:root{--bg-color:var(--tg-theme-bg-color,#fff);--text-color:var(--tg-theme-text-color,#1a1a1a);--hint-color:var(--tg-theme-hint-color,#8e8e93);--button-color:var(--tg-theme-button-color,#2a81f3);--button-text-color:var(--tg-theme-button-text-color,#fff);--secondary-bg-color:var(--tg-theme-secondary-bg-color,#f4f5f9);--card-bg:#fff;--card-shadow:0 4px 15px #00000008;--primary-gradient:linear-gradient(135deg, #34d399 0%, #059669 100%);--text-primary:var(--tg-theme-text-color,#111827);--text-secondary:var(--tg-theme-hint-color,#4b5563);--bg-input:#fff;--border-color:#d1d5db;--bg-yellow:#fffbeb;--text-yellow:#f59e0b;--bg-blue:#eff6ff;--text-blue:#3b82f6;--bg-gray:#f3f4f6;--text-gray:#4b5563;--bg-pink:#fce7f3;--text-pink:#ec4899;--bg-green:#d1fae5}body.dark-theme{--card-bg:#1c1c1e;--card-shadow:0 4px 15px #0003;--secondary-bg-color:#000;--bg-color:#000;--text-color:#f9fafb;--hint-color:#9ca3af;--text-primary:#f9fafb;--text-secondary:#9ca3af;--bg-input:#374151;--border-color:#4b5563;--bg-yellow:#f59e0b33;--text-yellow:#fbbf24;--bg-blue:#3b82f633;--text-blue:#60a5fa;--bg-gray:#374151;--text-gray:#d1d5db;--bg-pink:#ec489933;--text-pink:#f472b6;--bg-green:#10b98133}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}body{background-color:var(--secondary-bg-color);color:var(--text-color);overscroll-behavior-y:none}.app-container{background:var(--secondary-bg-color);flex-direction:column;max-width:500px;height:100vh;margin:0 auto;display:flex}.content-area{flex:1;padding-bottom:80px;overflow-y:auto}.fade-in{animation:.4s cubic-bezier(.16,1,.3,1) fadeIn}@keyframes fadeIn{0%{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}.profile-header{background:var(--primary-gradient);padding:20px 20px 60px;padding-top:calc(var(--tg-content-safe-area-inset-top,env(safe-area-inset-top,0px)) + 40px);color:#fff;border-bottom-right-radius:20px;border-bottom-left-radius:20px;align-items:center;display:flex;position:relative}.profile-avatar{background-color:#fff;border:3px solid #ffffff4d;border-radius:50%;justify-content:center;align-items:center;width:60px;height:60px;margin-right:15px;display:flex;overflow:hidden}.profile-avatar img{object-fit:cover;width:100%;height:100%}.avatar-initials{color:#fff;background:linear-gradient(135deg,#3b82f6,#8b5cf6);border-radius:50%;justify-content:center;align-items:center;width:100%;height:100%;font-size:1.6rem;font-weight:700;display:flex}.profile-info h2{margin-bottom:4px;font-size:22px;font-weight:700}.streak-badge{color:#f59e0b;background:#fff;border-radius:14px;align-items:center;gap:4px;padding:6px 10px;font-size:13px;font-weight:600;display:inline-flex;box-shadow:0 2px 5px #0000001a}.card{background:var(--card-bg);z-index:10;box-shadow:var(--card-shadow);border-radius:20px;margin:0 20px 20px;padding:24px;position:relative}.dashboard-card{margin-top:-25px}.goal-circle{background:conic-gradient(var(--button-color) calc(var(--progress) * 1%), var(--secondary-bg-color) 0);border-radius:50%;justify-content:center;align-items:center;width:180px;height:180px;margin:0 auto;transition:all 1s ease-out;display:flex;position:relative}.goal-inner{background:var(--card-bg);border-radius:50%;flex-direction:column;justify-content:center;align-items:center;width:150px;height:150px;display:flex;box-shadow:inset 0 2px 10px #0000000d}.goal-label{color:var(--hint-color);font-size:14px}.goal-value{margin:4px 0;font-size:32px;font-weight:700}.goal-subtext{color:var(--hint-color);font-size:14px}.stats-grid{grid-template-columns:1fr 1fr;gap:15px;margin-bottom:20px;display:grid}.stat-box{background:var(--secondary-bg-color);border-radius:16px;align-items:center;gap:12px;padding:15px;display:flex}.stat-icon{border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;font-size:18px;display:flex}.stat-info{flex-direction:column;display:flex}.stat-title{color:var(--hint-color);font-size:12px}.stat-val{font-size:15px;font-weight:600}.primary-btn{background:var(--button-color);color:var(--button-text-color);cursor:pointer;border:none;border-radius:14px;justify-content:center;align-items:center;gap:8px;width:100%;padding:16px;font-size:16px;font-weight:600;transition:opacity .2s,transform .1s;display:flex}.primary-btn:active{opacity:.9;transform:scale(.98)}.bottom-nav{background:var(--card-bg);height:70px;padding-bottom:env(safe-area-inset-bottom);z-index:100;justify-content:space-around;align-items:center;max-width:500px;margin:0 auto;display:flex;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -4px 20px #00000008}.nav-item{color:var(--hint-color);cursor:pointer;flex-direction:column;align-items:center;width:33%;font-size:11px;font-weight:500;transition:color .2s;display:flex}.nav-item svg{margin-bottom:4px;transition:transform .2s}.nav-item.active{color:var(--button-color)}.nav-item.active svg{fill:currentColor;transform:scale(1.1)}.garden-header-img{object-fit:contain;z-index:1;width:100%;height:180px;margin-bottom:-20px}.calendar-grid{grid-template-columns:repeat(7,1fr);gap:6px;margin-top:15px;display:grid}.cal-day{aspect-ratio:1;background:#ebedf0;border-radius:4px}.cal-day.level-1{background:#9be9a8}.cal-day.level-2{background:#40c463}.cal-day.level-3{background:#30a14e}.cal-day.level-4{background:#216e39}body.dark-theme .cal-day{background:#2d333b}body.dark-theme .cal-day.level-1{background:#0e4429}body.dark-theme .cal-day.level-2{background:#006d32}body.dark-theme .cal-day.level-3{background:#26a641}body.dark-theme .cal-day.level-4{background:#39d353}.tip-box{color:#0b5c9c;background:#e6f3ff;border-radius:12px;align-items:flex-start;gap:12px;margin-top:15px;padding:16px;font-size:14px;display:flex}body.dark-theme .tip-box{color:#6bb0e8;background:#0b5c9c33}h3{margin-bottom:10px;font-weight:600}.loading-spinner{border:3px solid var(--border-color,#e5e7eb);border-top-color:var(--accent-color,#3b82f6);border-radius:50%;width:40px;height:40px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.exercise-card{transition:opacity .2s,transform .1s}.exercise-card:active:not(.done){transform:scale(.98)}.exercise-card.done{opacity:.6}.exercise-badge{text-transform:uppercase;letter-spacing:.3px;white-space:nowrap;border-radius:8px;align-items:center;gap:4px;padding:3px 8px;font-size:.65rem;font-weight:700;display:inline-flex}.exercise-original-phrase{color:var(--text-secondary);margin-top:6px;font-size:.95rem;font-style:italic;line-height:1.5;text-decoration:line-through}.exercise-question{color:var(--text-primary);font-size:1.05rem;font-weight:600;line-height:1.5}.mc-option{border:2px solid var(--border-color);background:var(--card-bg);width:100%;color:var(--text-primary);text-align:left;cursor:pointer;border-radius:12px;padding:14px 16px;font-size:.95rem;font-weight:500;transition:border-color .2s,background .2s}.mc-option:active:not(:disabled){transform:scale(.98)}.mc-option.selected{border-color:var(--button-color);background:var(--bg-blue)}.mc-option.correct{background:var(--bg-green);color:#065f46;border-color:#10b981}.mc-option.incorrect{background:var(--bg-pink);color:#991b1b;border-color:#ef4444}.fib-input{border:2px solid var(--border-color);background:var(--bg-input);width:100%;color:var(--text-primary);border-radius:12px;outline:none;padding:12px 14px;font-size:.95rem;transition:border-color .2s}.fib-input:focus{border-color:var(--button-color)}.fib-input.correct{background:var(--bg-green);border-color:#10b981}.fib-input.incorrect{background:var(--bg-pink);border-color:#ef4444}.wo-word-bank{flex-wrap:wrap;gap:8px;display:flex}.wo-word{border:1.5px solid var(--border-color);background:var(--card-bg);color:var(--text-primary);cursor:pointer;border-radius:10px;padding:10px 16px;font-size:.9rem;font-weight:500;transition:opacity .2s,transform .1s}.wo-word:active:not(:disabled){transform:scale(.95)}.wo-word.used{opacity:.25;cursor:default}.wo-answer-line{border:2px dashed var(--border-color);border-radius:14px;flex-wrap:wrap;align-items:center;gap:6px;min-height:54px;padding:10px;display:flex}.wo-placed-word{background:var(--button-color);color:var(--button-text-color);cursor:pointer;border:none;border-radius:10px;padding:8px 14px;font-size:.85rem;font-weight:600;transition:transform .1s}.wo-placed-word:active:not(:disabled){transform:scale(.95)}.exercise-result{border-radius:14px;margin-top:16px;padding:16px}.exercise-result.correct{background:var(--bg-green);color:#065f46}.exercise-result.incorrect{background:var(--bg-pink);color:#991b1b}body.dark-theme .exercise-result.correct{color:#6ee7b7}body.dark-theme .exercise-result.incorrect{color:#fca5a5}body.dark-theme .mc-option.correct{color:#6ee7b7}body.dark-theme .mc-option.incorrect{color:#fca5a5}.exercise-explanation{opacity:.9;font-size:.85rem;line-height:1.5}.session-progress{background:var(--border-color);border-radius:2px;height:4px;margin:4px 20px 0}.session-progress-fill{background:var(--button-color);border-radius:2px;height:100%;transition:width .3s}.session-counter{color:var(--hint-color);text-align:center;margin-top:12px;margin-bottom:4px;font-size:13px}.session-result-screen{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:60vh;padding:40px 20px;display:flex}.session-result-emoji{margin-bottom:16px;font-size:56px}.session-result-title{color:var(--text-primary);margin-bottom:8px;font-size:22px;font-weight:700}.session-result-score{color:var(--text-secondary);margin-bottom:32px;font-size:18px}.exercise-stats{flex-direction:column;gap:20px;padding:16px 16px 32px;display:flex}.stats-header{text-align:center;flex-direction:column;align-items:center;gap:6px;padding:12px 0 4px;display:flex}.stats-header-emoji{font-size:48px;line-height:1}.stats-header-title{color:var(--text-primary);margin:0;font-size:1.25rem;font-weight:700}.stats-header-subtitle{color:var(--text-secondary);margin:0;font-size:.875rem}.stats-next-review{color:var(--text-secondary);margin-top:6px;font-size:.8rem}.stats-cards{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.stats-card{background:var(--card-background);border:1px solid var(--border-color);border-radius:14px;flex-direction:column;align-items:center;gap:4px;padding:14px 10px;display:flex}.stats-card-value{color:var(--text-primary);font-size:1.5rem;font-weight:700;line-height:1}.stats-card-label{color:var(--text-secondary);text-align:center;font-size:.7rem;line-height:1.3}.stats-section,.error-type-list{flex-direction:column;gap:10px;display:flex}.stats-section-title{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;font-size:.75rem;font-weight:600}.error-type-row{align-items:center;gap:8px;display:flex}.error-type-name{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;flex-shrink:0;min-width:90px;font-size:.8rem;overflow:hidden}.error-type-bar-wrap{background:var(--border-color);border-radius:3px;flex:1;height:6px;overflow:hidden}.error-type-bar-fill{background:linear-gradient(90deg,#ef4444,#f87171);border-radius:3px;height:100%;transition:width .4s}.error-type-count{color:var(--text-secondary);text-align:right;flex-shrink:0;min-width:24px;font-size:.75rem}.correction-list{flex-direction:column;gap:8px;display:flex}.correction-item{background:var(--card-background);border:1px solid var(--border-color);border-radius:10px;flex-direction:column;gap:4px;padding:10px 12px;display:flex}.correction-wrong{color:#ef4444;opacity:.85;font-size:.8rem;text-decoration:line-through}.correction-right{color:#10b981;font-size:.85rem;font-weight:500}