.03)}.progress-bar{height:100%;background:linear-gradient(90deg,var(--color-blue) 0%,#00f0ff 100%);width:0%;transition:width .6s cubic-bezier(.4,0,.2,1);box-shadow:0 0 10px var(--color-blue)}.achievement-row{display:flex;align-items:center;gap:16px;background:#050b1466;padding:14px;border-radius:12px;margin-bottom:12px;border:1px solid rgba(255,255,255,.03)}.badge-icon{font-size:1.6rem;filter:drop-shadow(0 0 6px rgba(255,240,0,.4));flex-shrink:0}.table-responsive-wrapper{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:8px}.leaderboard-table{width:100%;border-collapse:separate;border-spacing:0 8px;margin-top:10px;min-width:500px}.leaderboard-table th{padding:12px 10px;text-align:left;color:var(--color-text-muted);font-size:.8rem;font-weight:500;text-transform:uppercase;letter-spacing:.5px}.leaderboard-table td{padding:12px 10px;background:#050b144d;border-top:1px solid rgba(255,255,255,.02);border-bottom:1px solid rgba(255,255,255,.02);font-size:.9rem}.leaderboard-table td:first-child{border-left:1px solid rgba(255,255,255,.02);border-top-left-radius:8px;border-bottom-left-radius:8px}.leaderboard-table td:last-child{border-right:1px solid rgba(255,255,255,.02);border-top-right-radius:8px;border-bottom-right-radius:8px}.leaderboard-table tr.podium-1 td{background:#fff0000f;color:var(--color-yellow);font-weight:600;border-color:#fff00026!important}.leaderboard-table tr.podium-1 td code{color:var(--color-yellow)}.glass-dialog{background:#0f1b2bf2;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid rgba(0,240,255,.2);border-radius:20px;padding:24px;width:90%;max-width:400px;margin:auto;color:var(--color-text);text-align:center;box-shadow:0 20px 50px #0009;outline:none;animation:dialogScaleIn .3s cubic-bezier(.34,1.56,.64,1) forwards}@keyframes dialogScaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.glass-dialog::backdrop{background:#03070dd1;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}.glass-dialog h3{font-size:1.25rem;margin-bottom:12px;color:#fff}.glass-dialog p{font-size:.95rem;color:var(--color-text-muted);margin-bottom:24px;line-height:1.5}.glass-dialog .btn-neon{margin:0 auto;padding:8px 20px;font-size:.85rem}input{width:100%;padding:12px 16px;margin-top:6px;background:#050b1499;color:#fff;border:1px solid rgba(0,240,255,.2);border-radius:10px;outline:none;font-family:inherit;font-size:.95rem;transition:all .2s ease}input:focus{border-color:var(--color-blue);box-shadow:0 0 10px #00f0ff26}form label{font-size:.8rem;font-weight:500;color:var(--color-blue);text-transform:uppercase;letter-spacing:.5px}.leaderboard-ticker-box{background:#00f0ff14;border:1px solid rgba(0,240,255,.18);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 4px 15px #00000040;transition:all .3s ease}.flashcards-grid{display:grid;grid-template-columns:1fr;gap:16px;padding:10px 0}@media (min-width: 480px){.flashcards-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:20px}}.flashcard{width:100%;height:260px;perspective:1000px;cursor:pointer}.flashcard-inner{position:relative;width:100%;height:100%;transition:transform .6s cubic-bezier(.4,.2,.2,1);transform-style:preserve-3d}.flashcard.flipped .flashcard-inner{transform:rotateY(180deg)}.flashcard-front,.flashcard-back{position:absolute;width:100%;height:100%;backface-visibility:hidden;border-radius:16px;padding:20px;display:flex;flex-direction:column;justify-content:space-between;box-shadow:0 8px 25px #00000040;border:1px solid rgba(0,240,255,.15)}.flashcard-front{background:#152b4766;color:var(--color-text)}.flashcard-back{background:#0a192fbf;color:var(--color-text);transform:rotateY(180deg);overflow-y:auto;text-align:left}.click-to-flip{text-align:center;font-size:.75rem;color:var(--color-blue);text-transform:uppercase;letter-spacing:.5px;font-weight:600}.stuck-modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;width:100%;height:100%;background:#03070dd9;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:25000;display:flex;justify-content:center;align-items:center;padding:16px;animation:fadeInOverlay .3s ease}@keyframes fadeInOverlay{0%{opacity:0}to{opacity:1}}.game-menu-grid{display:grid;grid-template-columns:1fr;gap:16px;width:100%;margin-top:20px}@media (min-width: 480px){.game-menu-grid{grid-template-columns:repeat(2,1fr);gap:20px}}@media (min-width: 992px){.game-menu-grid{grid-template-columns:repeat(4,1fr)}}.game-card{background:var(--color-panel);border:1px solid rgba(0,240,255,.15);border-radius:16px;padding:20px;text-align:center;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #00000026}.game-card:hover{border-color:var(--color-blue);box-shadow:var(--shadow-neon-blue);transform:translateY(-4px)}.game-container-view{width:100%;display:flex;flex-direction:column;align-items:center}.connections-container{width:100%;max-width:600px;margin:20px auto 0}select#puzzle-selector{background-color:#0a192fcc;color:var(--color-text);border:1px solid rgba(0,240,255,.3);padding:10px 14px;border-radius:8px;margin-top:10px;font-size:.95rem;outline:none;cursor:pointer;width:100%;max-width:320px}.solved-area{display:flex;flex-direction:column;gap:10px;margin-bottom:15px;width:100%}.solved-row{padding:12px;border-radius:8px;text-align:center;font-weight:700;color:#fff;font-size:.9rem}.solved-title{font-size:14px;margin-bottom:4px;text-transform:uppercase}.solved-items{font-size:12px;font-weight:400}.grid-connections{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-bottom:20px;width:100%}.conn-tile{background-color:#152b4799;color:var(--color-text);border:1px solid rgba(0,240,255,.12);border-radius:8px;padding:10px 2px;font-size:10px;font-weight:700;text-transform:uppercase;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;justify-content:center;text-align:center;min-height:62px;word-break:break-word}@media (min-width: 400px){.grid-connections{gap:10px}.conn-tile{font-size:12px;padding:15px 5px;min-height:70px}}.conn-tile.selected{background-color:var(--color-blue);color:#000;border-color:var(--color-blue);box-shadow:0 0 10px #00f0ff80}.dots{color:var(--color-yellow);font-size:20px;letter-spacing:4px}.hint-glow{animation:pulseHint 1.5s ease-out}@keyframes pulseHint{0%{background-color:#152b4799}50%{background-color:var(--color-yellow);color:#000;transform:scale(1.03)}to{background-color:#152b4799}}.quiz-container{width:100%;max-width:600px;background:#152b474d;padding:16px;border-radius:16px;border:1px solid rgba(0,240,255,.15);margin:20px auto 0}@media (min-width: 480px){.quiz-container{padding:24px}}.quiz-progress-bar-container{width:100%;height:8px;background:#050b1499;border-radius:4px;margin-bottom:20px;overflow:hidden}.quiz-progress-fill{height:100%;background:var(--color-blue);width:0%;transition:width .4s ease;box-shadow:0 0 8px var(--color-blue)}.quiz-question-text{font-size:1.1rem;margin-bottom:20px;text-align:center;color:#fff;line-height:1.4}.quiz-options-grid{display:flex;flex-direction:column;gap:12px}.quiz-option-btn{background:var(--color-darkblue);color:var(--color-text);border:2px solid #334e70;padding:12px;border-radius:10px;font-size:1.05rem;cursor:pointer;transition:all .2s;text-align:left;width:100%}@media (min-width: 480px){.quiz-option-btn{padding:15px;font-size:1.2rem}}.quiz-option-btn:hover{border-color:var(--color-yellow);background:#fff0001a;transform:translateY(-2px);box-shadow:0 5px 15px #fff00033}.quiz-option-btn.correct{background:var(--color-yellow);color:var(--color-darkblue);border-color:var(--color-yellow);font-weight:700;transform:none;box-shadow:0 0 15px var(--color-yellow)}.quiz-option-btn.wrong{background:transparent;color:#fff;border-color:var(--color-incorrect);animation:shakeQuiz .4s;transform:none}@keyframes shakeQuiz{0%,to{transform:translate(0)}25%{transform:translate(-6px)}75%{transform:translate(6px)}}.sentence-builder-container{width:100%;max-width:600px;margin:20px auto 0}.drop-zone{min-height:90px;background:#050b1466;border:2px dashed rgba(0,240,255,.3);border-radius:12px;margin-bottom:20px;display:flex;align-items:center;padding:12px;gap:8px;flex-wrap:wrap;transition:all .3s}.drop-zone.active{background:#00f0ff1a;border-color:var(--color-blue)}.word-bank{display:flex;gap:8px;flex-wrap:wrap;min-height:90px;padding:12px;background:#050b1433;border-radius:12px;border:1px solid rgba(255,255,255,.03)}.draggable-word{background:var(--color-blue);color:#fff;padding:8px 14px;border-radius:8px;font-weight:700;font-size:.95rem;cursor:grab;box-shadow:0 4px 8px #0000004d;-webkit-user-select:none;user-select:none;transition:transform .1s}@media (min-width: 480px){.draggable-word{padding:10px 18px;font-size:1.05rem}}.draggable-word:active{cursor:grabbing;transform:scale(.95)}.draggable-word.dragging{opacity:.3;box-shadow:none}.grid-memory{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;max-width:500px;width:100%;margin:20px auto 0}@media (min-width: 400px){.grid-memory{gap:10px}}.card-game{width:100%;aspect-ratio:1/1;perspective:1000px;cursor:pointer}.card-inner-game{position:relative;width:100%;height:100%;text-align:center;transition:transform .6s cubic-bezier(.4,.2,.2,1);transform-style:preserve-3d}.card-game.flipped .card-inner-game,.card-game.matched .card-inner-game{transform:rotateY(180deg)}.card-front-game,.card-back-game{position:absolute;width:100%;height:100%;backface-visibility:hidden;border-radius:8px;display:flex;justify-content:center;align-items:center;font-size:.7rem;padding:4px;font-weight:700;box-shadow:0 3px 6px #0000004d;border:1px solid transparent}.card-front-game{background-color:#152b4799;color:var(--color-blue);border-color:#00f0ff4d;font-size:1.2rem}.card-back-game{background-color:#050b14cc;color:#fff;transform:rotateY(180deg);word-break:break-all}@media (min-width: 400px){.card-front-game{font-size:1.5rem}.card-back-game{font-size:.85rem}}.card-game.matched .card-back-game{background-color:var(--color-yellow);color:#000;border-color:#fff;box-shadow:0 0 10px var(--color-yellow)}.feedback-gif{position:absolute;top:50%;left:50%;width:150px;height:150px;margin-top:-75px;margin-left:-75px;z-index:99999;pointer-events:none;opacity:0;border-radius:12px;box-shadow:0 10px 40px #0009}@media (min-width: 480px){.feedback-gif{width:180px;height:180px;margin-top:-90px;margin-left:-90px}}.anim-move-right{animation:floatRightFade 2.4s cubic-bezier(.25,1,.5,1) forwards}.anim-move-left{animation:floatLeftFade 2.4s cubic-bezier(.25,1,.5,1) forwards}.anim-float-up{animation:floatUpFade 2.4s cubic-bezier(.25,1,.5,1) forwards}.animated-ine-path{opacity:0;animation:loaderSequenceFade 4s infinite linear}@keyframes loaderSequenceFade{0%{opacity:0}6.25%{opacity:1}50%{opacity:1}56.25%{opacity:0}to{opacity:0}}@keyframes floatRightFade{0%{transform:translate(0) scale(.5);opacity:0}20%{opacity:1}40%{transform:translate(100px,-40px) scale(1.1);opacity:1}to{transform:translate(130px,-60px) scale(1);opacity:0}}@keyframes floatLeftFade{0%{transform:translate(0) scale(.5);opacity:0}20%{opacity:1}40%{transform:translate(-100px,-40px) scale(1.1);opacity:1}to{transform:translate(-130px,-60px) scale(1);opacity:0}}@keyframes floatUpFade{0%{transform:translate(0) scale(.5);opacity:0}20%{opacity:1}40%{transform:translateY(-60px) scale(1.1);opacity:1}to{transform:translateY(-120px) scale(1);opacity:0}}.coach-grid{display:flex;flex-direction:column;gap:20px;width:100%}.coach-card{width:100%}.coach-side-panel{display:flex;flex-direction:column;gap:20px;width:100%}@media (min-width: 992px){.coach-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:start}}.achievements-grid{display:flex;flex-direction:column;gap:20px;width:100%}@media (min-width: 992px){.achievements-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start}}#challengesList{display:flex;flex-direction:column;gap:16px}@media (min-width: 768px){#challengesList{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}}.eval-word{position:relative;cursor:help;display:inline-flex;flex-wrap:wrap;margin:0 4px;padding:2px 4px;border-radius:4px;transition:background-color .2s}.eval-word:hover{background:#ffffff0d}.phoneme-segment{border-bottom:2px solid transparent;padding:0 1px;font-weight:700}.phoneme-segment.correct{color:var(--color-correct);border-bottom-color:var(--color-correct)}.phoneme-segment.warning{color:var(--color-warning);border-bottom-color:var(--color-warning)}.phoneme-segment.incorrect,.phoneme-segment.mismatch{color:var(--color-incorrect);border-bottom-color:var(--color-incorrect)}.eval-word-tooltip{visibility:hidden;position:absolute;bottom:125%;left:50%;transform:translate(-50%);background-color:#1e293b;border:1px solid rgba(255,255,255,.15);color:#fff;text-align:center;padding:6px 12px;border-radius:8px;font-size:.75rem;white-space:nowrap;z-index:100;box-shadow:0 4px 12px #00000080;opacity:0;transition:opacity .2s,visibility .2s}.eval-word:hover .eval-word-tooltip{visibility:visible;opacity:1}.eval-word-tooltip:after{content:"";position:absolute;top:100%;left:50%;margin-left:-5px;border-width:5px;border-style:solid;border-color:#1e293b transparent transparent transparent}@keyframes stepTextTransition{0%{opacity:0;transform:translateY(12px) scale(.96);filter:blur(3px)}to{opacity:1;transform:translateY(0) scale(1);filter:blur(0)}}.step-text-active{animation:stepTextTransition .45s cubic-bezier(.16,1,.3,1) forwards}.feedback-card{margin-top:30px;border-color:#10b98140!important;box-shadow:0 0 25px #10b98114!important;animation:feedbackSlideUp .5s cubic-bezier(.16,1,.3,1) forwards}@keyframes feedbackSlideUp{0%{opacity:0;transform:translateY(20px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.pulse-homework{animation:homework-glow 1.5s infinite alternate;position:relative;border:1px solid rgba(255,170,0,.3)!important}@keyframes homework-glow{0%{box-shadow:0 0 3px #fa03,inset 0 0 1px #ffaa001a;color:#fffc}to{box-shadow:0 0 12px #fa09,inset 0 0 4px #ffaa0059;color:#ffb700;background:#ffaa0014!important}}.homework-badge{background:#ff4d4d;color:#fff;border-radius:8px;padding:1px 6px;font-size:.72rem;font-weight:700;margin-left:6px;display:inline-block;vertical-align:middle;box-shadow:0 0 6px #ff4d4d;animation:badge-pop .3s cubic-bezier(.175,.885,.32,1.275) forwards}@keyframes badge-pop{0%{transform:scale(.6)}to{transform:scale(1)}}.chat-message{padding:12px 16px;border-radius:12px;font-size:.95rem;line-height:1.5;max-width:80%;margin-bottom:8px;animation:slideInUp .25s ease-out}.chat-message.tutor{align-self:flex-start;background:linear-gradient(135deg,#152b47bf,#0a192fd9);border:1px solid rgba(0,240,255,.2);box-shadow:0 4px 10px #00000026;color:#fff}.chat-message.student{align-self:flex-end;background:linear-gradient(135deg,#7928ca40,#4c1d9559);border:1px solid rgba(121,40,202,.4);box-shadow:0 4px 10px #00000026;color:#fff}.chat-message.system{align-self:center;background:#00f0ff0d;border:1px solid rgba(0,240,255,.15);color:#00f0ff;max-width:90%;font-size:.85rem;text-align:center}.chat-message strong{color:var(--color-blue);display:block;margin-bottom:4px;font-size:.8rem;text-transform:uppercase;letter-spacing:.5px}.chat-message.student strong{color:#a78bfa}@keyframes slideInUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}