:root{--text: #eef8ff;--muted: rgba(238, 248, 255, .68);--line: rgba(139, 244, 255, .22);--cyan: #6ee7ff;--pink: #ff5db8;--green: #7dff88;--amber: #ffd36e;--danger: #ff6b6b;--body-bg: radial-gradient(circle at 14% 18%, rgba(110, 231, 255, .2), transparent 28%), radial-gradient(circle at 82% 22%, rgba(255, 93, 184, .18), transparent 28%), linear-gradient(180deg, #101725 0%, #071018 56%, #03060a 100%);--grid-line: rgba(110, 231, 255, .05);--panel: rgba(6, 12, 20, .72);--panel-strong: rgba(10, 20, 32, .9);--control-bg: rgba(255, 255, 255, .05);--control-border: rgba(255, 255, 255, .1);--control-active: rgba(110, 231, 255, .1);--canvas-sea-top: rgba(110, 231, 255, .08);--canvas-sea-bottom: rgba(40, 120, 150, .3);--canvas-wave: rgba(110, 231, 255, .18);--ship-body: rgba(255, 211, 110, .92);--ship-sail: rgba(110, 231, 255, .82);--cannon-main: rgba(255, 93, 184, .9);--cannon-base: rgba(110, 231, 255, .88);--ink: #071018;--cursor-default: url("data:image/svg+xml,%3Csvg width='24' height='24' viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M5 3L18 14L12.6 15.1L9.5 21L5 3Z' fill='%23081218' stroke='%236ee7ff' stroke-width='1.7' stroke-linejoin='round'/%3E%3Cpath d='M8 7.5L14.5 13.1L11.3 13.8L9.5 17.2L8 7.5Z' fill='%23ff5db8' fill-opacity='.8'/%3E%3C/svg%3E") 5 3, auto;--cursor-pointer: url("data:image/svg+xml,%3Csvg width='24' height='24' viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M5 3L18 14L12.6 15.1L9.5 21L5 3Z' fill='%23081218' stroke='%237dff88' stroke-width='1.8' stroke-linejoin='round'/%3E%3Ccircle cx='18.5' cy='6.5' r='2.2' fill='%236ee7ff'/%3E%3C/svg%3E") 5 3, pointer;--cursor-text: url("data:image/svg+xml,%3Csvg width='24' height='24' viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M10 4H14M10 20H14M12 5V19' stroke='%236ee7ff' stroke-width='2.2' stroke-linecap='round'/%3E%3Cpath d='M8 12H16' stroke='%237dff88' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E") 12 12, text}body[data-theme=cartoon]{--text: #24305e;--muted: rgba(36, 48, 94, .68);--line: rgba(74, 101, 255, .2);--cyan: #48c6ff;--pink: #ff7ab8;--green: #25c76f;--amber: #ffbd3d;--danger: #ff5d5d;--body-bg: radial-gradient(circle at 16% 20%, rgba(255, 208, 92, .42), transparent 25%), radial-gradient(circle at 82% 18%, rgba(116, 210, 255, .45), transparent 27%), linear-gradient(180deg, #f8fbff 0%, #e8f5ff 55%, #fff2c7 100%);--grid-line: rgba(74, 101, 255, .07);--panel: rgba(255, 255, 255, .76);--panel-strong: rgba(255, 255, 255, .92);--control-bg: rgba(255, 255, 255, .76);--control-border: rgba(74, 101, 255, .18);--control-active: rgba(255, 189, 61, .28);--canvas-sea-top: rgba(91, 206, 255, .24);--canvas-sea-bottom: rgba(77, 183, 237, .36);--canvas-wave: rgba(35, 116, 184, .22);--ship-body: rgba(255, 187, 57, .95);--ship-sail: rgba(255, 122, 184, .88);--cannon-main: rgba(74, 101, 255, .92);--cannon-base: rgba(37, 199, 111, .88);--ink: #24305e;--cursor-default: url("data:image/svg+xml,%3Csvg width='24' height='24' viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M5 3L18 14L12.6 15.1L9.5 21L5 3Z' fill='%23ffffff' stroke='%2324305e' stroke-width='1.7' stroke-linejoin='round'/%3E%3Cpath d='M8 7.5L14.5 13.1L11.3 13.8L9.5 17.2L8 7.5Z' fill='%23ffbd3d'/%3E%3C/svg%3E") 5 3, auto;--cursor-pointer: url("data:image/svg+xml,%3Csvg width='24' height='24' viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M5 3L18 14L12.6 15.1L9.5 21L5 3Z' fill='%23ffffff' stroke='%2324305e' stroke-width='1.8' stroke-linejoin='round'/%3E%3Ccircle cx='18.5' cy='6.5' r='2.2' fill='%23ff7ab8'/%3E%3C/svg%3E") 5 3, pointer;--cursor-text: url("data:image/svg+xml,%3Csvg width='24' height='24' viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M10 4H14M10 20H14M12 5V19' stroke='%2324305e' stroke-width='2.2' stroke-linecap='round'/%3E%3Cpath d='M8 12H16' stroke='%23ffbd3d' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E") 12 12, text}*{box-sizing:border-box}html,body{width:100%;height:100%;margin:0;overflow:hidden;background:var(--body-bg);color:var(--text);cursor:var(--cursor-default);font-family:Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}#app{width:100%;height:100%}body:before{content:"";position:fixed;inset:0;pointer-events:none;background-image:linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);background-size:54px 54px}button,input{font:inherit}button{cursor:var(--cursor-pointer)}.app-shell{position:relative;display:grid;grid-template-rows:auto 1fr;width:100%;height:100%;padding:18px;gap:14px}.topbar{z-index:5;display:flex;align-items:center;gap:14px;padding:12px 14px;border:1px solid var(--line);border-radius:18px;background:var(--panel);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);box-shadow:0 18px 48px #0000002e}.back-button,.theme-button,.icon-button,.dialog-icon-button{display:grid;place-items:center;color:var(--muted);background:var(--control-bg);border:1px solid var(--control-border);border-radius:12px}.back-button{width:42px;height:42px}.back-button svg,.theme-button svg,.icon-button svg,.dialog-icon-button svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.brand{display:flex;align-items:center;gap:14px;min-width:0;flex:1}.brand-mark{width:40px;height:40px;border:1px solid rgba(110,231,255,.55);background:conic-gradient(from 210deg,var(--cyan),var(--pink),var(--amber),var(--cyan));box-shadow:0 0 22px #6ee7ff57;clip-path:polygon(50% 0,94% 28%,78% 86%,22% 86%,6% 28%)}.brand h1{margin:0;font-size:clamp(22px,3vw,34px);letter-spacing:.08em}.brand p{margin:4px 0 0;color:var(--muted);font-size:13px}.theme-switch{display:flex;gap:6px;padding:4px;border:1px solid var(--control-border);border-radius:14px;background:var(--control-bg)}.theme-button{width:38px;height:34px;border:0;background:transparent}.theme-button.is-active,.theme-button:hover,.back-button:hover,.icon-button:hover,.dialog-icon-button:hover{color:var(--text);background:var(--control-active)}.stage-wrap{position:relative;min-height:0;border:1px solid var(--line);border-radius:24px;background:#03080e47;overflow:hidden}.view{position:absolute;inset:0;opacity:0;visibility:hidden;z-index:0;pointer-events:none;transition:opacity .22s ease}.view.is-active{opacity:1;visibility:visible;z-index:1;pointer-events:auto}.home-view{display:grid;grid-template-columns:repeat(2,minmax(280px,420px));align-content:center;justify-content:center;align-items:center;gap:24px;padding:28px}.entry-card{position:relative;display:grid;align-content:end;width:min(420px,100%);min-height:320px;padding:clamp(26px,5vw,58px);color:var(--text);text-align:left;border:1px solid var(--line);border-radius:24px;background:var(--panel);overflow:hidden;transition:border-color .18s ease,background .18s ease,box-shadow .18s ease,transform .18s ease}.entry-card:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.16),transparent 34%),radial-gradient(circle at 22% 20%,rgba(110,231,255,.18),transparent 28%);opacity:0;pointer-events:none;transition:opacity .18s ease}.entry-card:after{content:"";position:absolute;inset:auto -30% 0;height:42%;background:linear-gradient(90deg,transparent,rgba(125,255,136,.2),transparent);transform:translate(-40%) skew(-18deg);opacity:0;pointer-events:none;transition:opacity .18s ease,transform .3s ease}.entry-card:hover{transform:translateY(-6px);border-color:#7dff887a;background:var(--panel-strong);box-shadow:0 22px 52px #00000042,0 0 28px #7dff881f}.entry-card:hover:before{opacity:1}.entry-card:hover:after{opacity:1;transform:translate(40%) skew(-18deg)}.entry-kicker{position:relative;z-index:1;color:var(--green);font-size:13px;letter-spacing:.24em}.entry-card strong{position:relative;z-index:1;margin-top:12px;font-size:clamp(38px,5vw,64px);line-height:.95}.entry-card small{position:relative;z-index:1;margin-top:18px;color:var(--muted);font-size:18px}.workspace-view{display:grid;grid-template-columns:260px 1fr}.side-nav{display:grid;align-content:start;gap:10px;padding:18px;border-right:1px solid var(--line);background:color-mix(in srgb,var(--panel) 70%,transparent)}.side-button{display:grid;gap:6px;padding:16px;color:var(--muted);text-align:left;border:1px solid var(--control-border);border-radius:16px;background:var(--control-bg)}.side-button strong{color:var(--text);font-size:18px}.side-button span{font-size:13px}.side-button.is-active,.side-button:hover{border-color:#7dff887a;background:var(--control-active)}.work-area{position:relative;min-width:0;overflow:hidden}.hud{position:absolute;z-index:4;left:18px;right:18px;top:18px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;pointer-events:none}.hud div{min-width:0;padding:11px 12px;border:1px solid var(--control-border);border-radius:14px;background:var(--panel);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.hud span{display:block;color:var(--muted);font-size:12px}.hud strong{display:block;margin-top:5px;font-size:clamp(20px,3vw,32px);line-height:1}.mode-panel{position:absolute;inset:0;opacity:0;pointer-events:none;transition:opacity .18s ease}.mode-panel.is-active{opacity:1;pointer-events:auto}.float-stage,.game-canvas{position:absolute;inset:0;width:100%;height:100%;overflow:hidden}.float-stage:after{content:"按任意键生成钢琴音和漂浮字符";position:absolute;left:50%;bottom:26px;transform:translate(-50%);width:min(560px,calc(100% - 32px));padding:12px 16px;color:var(--muted);text-align:center;border:1px solid var(--line);border-radius:999px;background:var(--panel)}.float-char{position:absolute;bottom:-58px;min-width:54px;padding:9px 13px;font-size:clamp(26px,5vw,58px);font-weight:800;text-align:center;border:1px solid currentColor;border-radius:16px;background:#ffffff14;text-shadow:0 0 15px currentColor;animation:rise var(--life, 7s) cubic-bezier(.19,1,.22,1) forwards}.fleet-banner{position:absolute;z-index:3;left:50%;bottom:22px;transform:translate(-50%);width:min(620px,calc(100% - 32px));padding:12px 16px;text-align:center;border:1px solid rgba(255,211,110,.28);border-radius:999px;background:var(--panel);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.study-panel{display:grid;place-items:center;padding:98px 22px 26px}.study-scene{width:min(960px,100%)}.study-meta,.study-meta-actions,.study-controls{display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--muted)}.study-meta-actions{justify-content:flex-end}.study-controls{justify-content:center;margin-top:16px;flex-wrap:wrap}.compact-toggle,.segmented{display:flex;gap:4px;padding:4px;border:1px solid var(--control-border);border-radius:999px;background:var(--control-bg)}.compact-button,.segment,.word-source-button,.word-edit-button{min-height:34px;padding:0 13px;color:var(--muted);border:0;border-radius:999px;background:transparent}.segment{min-height:38px;padding:0 16px}.compact-button.is-active,.compact-button:hover,.segment.is-active,.segment:hover,.word-source-button:hover,.word-source-button.is-active,.word-edit-button:hover{color:var(--text);background:var(--control-active)}.icon-button{width:38px;height:38px}.study-target{min-height:170px;display:grid;place-items:center;margin:26px 0 18px;font-size:clamp(54px,10vw,112px);font-weight:850;text-align:center;text-shadow:0 0 28px rgba(110,231,255,.38),0 0 44px rgba(255,93,184,.22)}.poetry-grid{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(42px,auto);justify-content:center;gap:clamp(10px,1.8vw,24px);width:100%;margin:30px auto 22px;overflow-x:auto;padding-bottom:8px;text-align:center}.poetry-cell{display:grid;gap:12px;justify-items:center;min-width:42px;white-space:nowrap}.poetry-pinyin{color:var(--muted);font-size:clamp(18px,2.3vw,30px);line-height:1}.poetry-hanzi{color:var(--text);font-size:clamp(34px,5vw,66px);font-weight:850;line-height:1;text-shadow:0 0 24px rgba(110,231,255,.32),0 0 36px rgba(255,93,184,.18)}.input-label-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.hint-button{display:grid;place-items:center;width:38px;height:38px;color:var(--amber);background:var(--control-bg);border:1px solid var(--control-border);border-radius:12px}.poetry-actions{display:flex;gap:8px}.hint-button svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.hint-button:hover{color:var(--text);background:var(--control-active)}.hint-answer{position:relative;min-height:36px;margin-top:12px;color:color-mix(in srgb,var(--text) 82%,transparent);font-size:clamp(24px,3.6vw,42px);font-weight:800;opacity:0;text-align:center;white-space:nowrap;text-shadow:0 0 18px rgba(110,231,255,.28)}.hint-answer.is-active{animation:hintFade .9s ease forwards}.input-line{display:grid;gap:10px;color:var(--muted)}.input-entry{position:relative;display:block;cursor:var(--cursor-text);border:1px solid transparent;border-radius:18px;background:color-mix(in srgb,var(--panel) 58%,transparent);transition:border-color .16s ease,box-shadow .16s ease,background .16s ease}.input-entry.is-focused{border-color:color-mix(in srgb,var(--green) 50%,transparent);background:color-mix(in srgb,var(--panel-strong) 74%,transparent);box-shadow:0 0 0 3px #7dff881f,0 0 26px #7dff8829}.answer-slots{display:flex;align-items:center;justify-content:center;gap:8px;min-height:104px;overflow-x:auto;padding:22px 14px 24px}.answer-slot{position:relative;display:grid;place-items:center;min-width:32px;height:38px;color:var(--text);font-size:clamp(20px,3vw,34px);font-weight:800;border-bottom:2px solid rgba(110,231,255,.54);text-shadow:0 0 16px rgba(110,231,255,.24)}.answer-slot.is-caret:after{content:"";position:absolute;left:50%;top:7px;width:2px;height:26px;border-radius:999px;background:var(--green);box-shadow:0 0 12px #7dff88bf;transform:translate(-50%);animation:caretBlink .92s steps(2,start) infinite}.answer-slot.is-caret:not(:empty):after{left:calc(50% + 13px)}.study-input-proxy{position:absolute;inset:0;width:1px;height:1px;padding:0;opacity:0;color:transparent;caret-color:transparent;font-size:1px;background:transparent;border:0;outline:none;pointer-events:none;cursor:var(--cursor-text)}.study-input-proxy:focus{box-shadow:none}.study-result{min-height:42px;margin-top:18px;color:var(--muted);font-size:18px;text-align:center}.study-result.ok{color:var(--green);animation:pulse .42s ease}.study-result.bad{color:var(--danger);animation:shake .26s ease}.word-dialog{position:fixed;inset:0;z-index:20;display:grid;place-items:center;padding:16px;background:#0000008f;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.word-dialog[hidden]{display:none}.word-dialog-box{width:min(860px,calc(100vw - 28px));max-height:calc(100vh - 32px);padding:20px;color:var(--text);border:1px solid var(--line);border-radius:22px;background:var(--panel-strong);overflow:auto}.word-dialog-head,.word-dialog-actions{display:flex;align-items:center;justify-content:space-between;gap:14px}.word-dialog-head h2{margin:0;font-size:24px}.word-dialog-head p{margin:6px 0 0;color:var(--muted);font-size:14px}.local-word-table{margin:20px 0;max-height:min(52vh,520px);overflow:auto;border:1px solid var(--control-border);border-radius:16px}.local-word-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) 82px;gap:10px;align-items:center;padding:10px;border-bottom:1px solid var(--control-border)}.local-word-head{position:sticky;top:0;z-index:1;color:var(--muted);background:var(--panel-strong)}.local-word-row input{width:100%;min-height:40px;padding:0 12px;color:var(--text);background:var(--control-bg);border:1px solid var(--control-border);border-radius:12px;outline:none}.local-word-delete{min-height:38px;color:var(--danger);background:transparent;border:1px solid color-mix(in srgb,var(--danger) 36%,transparent);border-radius:12px}@keyframes rise{0%{opacity:0;transform:translate3d(var(--dx, 0),0,0) scale(.72) rotate(-3deg)}12%,70%{opacity:1}to{opacity:0;transform:translate3d(calc(var(--dx, 0) + var(--drift, 0)),calc(-1 * var(--stage-height, 100vh) - 160px),0) scale(1.12) rotate(5deg)}}@keyframes pulse{50%{transform:scale(1.04);text-shadow:0 0 24px currentColor}}@keyframes shake{25%{transform:translate(-8px)}75%{transform:translate(8px)}}@keyframes hintFade{0%,to{opacity:0}35%,70%{opacity:1}}@keyframes caretBlink{0%,48%{opacity:1}49%,to{opacity:0}}@media(max-width:820px){.app-shell{padding:10px}.home-view,.workspace-view{grid-template-columns:1fr}.home-view{align-content:center;justify-items:center}.side-nav{display:flex;overflow-x:auto;border-right:0;border-bottom:1px solid var(--line)}.side-button{min-width:190px}.hud{grid-template-columns:repeat(2,minmax(0,1fr));left:10px;right:10px;top:10px}.study-meta,.study-meta-actions,.study-controls,.word-dialog-actions{align-items:stretch;flex-direction:column}.local-word-row{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){.view,.mode-panel,.study-result{animation:none;transition:none}}