:root{color-scheme:light;--paper:#f6f1e8;--ink:#2b2a28;--muted:#948b7e;--gold:#a3741f;--line:#e8e1d3;--card:#fffdf8;--vh:100dvh;--top:0px;--night:#06070b}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;height:100%;overflow:hidden;overscroll-behavior:none}body{background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px}button,textarea,select{font:inherit}button{cursor:pointer;border:0;color:inherit;background:none;min-height:44px;touch-action:manipulation}button:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--gold);outline-offset:3px}[hidden]{display:none!important}button:disabled{cursor:default;opacity:.55}h1,h2,p{margin:0}h1,h2{font-family:"Songti SC","Noto Serif SC",SimSun,serif}h1{font-size:25px}h2{font-size:22px;font-weight:500}#app{position:fixed;left:0;right:0;top:var(--top);height:var(--vh);overflow:hidden;isolation:isolate}.screen{position:absolute;inset:0}.icon{min-width:44px;flex:none;border-radius:50%;font-size:27px;line-height:1}#day{display:flex;flex-direction:column;background:linear-gradient(180deg,#e6ebf2 0%,#f1efea 26%,#f6f1e8 100%)}.day-bar,.settings-bar,.night-bar{flex:none;display:flex;gap:10px;align-items:center;padding:calc(env(safe-area-inset-top) + 12px) max(18px,env(safe-area-inset-right)) 10px max(20px,env(safe-area-inset-left))}.who{flex:1}.who h1{letter-spacing:.12em}.who span{display:block;font-size:12px;color:var(--muted);margin-top:3px}.memory-pill{border-radius:999px;background:var(--ink);color:var(--paper);padding:0 17px;white-space:nowrap;font-size:14px}.demo-note{padding:0 22px 10px;font-size:11px;color:#7c7468;letter-spacing:.07em;flex:none}#feed{flex:1;min-height:0;overflow:auto;overscroll-behavior-y:contain;-webkit-overflow-scrolling:touch;padding:10px max(20px,env(safe-area-inset-left)) 18px;display:flex;flex-direction:column;gap:15px;scrollbar-width:thin}.msg{max-width:85%;line-height:1.75;border-radius:22px;padding:12px 16px;font-size:17px;white-space:pre-wrap;overflow-wrap:anywhere;flex:none;font-family:"Songti SC","Noto Serif SC",SimSun,serif}.msg.user{align-self:flex-end;background:var(--ink);color:var(--paper);border-top-right-radius:6px}.msg.assistant{align-self:flex-start;background:var(--card);border:1px solid var(--line);border-top-left-radius:6px}.msg .ref{border-bottom:1px dashed var(--gold);font:inherit;padding:0;min-height:44px;display:inline;color:inherit}.message-label{display:block;color:var(--muted);font-size:11px;margin-top:7px;font-family:-apple-system,sans-serif}.gap{color:#a49b8d;text-align:center;font-size:11px;letter-spacing:.14em;margin:6px 0}.welcome{font-size:13px;color:#857a67;text-align:center;line-height:1.9;padding:12px 10px;flex:none}#composer{display:flex;gap:10px;align-items:flex-end;padding:10px max(20px,env(safe-area-inset-right)) max(12px,env(safe-area-inset-bottom)) max(20px,env(safe-area-inset-left));flex:none;background:linear-gradient(0deg,var(--paper),#f6f1e8e8)}body.keyboard #composer{padding-bottom:10px}textarea{display:block;flex:1;min-width:0;resize:none;max-height:128px;min-height:48px;padding:12px 17px;border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:25px;line-height:1.45;font-size:16px;overscroll-behavior:contain}textarea::placeholder{color:#a49b8d}.send{width:48px;height:48px;min-width:48px;border-radius:50%;background:var(--ink);color:var(--paper);font-size:27px}.paper-screen{display:flex;flex-direction:column;background:linear-gradient(#e6ebf2,var(--paper) 28%)}.settings-bar{justify-content:space-between}.settings-bar>span{font-size:11px;color:var(--muted)}.settings-scroll{overflow:auto;flex:1;min-height:0;padding:20px max(22px,env(safe-area-inset-left)) calc(28px + env(safe-area-inset-bottom));overscroll-behavior:contain;-webkit-overflow-scrolling:touch}.intro{color:var(--muted);font-size:14px;margin:12px 0 28px}.section-title{font-family:inherit;font-size:12px;color:#918571;margin:24px 4px 9px;font-weight:400;letter-spacing:.08em}.setting-group{background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden}.setting-row{display:flex;justify-content:space-between;align-items:center;gap:14px;width:100%;min-height:57px;padding:13px 16px;border-bottom:1px solid var(--line);text-align:left;font-size:15px}.setting-row:last-child{border:0}.setting-row span{color:var(--muted);font-size:13px}.setting-row select{border:0;background:transparent;color:var(--gold);font-size:16px;max-width:55%;min-height:44px}.fineprint{font-size:13px;line-height:1.9;color:#8e8577;margin:24px 4px}.version{font-size:11px;letter-spacing:.08em;color:#a49b8d;margin:24px 4px}#night{background:var(--night);color:#dfe6f2}#graph{position:absolute;inset:0;width:100%;height:100%;border:0}.night-bar{position:relative;z-index:2;pointer-events:none;padding-top:calc(env(safe-area-inset-top) + 12px)}.night-bar>*{pointer-events:auto}.night-bar>div{display:flex;align-items:baseline;gap:12px;flex:1;white-space:nowrap}.night-bar h1{font-size:22px;font-weight:400;letter-spacing:.2em}.night-bar span{font-size:11px;color:#6f7a90}.night-pill{border:1px solid #ffffff16;background:#ffffff0b;color:#dfe6f2;border-radius:999px;padding:0 13px;font-size:12px}.night-bar .icon{font-size:24px;padding:0;min-width:44px}.graph-list-button{position:absolute;bottom:calc(52px + env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);color:#a5afc1;background:#111827bb;border:1px solid #ffffff18;border-radius:999px;padding:0 19px;font-size:12px;z-index:2}#night-demo{position:absolute;bottom:calc(12px + env(safe-area-inset-bottom));left:0;right:0;pointer-events:none;text-align:center;font-size:10px;letter-spacing:.12em;color:#929aab;z-index:3}#dusk{position:absolute;inset:0;pointer-events:none;opacity:0;background:linear-gradient(175deg,#c69f87,#684e6b 45%,#1d263d);z-index:5}#overlay{position:absolute;inset:0;z-index:10;display:flex;align-items:flex-end;padding:12px 12px max(12px,env(safe-area-inset-bottom))}.scrim{position:absolute;inset:0;background:#16131055}#sheet,.night-sheet{position:relative;width:100%;background:var(--card);border:1px solid var(--line);border-radius:26px;padding:8px 22px 24px;max-height:85%;overflow:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;box-shadow:0 20px 80px #0002}.sheet-heading{display:flex;gap:10px;align-items:center;justify-content:space-between;margin:6px 0 12px}.grab{width:38px;height:4px;margin:0 auto 10px;border-radius:4px;background:var(--line)}#sheet-body{font-size:15px;line-height:1.9;white-space:pre-line;overflow-wrap:anywhere}#sheet-body button{display:block;width:100%;text-align:left;border-bottom:1px solid var(--line);padding:12px 2px}.danger{color:#9a4b35!important}.night-sheet{position:absolute;z-index:4;bottom:calc(48px + env(safe-area-inset-bottom));left:12px;right:12px;width:auto;color:#dfe6f2;background:#0c111cf5;border-color:#ffffff18;max-height:65%}#memory-buttons button{display:block;width:100%;text-align:left;padding:12px 4px;border-top:1px solid #ffffff12;font-size:15px}.night-sheet .icon{color:#dfe6f2}#notice{position:absolute;z-index:20;bottom:calc(84px + env(safe-area-inset-bottom));left:20px;right:20px;padding:12px 17px;background:var(--card);border:1px solid var(--line);box-shadow:0 6px 25px #0002;border-radius:17px;font-size:13px;line-height:1.6;pointer-events:none}#update{position:absolute;top:calc(env(safe-area-inset-top) + 2px);left:50%;transform:translateX(-50%);z-index:30;white-space:nowrap;background:var(--card);border:1px solid var(--line);border-radius:99px;padding:0 17px;font-size:13px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}body.night{background:var(--night)}body.night #overlay{--card:#10151f;--line:#252c38;color:#dfe6f2}body.night #notice{background:#10151f;border-color:#252c38;color:#dfe6f2}
@media(min-width:700px){.day-bar,.settings-bar,#feed,#composer,.settings-scroll{padding-left:max(24px,calc((100vw - 650px)/2));padding-right:max(24px,calc((100vw - 650px)/2))}.night-bar{padding-left:28px;padding-right:28px}#sheet{max-width:600px;margin:auto auto 0}#memory-list{max-width:500px;left:50%;transform:translateX(-50%);width:calc(100% - 24px)}}
@media(max-height:480px) and (orientation:landscape){.day-bar,.night-bar,.settings-bar{padding-top:max(4px,env(safe-area-inset-top));padding-bottom:4px}.who span,.demo-note{display:none}.msg{font-size:15px}.night-bar h1{font-size:19px}.graph-list-button{left:auto;right:max(14px,env(safe-area-inset-right));transform:none;bottom:max(10px,env(safe-area-inset-bottom))}}

#update{top:auto;bottom:calc(100px + env(safe-area-inset-bottom));box-shadow:0 4px 20px #0002}
#night-demo{top:calc(68px + env(safe-area-inset-top));bottom:auto;text-align:left;left:max(22px,env(safe-area-inset-left));right:22px;font-size:10px;color:#808b9e}

/* Compact chat chrome: reserve the safe area once, then one 44px touch row. */
:root{--safe-top:env(safe-area-inset-top,0px)}
body:not(.night){background:#e6ebf2}
.day-bar{gap:8px;padding:calc(var(--safe-top) + 4px) max(12px,env(safe-area-inset-right)) 4px max(16px,env(safe-area-inset-left))}
.day-bar .who{display:flex;align-items:center;gap:7px;min-width:0}
.day-bar .who h1{font-size:20px;line-height:1.2;white-space:nowrap}
.day-bar .who .demo-mark{display:inline;margin:0;font-size:10px;line-height:1.2;letter-spacing:0;color:#8c8170;white-space:nowrap}
.day-bar .memory-pill{padding:0 13px;font-size:13px}
@media(min-width:700px){.day-bar{padding-left:max(24px,calc((100vw - 650px)/2));padding-right:max(24px,calc((100vw - 650px)/2))}}