:root{--paper:#f7f1e5;--paper-deep:#efe4d2;--ink:#211d19;--muted:#766d62;--line:rgba(58,48,37,0.16);--accent:#7b4f3a;--white:#fffaf1;--focus:rgba(123,79,58,0.24)}*{box-sizing:border-box}body,html{min-height:100%;margin:0}body{background:radial-gradient(circle at 50% 0,rgba(255,250,241,.9),transparent 34rem),linear-gradient(180deg,#efe4d2 0,var(--paper) 44%,#f5eddf 100%);color:var(--ink);font-family:Songti SC,"Noto Serif CJK SC","Source Han Serif SC",Iowan Old Style,Georgia,serif}button,input,textarea{font:inherit}.page-shell{width:min(100%,920px);min-height:100vh;margin:0 auto;padding:30px 26px 92px}.topline{display:flex;align-items:center;justify-content:space-between;margin-bottom:54px}.brand{color:var(--ink);font-size:18px;letter-spacing:0}.quiet-button{border:0;background:transparent;color:var(--muted);cursor:pointer;padding:8px 0}.today-panel{margin:0 auto;width:min(100%,720px)}.guide{margin:0 0 34px;color:var(--muted);font-size:18px;line-height:2}h1{margin:0 0 44px;color:var(--ink);font-size:clamp(32px,6vw,58px);font-weight:500;letter-spacing:0;line-height:1.45}.answer-form{display:grid;gap:22px}textarea{min-height:220px;width:100%;resize:vertical;border:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);outline:none;background:rgba(255,250,241,.44);color:var(--ink);padding:25px 4px;font-size:21px;line-height:1.9}input::placeholder,textarea::placeholder{color:rgba(118,109,98,.78)}.actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}button{appearance:none;-webkit-tap-highlight-color:transparent;cursor:pointer}.thought-button{position:relative;display:inline-grid;grid-template-columns:1fr 14px;align-items:center;justify-items:center;min-width:150px;min-height:46px;border:1px solid rgba(33,29,25,.2);border-radius:999px;padding:11px 18px;font-size:16px;line-height:1.4;letter-spacing:0;transition:background-color .16s ease,border-color .16s ease,color .16s ease,opacity .16s ease,box-shadow .16s ease}.thought-button-primary{background:var(--ink);color:var(--white)}.thought-button-secondary{background:rgba(255,250,241,.36);color:var(--ink)}.thought-button:hover:not(:disabled){border-color:rgba(33,29,25,.36);box-shadow:0 6px 18px rgba(58,48,37,.08)}.thought-button-primary:hover:not(:disabled){background:#2d2823}.thought-button-secondary:hover:not(:disabled){background:rgba(255,250,241,.66)}.thought-button:focus-visible{outline:0;box-shadow:0 0 0 4px var(--focus),0 6px 18px rgba(58,48,37,.08)}.thought-button:disabled{cursor:wait}.thought-button:disabled:not([data-loading=true]){cursor:default;opacity:.42}.thought-button[data-loading=true]{opacity:.92}.loading-mark{width:6px;height:6px;border-radius:999px;opacity:0}.thought-button[data-loading=true] .loading-mark{opacity:1;animation:quietPulse 1.1s ease-in-out infinite}.thought-button-primary .loading-mark{background:rgba(255,250,241,.8)}.thought-button-secondary .loading-mark{background:rgba(33,29,25,.56)}.echo{display:grid;gap:24px;margin-top:54px;padding:30px 0 0;border-top:1px solid var(--line);color:var(--ink)}.form-note{margin:-8px 0 0;color:var(--muted);font-size:15px;line-height:1.8}@keyframes quietPulse{0%,to{transform:scale(.78);opacity:.32}50%{transform:scale(1);opacity:.88}}.echo p{margin:0;font-size:18px;line-height:1.9}.echo .echo-title{margin-bottom:8px;color:var(--muted);font-size:14px}.bottom-nav{position:fixed;left:50%;bottom:18px;display:grid;grid-template-columns:repeat(4,minmax(56px,1fr));gap:6px;width:min(440px,calc(100% - 44px));transform:translateX(-50%);border:1px solid rgba(58,48,37,.12);border-radius:999px;background:rgba(255,250,241,.82);padding:8px;color:var(--muted);backdrop-filter:blur(16px)}.bottom-nav span{text-align:center;font-size:14px;line-height:32px}.bottom-nav .active{color:var(--ink)}.login-shell{display:grid;place-items:center;padding-bottom:30px}.login-panel{width:min(100%,420px)}.login-panel .brand{margin-bottom:48px}.login-form{display:grid;gap:14px}input{width:100%;border:0;border-bottom:1px solid var(--line);outline:none;background:transparent;color:var(--ink);padding:14px 0;font-size:22px}@media (max-width:640px){.page-shell{padding:24px 22px 86px}.topline{margin-bottom:44px}.guide{margin-bottom:28px;font-size:16px}h1{margin-bottom:34px}textarea{min-height:240px;font-size:19px}.actions{display:grid}button{width:100%}.thought-button{min-width:0}}