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calc(72px + env(safe-area-inset-bottom,0px))!important}.stats-metric-grid{grid-template-columns:repeat(2,1fr)!important;gap:8px!important}.stats-chart-card{padding:14px!important}.stats-subgrid{grid-template-columns:1fr!important}.settings-container{padding:16px 14px calc(72px + env(safe-area-inset-bottom,0px))!important}.settings-card{padding:14px!important}.settings-row{cursor:pointer!important;min-height:48px!important}.aster-wrap{padding:12px 10px calc(72px + env(safe-area-inset-bottom,0px))!important}.aster-bar{flex-wrap:wrap!important;gap:8px!important}.aster-stats{gap:8px!important;font-size:13px!important}}@media (min-width:769px){.rail-mobile-only{display:none!important}}.typing-keyboard-active~.rail{display:none!important}body:has(.typing-keyboard-active) .rail{display:none!important}.btn{border:1px solid var(--border);border-radius:var(--r-md);background:var(--surface-2);min-height:38px;color:var(--ink);cursor:pointer;transition:background var(--dur-fast) var(--ease-out-quart), border-color var(--dur-fast) var(--ease-out-quart), transform var(--dur-fast) var(--ease-out-quart);justify-content:center;align-items:center;gap:8px;padding:7px 16px;font-size:13.5px;font-weight:550;display:inline-flex}.btn:hover{background:var(--surface-3);border-color:var(--border-strong)}.btn:active{transform:translateY(1px)scale(.99)}.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}.btn--primary{background:var(--accent);color:var(--accent-ink);border-color:#0000;font-weight:650}.btn--primary:hover{background:var(--accent-strong);border-color:#0000}.btn--ghost{color:var(--ink-2);background:0 0;border-color:#0000}.btn--ghost:hover{background:var(--surface-2);color:var(--ink)}.mastery-dots{align-items:center;gap:5px;display:inline-flex}.mastery-dot{border-radius:var(--r-full);background:var(--surface-3);border:1px solid var(--border);width:7px;height:7px;transition:background var(--dur-fast) var(--ease-out-quart), border-color var(--dur-fast) var(--ease-out-quart)}.mastery-dot--0{background:var(--wrong);border-color:#0000}.mastery-dot--1{background:var(--warn);border-color:#0000}.mastery-dot--2{background:var(--correct);border-color:#0000}.word-chars{font-family:var(--font-mono);letter-spacing:.02em;flex-wrap:wrap;justify-content:center;gap:.06em;font-weight:600;display:inline-flex}.char{color:var(--ink-3);transition:color var(--dur-fast) var(--ease-out-quart);position:relative}.char--correct{color:var(--correct)}.char--wrong{color:var(--wrong);background:var(--wrong-dim);border-radius:2px}.char--pending{color:var(--pending)}.char--active:after{content:"";background:var(--accent);width:2.5px;box-shadow:0 0 8px var(--accent-soft);border-radius:2px;animation:1.06s step-end infinite caret-blink;position:absolute;inset:6% -1px 6% auto}.char--space{text-align:center;white-space:pre;min-width:.5em;display:inline-block}.char--space.char--pending{border-bottom:2px dashed var(--border-strong);margin-inline:3px}.char--space.char--active{background:var(--surface-3);border-bottom:2px solid var(--accent);border-radius:2px;margin-inline:3px}.char--space.char--correct{border-bottom:2px solid var(--correct);margin-inline:3px}.char--space.char--wrong{background:var(--wrong-dim);border-bottom:2px solid var(--wrong);border-radius:2px;margin-inline:3px}@keyframes caret-blink{0%,55%{opacity:1}56%,to{opacity:0}}@keyframes shake-x{0%,to{transform:translate(0)}20%{transform:translate(-4px)}40%{transform:translate(3px)}60%{transform:translate(-2px)}80%{transform:translate(1px)}}.word-shake{animation:shake-x .22s var(--ease-out-quart)}@keyframes combo-pop{0%{transform:scale(1)}40%{transform:scale(1.22)}to{transform:scale(1)}}.combo-pop{animation:combo-pop .24s var(--ease-out-quart)}.detail-tab{color:var(--ink-3);border-radius:var(--r-sm);cursor:pointer;transition:background var(--dur-fast) var(--ease-out-quart), color var(--dur-fast) var(--ease-out-quart);background:0 0;border:none;padding:6px 12px;font-size:12.5px;font-weight:600}.detail-tab:hover{color:var(--ink)}.detail-tab--active{background:var(--surface-3);color:var(--ink)}.hint-letter{border-radius:var(--r-xs);background:var(--surface-2);border:1px solid var(--border);min-width:22px;height:22px;font-family:var(--font-mono);color:var(--ink-2);place-items:center;padding-inline:5px;font-size:12.5px;font-weight:600;display:inline-grid}.rate-btn{border-radius:var(--r-md);border:1px solid var(--border);min-width:86px;height:30px;color:var(--ink-2);cursor:pointer;transition:all var(--dur-fast) var(--ease-out-quart);background:0 0;padding-inline:10px;font-size:12px;font-weight:600}.rate-btn:hover{border-color:var(--border-strong);color:var(--ink)}.rate-btn--0{color:var(--wrong)}.rate-btn--0:hover{background:var(--wrong-dim);border-color:var(--wrong);color:var(--wrong)}.rate-btn--1{color:var(--warn)}.rate-btn--1:hover{background:var(--warn-dim);border-color:var(--warn);color:var(--warn)}.rate-btn--2{color:var(--correct)}.rate-btn--2:hover{background:var(--correct-dim);border-color:var(--correct);color:var(--correct)}.rate-btn--selected{transform:translateY(1px)}.aster-field{border-radius:var(--r-lg);background:var(--bg);width:100%;height:100%;position:relative;overflow:hidden}.aster{will-change:transform;position:absolute;top:0}.aster-body{border-radius:var(--r-sm);background:var(--surface-2);border:1px solid var(--border);font-family:var(--font-mono);color:var(--ink-2);white-space:nowrap;-webkit-user-select:none;user-select:none;padding:10px 16px;font-size:15px;font-weight:600;box-shadow:0 6px 18px #0102042e;box-shadow:0 6px 18px lab(.451086% -.0501201 -1.04911/.18)}.aster--target{border-color:var(--accent);color:var(--accent-strong);background:var(--surface-3)}.aster--danger{border-color:var(--wrong);color:var(--wrong)}.particle{pointer-events:none;animation:particle-fly var(--dur-slow) var(--ease-out-quart) forwards;border-radius:50%;position:absolute}@keyframes particle-fly{0%{opacity:1;transform:translate(0)scale(1)}to{opacity:0;transform:translate(var(--tx), var(--ty)) scale(.2)}}.popover{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);z-index:var(--z-popover);min-width:220px;padding:6px;position:absolute;box-shadow:0 16px 40px #01020447;box-shadow:0 16px 40px lab(.451086% -.0501201 -1.04911/.28)}.menu-item{border-radius:var(--r-sm);width:100%;color:var(--ink);cursor:pointer;text-align:left;transition:background var(--dur-fast) var(--ease-out-quart);background:0 0;border:none;align-items:center;gap:10px;padding:9px 12px;font-size:13.5px;display:flex}.menu-item:hover{background:var(--surface-2)}.menu-item--active{background:var(--accent-soft);color:var(--accent-strong)}.menu-item--active:hover{background:var(--accent-soft)}.menu-sep{background:var(--border);height:1px;margin:6px 8px}.toast{background:var(--surface-3);color:var(--ink);border:1px solid var(--border-strong);border-radius:var(--r-md);z-index:var(--z-toast);padding:9px 18px;font-size:13px;font-weight:550;position:fixed;bottom:26px;left:50%;transform:translate(-50%);box-shadow:0 12px 32px #0102044d;box-shadow:0 12px 32px lab(.451086% -.0501201 -1.04911/.3)}*{scrollbar-width:thin;scrollbar-color:var(--border-strong) transparent}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:var(--r-full)}::-webkit-scrollbar-track{background:0 0}.typing-container{width:100%;max-width:720px;min-height:100%;transition:max-width var(--dur-slow) var(--ease-out-quart);flex-direction:column;gap:16px;margin:0 auto;padding:20px 16px 40px;display:flex}.typing-header{flex-direction:column;gap:12px;width:100%;display:flex}.typing-grid{flex-direction:column;gap:16px;width:100%;display:flex}.typing-main-col,.typing-side-col{flex-direction:column;gap:14px;width:100%;display:flex}.typing-card{background:var(--surface);border-radius:var(--r-lg);cursor:text;transition:border-color .16s var(--ease-out-quart), box-shadow .16s var(--ease-out-quart);outline:none;flex-direction:column;align-items:center;gap:14px;padding:34px 28px 28px;display:flex;position:relative}.typing-hidden-input{opacity:.0001;cursor:text;z-index:1;color:#0000;background:0 0;border:none;width:100%;height:100%;font-size:16px;position:absolute;inset:0}@media (max-width:768px){.typing-container{gap:10px;padding:10px 12px 32px}.typing-header{gap:8px}.typing-stats-row{font-size:12px!important}.typing-progress-box{gap:6px!important;padding:8px 12px!important}.typing-progress-tabs{gap:10px!important;font-size:12px!important}.typing-card{border-radius:var(--r-md);gap:10px;padding:18px 14px 14px}.typing-meaning{font-size:clamp(20px,5.2vw,26px)!important;line-height:1.25!important}.typing-ipa{font-size:13.5px!important}.word-chars{margin-top:4px!important;font-size:clamp(28px,7.2vw,38px)!important}.typing-desktop-tip{display:none!important}.typing-mobile-bar{display:flex!important}}.typing-container.typing-keyboard-active{gap:6px!important;padding-top:6px!important;padding-bottom:12px!important}.typing-container.typing-keyboard-active .typing-header{gap:4px!important}.typing-container.typing-keyboard-active .typing-progress-box{background:0 0!important;border:none!important;gap:0!important;padding:0!important}.typing-container.typing-keyboard-active .typing-progress-tabs{display:none!important}.typing-container.typing-keyboard-active .typing-card{box-shadow:0 0 0 2px var(--accent-soft)!important;gap:6px!important;padding:10px 14px!important}.typing-container.typing-keyboard-active .typing-meaning{font-size:19px!important;line-height:1.2!important}.typing-container.typing-keyboard-active .word-chars{margin-top:2px!important;font-size:27px!important}.typing-container.typing-keyboard-active .typing-rate-row{display:none!important}.typing-container.typing-keyboard-active .typing-ime-alert{padding:6px 12px!important;font-size:12px!important}.typing-container.typing-keyboard-active .typing-ime-desc{display:none!important}@media (min-width:1024px){.typing-container{gap:18px;max-width:1320px;padding:24px 28px 48px}.typing-grid{grid-template-columns:minmax(0,1.08fr) minmax(0,1fr);align-items:start;gap:24px;display:grid}.typing-main-col{position:sticky;top:20px}.typing-card{justify-content:center;min-height:380px}}@media (min-width:1440px){.typing-container{max-width:1440px;padding-inline:36px}.typing-grid{grid-template-columns:minmax(0,1.12fr) minmax(0,1fr);gap:28px}}.kt-content{color:var(--ink);flex-direction:column;gap:12px;font-size:13.5px;line-height:1.58;display:flex}.kt-section{flex-direction:column;gap:6px;display:flex}.kt-tag{letter-spacing:.04em;text-transform:uppercase;border-radius:var(--r-xs);-webkit-user-select:none;user-select:none;align-items:center;gap:5px;width:-moz-fit-content;width:fit-content;padding:2.5px 10px;font-size:11px;font-weight:700;display:inline-flex}.kt-tag--origin{background:var(--warn-dim);color:var(--warn);border:1px solid var(--warn-line)}.kt-tag--hook{background:var(--accent-soft);color:var(--accent-strong);border:1px solid var(--accent-line)}.kt-tag--colloc{background:var(--surface-2);color:var(--ink);border:1px solid var(--border-strong)}.kt-tag--family{background:var(--accent-soft);color:var(--accent-strong);border:1px solid var(--accent-line)}.kt-tag--compare{background:var(--wrong-dim);color:var(--wrong);border:1px solid var(--wrong-line)}.kt-tag--warn{background:var(--warn-dim);color:var(--warn);border:1px solid var(--warn-line)}.kt-tag--grammar{background:var(--surface-2);color:var(--accent-strong);border:1px solid var(--border-strong)}.kt-body{color:var(--ink);line-height:1.55}.kt-list{flex-direction:column;gap:5px;margin-top:2px;display:flex}.kt-item{background:var(--surface-2);border-radius:var(--r-sm);border:1px solid var(--border);align-items:baseline;gap:8px;padding:6px 10px;font-size:13px;transition:border-color .14s;display:flex}.kt-item:hover{border-color:var(--border-strong)}.kt-bullet{color:var(--accent-strong);flex-shrink:0;font-size:14px;font-weight:700;line-height:1}.kt-word{color:var(--accent-strong);font-weight:700;font-family:var(--font-mono)}.kt-trans{color:var(--ink-2);margin-left:3px;font-size:12.5px;font-style:italic}.stats-metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-bottom:24px;display:grid}@media (min-width:640px){.stats-metric-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@property --tw-translate-x{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-y{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-z{syntax:"*";inherits:false;initial-value:0}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-divide-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-leading{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@property --tw-ordinal{syntax:"*";inherits:false}@property --tw-slashed-zero{syntax:"*";inherits:false}@property --tw-numeric-figure{syntax:"*";inherits:false}@property --tw-numeric-spacing{syntax:"*";inherits:false}@property --tw-numeric-fraction{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-backdrop-blur{syntax:"*";inherits:false}@property --tw-backdrop-brightness{syntax:"*";inherits:false}@property --tw-backdrop-contrast{syntax:"*";inherits:false}@property --tw-backdrop-grayscale{syntax:"*";inherits:false}@property --tw-backdrop-hue-rotate{syntax:"*";inherits:false}@property --tw-backdrop-invert{syntax:"*";inherits:false}@property --tw-backdrop-opacity{syntax:"*";inherits:false}@property --tw-backdrop-saturate{syntax:"*";inherits:false}@property --tw-backdrop-sepia{syntax:"*";inherits:false}@property --tw-ease{syntax:"*";inherits:false}