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| /* ===== Reset ===== */ | |
| *,*::before,*::after{margin:0;padding:0;box-sizing:border-box} | |
| :root{ | |
| --primary:#6C63FF; | |
| --primary-hover:#5A52E0; | |
| --primary-light:#EDE9FF; | |
| --bg:#F7F7FB; | |
| --surface:#FFFFFF; | |
| --text:#111827; | |
| --text2:#6B7280; | |
| --text3:#9CA3AF; | |
| --border:#E5E7EB; | |
| --success:#22C55E; | |
| --warning:#F59E0B; | |
| --danger:#EF4444; | |
| --r:14px; | |
| --r-sm:10px; | |
| --shadow-sm:0 1px 3px rgba(0,0,0,.06); | |
| --shadow:0 4px 16px rgba(0,0,0,.06); | |
| --shadow-lg:0 12px 40px rgba(0,0,0,.1); | |
| --teacher-color:#6C63FF; | |
| --teacher-light:#EDE9FF; | |
| --font:'Inter',system-ui,-apple-system,sans-serif; | |
| } | |
| html,body{height:100%;font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased} | |
| #app{height:100%;display:flex;flex-direction:column} | |
| .hidden{display:none} | |
| /* ===== Onboarding ===== */ | |
| .onboarding{ | |
| min-height:100%; | |
| background:linear-gradient(160deg,#1a103d 0%,#2d1b69 40%,#4c2889 100%); | |
| display:flex;justify-content:center; | |
| padding:32px 16px 48px; | |
| overflow-y:auto; | |
| } | |
| .ob-container{ | |
| width:100%;max-width:760px; | |
| display:flex;flex-direction:column; | |
| } | |
| .ob-header{text-align:center;margin-bottom:28px} | |
| .ob-logo{ | |
| display:inline-flex;align-items:center;gap:10px; | |
| font-size:1.7rem;font-weight:800;color:#fff; | |
| letter-spacing:-.02em; | |
| } | |
| .ob-logo-icon{display:flex} | |
| .ob-subtitle{color:rgba(255,255,255,.6);font-size:.95rem;margin-top:6px} | |
| /* Progress */ | |
| .ob-progress{ | |
| height:4px;background:rgba(255,255,255,.12); | |
| border-radius:4px;margin-bottom:8px;overflow:hidden; | |
| } | |
| .ob-progress-bar{ | |
| height:100%;background:#6C63FF; | |
| border-radius:4px;transition:width .4s ease; | |
| } | |
| .ob-step-labels{ | |
| display:flex;justify-content:space-between; | |
| margin-bottom:28px; | |
| } | |
| .ob-step-label{ | |
| font-size:.72rem;font-weight:600;text-transform:uppercase; | |
| letter-spacing:.06em;color:rgba(255,255,255,.25); | |
| transition:color .3s; | |
| } | |
| .ob-step-label.active{color:rgba(255,255,255,.9)} | |
| .ob-step-label.done{color:rgba(255,255,255,.5)} | |
| /* Steps */ | |
| .ob-step{display:none;animation:fadeUp .35s ease} | |
| .ob-step.active{display:block} | |
| @keyframes fadeUp{ | |
| from{opacity:0;transform:translateY(16px)} | |
| to{opacity:1;transform:translateY(0)} | |
| } | |
| .ob-title{ | |
| font-size:1.5rem;font-weight:700;color:#fff; | |
| text-align:center;margin-bottom:6px; | |
| } | |
| .ob-desc{ | |
| text-align:center;color:rgba(255,255,255,.55); | |
| font-size:.9rem;margin-bottom:20px; | |
| } | |
| /* Language Grid */ | |
| .lang-grid{ | |
| display:grid; | |
| grid-template-columns:repeat(auto-fill,minmax(130px,1fr)); | |
| gap:10px;margin-top:12px; | |
| } | |
| .lang-card{ | |
| background:rgba(255,255,255,.07); | |
| backdrop-filter:blur(8px); | |
| border:1.5px solid rgba(255,255,255,.1); | |
| border-radius:var(--r-sm); | |
| padding:16px 10px;text-align:center; | |
| cursor:pointer;transition:all .2s; | |
| user-select:none; | |
| } | |
| .lang-card:hover{ | |
| background:rgba(255,255,255,.12); | |
| border-color:rgba(255,255,255,.2); | |
| transform:translateY(-2px); | |
| } | |
| .lang-card.selected{ | |
| background:rgba(108,99,255,.25); | |
| border-color:#6C63FF; | |
| box-shadow:0 0 0 2px rgba(108,99,255,.3); | |
| } | |
| .lang-card .lc-flag{font-size:1.8rem;display:block;margin-bottom:4px} | |
| .lang-card .lc-name{font-size:.88rem;font-weight:600;color:#fff;display:block} | |
| .lang-card .lc-native{font-size:.75rem;color:rgba(255,255,255,.45);display:block;margin-top:1px} | |
| /* Level Cards */ | |
| .level-grid{ | |
| display:grid; | |
| grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); | |
| gap:14px;margin-top:12px; | |
| } | |
| .level-card{ | |
| background:rgba(255,255,255,.07); | |
| backdrop-filter:blur(8px); | |
| border:1.5px solid rgba(255,255,255,.1); | |
| border-radius:var(--r); | |
| padding:24px;cursor:pointer;transition:all .2s; | |
| } | |
| .level-card:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)} | |
| .level-card.selected{background:rgba(108,99,255,.25);border-color:#6C63FF} | |
| .level-card h3{color:#fff;font-size:1.15rem;margin-bottom:6px} | |
| .level-card p{color:rgba(255,255,255,.55);font-size:.88rem;line-height:1.5} | |
| /* Teacher Cards */ | |
| .teacher-grid{ | |
| display:grid; | |
| grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); | |
| gap:14px;margin-top:12px; | |
| } | |
| .teacher-card{ | |
| background:rgba(255,255,255,.07); | |
| backdrop-filter:blur(8px); | |
| border:2px solid rgba(255,255,255,.1); | |
| border-radius:var(--r); | |
| padding:22px;cursor:pointer;transition:all .2s; | |
| display:flex;gap:16px;align-items:flex-start; | |
| } | |
| .teacher-card:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)} | |
| .teacher-card.selected{border-color:var(--teacher-color);background:rgba(108,99,255,.15)} | |
| .tc-avatar{ | |
| width:64px;height:64px;min-width:64px; | |
| border-radius:50%;overflow:hidden; | |
| background:rgba(255,255,255,.08); | |
| display:flex;align-items:center;justify-content:center; | |
| } | |
| .tc-avatar img{width:56px;height:56px} | |
| .tc-info{flex:1;min-width:0} | |
| .tc-name{font-size:1.05rem;font-weight:700;color:#fff} | |
| .tc-title{font-size:.78rem;font-weight:600;color:var(--teacher-color);margin-top:1px} | |
| .tc-style{font-size:.82rem;color:rgba(255,255,255,.5);margin-top:4px} | |
| .tc-desc{font-size:.8rem;color:rgba(255,255,255,.4);margin-top:6px;line-height:1.4} | |
| .btn-voice{ | |
| margin-top:8px;display:inline-flex;align-items:center;gap:4px; | |
| padding:5px 12px;border-radius:16px; | |
| border:1px solid rgba(255,255,255,.15); | |
| background:transparent;color:rgba(255,255,255,.6); | |
| font-size:.75rem;font-family:var(--font);cursor:pointer; | |
| transition:all .2s; | |
| } | |
| .btn-voice:hover{border-color:var(--teacher-color);color:#fff} | |
| /* Topic Grid */ | |
| .topic-grid{ | |
| display:grid; | |
| grid-template-columns:repeat(auto-fill,minmax(155px,1fr)); | |
| gap:10px;margin-top:12px; | |
| } | |
| .topic-card{ | |
| background:rgba(255,255,255,.07); | |
| backdrop-filter:blur(8px); | |
| border:1.5px solid rgba(255,255,255,.1); | |
| border-radius:var(--r-sm); | |
| padding:18px 12px;text-align:center; | |
| cursor:pointer;transition:all .2s; | |
| } | |
| .topic-card:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)} | |
| .topic-card.selected{background:rgba(108,99,255,.25);border-color:#6C63FF} | |
| .topic-card .tc-icon{font-size:1.6rem;display:block;margin-bottom:4px} | |
| .topic-card .tc-label{font-size:.88rem;font-weight:600;color:#fff;display:block} | |
| .topic-card .tc-sub{font-size:.73rem;color:rgba(255,255,255,.4);display:block;margin-top:2px} | |
| /* Buttons */ | |
| .btn-primary{ | |
| display:inline-flex;align-items:center;justify-content:center;gap:8px; | |
| padding:14px 40px;font-size:1rem;font-weight:700;font-family:var(--font); | |
| color:#fff;background:var(--primary); | |
| border:none;border-radius:28px;cursor:pointer; | |
| transition:all .2s; | |
| box-shadow:0 4px 20px rgba(108,99,255,.35); | |
| } | |
| .btn-primary:disabled{opacity:.4;cursor:not-allowed;box-shadow:none} | |
| .btn-primary:not(:disabled):hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 6px 28px rgba(108,99,255,.45)} | |
| .btn-start{margin:28px auto 0;display:flex} | |
| .btn-back{ | |
| position:fixed;bottom:24px;left:24px; | |
| display:none;align-items:center;gap:4px; | |
| padding:8px 16px;border-radius:20px; | |
| background:rgba(255,255,255,.1);backdrop-filter:blur(8px); | |
| border:1px solid rgba(255,255,255,.15); | |
| color:rgba(255,255,255,.7);font-size:.85rem;font-weight:500; | |
| font-family:var(--font);cursor:pointer;transition:all .2s; | |
| } | |
| .btn-back:hover{background:rgba(255,255,255,.18);color:#fff} | |
| .btn-back.visible{display:inline-flex} | |
| .btn-icon{ | |
| width:38px;height:38px;border-radius:50%; | |
| border:none;background:transparent; | |
| color:var(--text2);cursor:pointer; | |
| display:flex;align-items:center;justify-content:center; | |
| transition:all .15s; | |
| } | |
| .btn-icon:hover{background:var(--primary-light);color:var(--primary)} | |
| /* ===== Lesson Layout ===== */ | |
| .lesson{ | |
| height:100%;display:flex;flex-direction:column; | |
| background:var(--bg); | |
| } | |
| .lesson-header{ | |
| display:flex;align-items:center;justify-content:space-between; | |
| padding:10px 16px;background:var(--surface); | |
| border-bottom:1px solid var(--border); | |
| flex-shrink:0; | |
| } | |
| .lh-left{display:flex;align-items:center;gap:10px} | |
| .lh-right{display:flex;align-items:center;gap:8px} | |
| .lh-info{display:flex;flex-direction:column} | |
| .lh-lang{font-weight:700;font-size:.92rem} | |
| .lh-topic{font-size:.78rem;color:var(--text2)} | |
| .xp-pill{ | |
| display:inline-flex;align-items:center;gap:4px; | |
| padding:4px 12px;border-radius:16px; | |
| background:linear-gradient(135deg,#FDE68A,#F59E0B); | |
| color:#78350F;font-size:.78rem;font-weight:700; | |
| } | |
| /* Avatar Strip */ | |
| .avatar-strip{ | |
| display:flex;align-items:center;gap:10px; | |
| padding:10px 16px;background:var(--surface); | |
| border-bottom:1px solid var(--border);flex-shrink:0; | |
| } | |
| .avatar-box{width:48px;height:48px;position:relative} | |
| .avatar-box img,.avatar-box svg{width:100%;height:100%} | |
| .avatar-label{font-weight:700;font-size:.9rem;color:var(--teacher-color)} | |
| .avatar-box.speaking{animation:bob .45s ease-in-out infinite alternate} | |
| @keyframes bob{from{transform:translateY(0)}to{transform:translateY(-3px)}} | |
| /* Chat */ | |
| .chat-scroll{ | |
| flex:1;overflow-y:auto;padding:16px; | |
| scroll-behavior:smooth; | |
| } | |
| .chat-inner{ | |
| display:flex;flex-direction:column;gap:10px; | |
| max-width:680px;margin:0 auto; | |
| } | |
| .msg{ | |
| max-width:82%;padding:12px 16px; | |
| border-radius:var(--r);line-height:1.6; | |
| font-size:.92rem;word-wrap:break-word; | |
| animation:msgIn .25s ease; | |
| } | |
| @keyframes msgIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}} | |
| .msg.tutor{ | |
| align-self:flex-start; | |
| background:var(--surface); | |
| border:1px solid var(--border); | |
| border-bottom-left-radius:4px; | |
| box-shadow:var(--shadow-sm); | |
| } | |
| .msg.student{ | |
| align-self:flex-end; | |
| background:var(--primary);color:#fff; | |
| border-bottom-right-radius:4px; | |
| } | |
| /* Cultural Note */ | |
| .cultural-note{ | |
| background:linear-gradient(135deg,#FFFBEB,#FEF3C7); | |
| border-left:3px solid var(--warning); | |
| padding:10px 14px;border-radius:0 var(--r-sm) var(--r-sm) 0; | |
| margin:8px 0;font-size:.88rem; | |
| } | |
| .cultural-note-title{font-weight:700;color:#B45309;font-size:.8rem;margin-bottom:3px} | |
| /* Dialogue */ | |
| .dialogue-block{ | |
| background:var(--primary-light);border-left:3px solid var(--primary); | |
| padding:10px 14px;border-radius:0 var(--r-sm) var(--r-sm) 0; | |
| margin:8px 0;font-size:.88rem; | |
| } | |
| /* Sentence Builder */ | |
| .sentence-builder{ | |
| background:#F0FDF4;border-radius:var(--r-sm); | |
| padding:12px 14px;margin:8px 0; | |
| } | |
| .sentence-builder-title{font-weight:600;font-size:.82rem;color:#166534;margin-bottom:8px} | |
| .word-tiles{display:flex;flex-wrap:wrap;gap:6px} | |
| .word-tile{ | |
| padding:5px 12px;background:#fff;border:2px solid #86EFAC; | |
| border-radius:6px;cursor:grab;font-size:.88rem; | |
| user-select:none;transition:all .15s; | |
| } | |
| .word-tile:hover{background:#DCFCE7} | |
| .word-tile.placed{opacity:.35;pointer-events:none} | |
| .sentence-drop-zone{ | |
| min-height:40px;border:2px dashed #86EFAC; | |
| border-radius:8px;padding:6px;margin-top:8px; | |
| display:flex;flex-wrap:wrap;gap:5px; | |
| } | |
| .sentence-drop-zone.correct{border-color:var(--success);background:#F0FDF4} | |
| .placed-word{ | |
| padding:4px 10px;background:var(--success);color:#fff; | |
| border-radius:5px;font-size:.88rem;cursor:pointer; | |
| } | |
| .sentence-builder-actions{margin-top:8px;display:flex;gap:6px} | |
| .btn-check-sentence,.btn-reset-sentence{ | |
| padding:5px 14px;border-radius:6px;border:none; | |
| font-size:.82rem;cursor:pointer;font-family:var(--font); | |
| transition:all .15s; | |
| } | |
| .btn-check-sentence{background:var(--success);color:#fff} | |
| .btn-check-sentence:hover{background:#16A34A} | |
| .btn-reset-sentence{background:var(--border);color:var(--text2)} | |
| /* Typing Indicator */ | |
| .typing-indicator{ | |
| align-self:flex-start;display:flex;align-items:center;gap:5px; | |
| padding:14px 20px;background:var(--surface); | |
| border:1px solid var(--border); | |
| border-radius:var(--r);border-bottom-left-radius:4px; | |
| box-shadow:var(--shadow-sm); | |
| } | |
| .typing-dot{ | |
| width:7px;height:7px;border-radius:50%; | |
| background:var(--text3); | |
| animation:bounce 1.2s ease-in-out infinite; | |
| } | |
| .typing-dot:nth-child(2){animation-delay:.15s} | |
| .typing-dot:nth-child(3){animation-delay:.3s} | |
| @keyframes bounce{0%,60%,100%{transform:translateY(0);opacity:.35}30%{transform:translateY(-5px);opacity:1}} | |
| /* Input Dock */ | |
| .input-dock{ | |
| padding:10px 16px 14px;background:var(--surface); | |
| border-top:1px solid var(--border);flex-shrink:0; | |
| } | |
| .input-row{ | |
| display:flex;align-items:center;gap:6px; | |
| max-width:680px;margin:0 auto; | |
| background:var(--bg);border-radius:24px; | |
| padding:4px 6px;border:1.5px solid var(--border); | |
| transition:border-color .2s; | |
| } | |
| .input-row:focus-within{border-color:var(--primary)} | |
| .input-row input{ | |
| flex:1;border:none;background:transparent; | |
| font-family:var(--font);font-size:.92rem; | |
| padding:9px 8px;outline:none;color:var(--text); | |
| } | |
| .btn-mic{color:var(--text3)} | |
| .btn-mic.recording{color:var(--danger);animation:pulse 1s ease infinite} | |
| @keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.15)}} | |
| .btn-send{color:var(--primary)} | |
| /* ===== Responsive ===== */ | |
| @media(max-width:640px){ | |
| .onboarding{padding:20px 12px 36px} | |
| .ob-logo{font-size:1.3rem} | |
| .ob-title{font-size:1.2rem} | |
| .lang-grid{grid-template-columns:repeat(auto-fill,minmax(105px,1fr))} | |
| .level-grid,.teacher-grid{grid-template-columns:1fr} | |
| .teacher-card{flex-direction:column;align-items:center;text-align:center} | |
| .msg{max-width:90%} | |
| .avatar-box{width:40px;height:40px} | |
| } | |