:root{--paper:#fbf1dc;--ink:#2d251b;--muted:#746752;--green:#4d8b5c;--green-dark:#2e6843;--line:#e0cda6;--cream:#fff9ed;--shadow:0 14px 34px rgba(80,61,32,.13);--radius:8px}
*{box-sizing:border-box}html,body{min-width:0;overflow-x:hidden}body{margin:0;background:radial-gradient(circle at top left,rgba(255,224,144,.35),transparent 30rem),radial-gradient(circle at top right,rgba(72,93,72,.16),transparent 34rem),var(--paper);color:var(--ink);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;letter-spacing:0}button,textarea,select{font:inherit}a{color:var(--green-dark)}
.site-header{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px clamp(14px,3vw,34px);border-bottom:1px solid var(--line);background:rgba(255,249,237,.9);position:relative;z-index:2}.brand{font-weight:900;text-decoration:none;color:var(--ink)}.site-nav{display:flex;gap:12px;flex-wrap:wrap;font-size:.92rem}.site-nav a{text-decoration:none}.page-shell{width:min(1540px,100%);margin:0 auto;display:grid;grid-template-columns:minmax(150px,210px) minmax(0,920px) minmax(150px,210px);gap:24px;padding:18px clamp(12px,2vw,26px) 0}.main-column{min-width:0}.ad-rail{min-height:260px;border:1px dashed #d6bf92;border-radius:8px;color:#9a865d;display:grid;place-items:center;background:rgba(255,250,239,.54);font-size:.86rem}
.mode-title,.control-bar,.input-panel,.metrics-grid,.result-panel,.related-panel,.prompt-list{border:1px solid var(--line);border-radius:var(--radius);background:rgba(255,249,237,.93);box-shadow:var(--shadow)}.mode-title{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:18px;padding:14px 18px;margin-bottom:10px}.eyebrow{margin:0;color:var(--green-dark);font-size:.75rem;font-weight:800;letter-spacing:.08em}.mode-title h1{margin:0 0 2px;font-size:clamp(1.45rem,2.35vw,2.08rem);line-height:1.08}.mode-title p:last-child{margin:0;color:var(--muted)}
.control-bar{display:flex;align-items:center;justify-content:flex-end;gap:10px;flex-wrap:wrap;padding:10px 12px;margin-bottom:12px}.toggle-field,.select-field{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:.93rem}.select-field select{min-height:36px;border:1px solid #cbb58c;border-radius:999px;background:#fffdf6;color:var(--ink);padding:0 28px 0 12px}textarea{border:1px solid #cbb58c;border-radius:7px;background:#fffdf6;color:var(--ink)}button{min-height:38px;padding:0 15px;border-radius:999px;border:1px solid transparent;cursor:pointer;font-weight:700}button:disabled{cursor:not-allowed;opacity:.56}.primary-button{background:var(--green);color:#fffdf7;border-color:var(--green-dark)}.ghost-button{background:#fff8e9;color:var(--green-dark);border-color:#cbb58c}
.gravity-panel{border-radius:8px;border:1px solid #d8c295;background:linear-gradient(180deg,#fff7e7,#f4e4c3);padding:12px;margin-bottom:12px;box-shadow:var(--shadow)}.status-strip{min-height:42px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:8px 12px;margin-bottom:9px;border-radius:7px;background:#43533f;color:#fff7dc}.status-strip strong{font-size:.82rem;letter-spacing:.08em;color:#c5efbd}.status-strip span{line-height:1.35}.status-strip span:last-child{color:#e7dcc1;font-size:.9rem}.gravity-stage{position:relative;overflow:hidden;min-height:330px;border-radius:8px;border:1px solid #b99a68;background:linear-gradient(180deg,#f9efd8 0%,#f0dcae 100%);display:grid;place-items:start center;padding:22px}.height-lines{position:absolute;inset:18px;background:repeating-linear-gradient(180deg,rgba(122,103,66,.16) 0 1px,transparent 1px 52px);pointer-events:none}.falling-card{position:relative;z-index:1;width:min(720px,100%);min-height:150px;border-radius:8px;border:1px solid #d2b176;background:linear-gradient(180deg,#fffaf0,#f8e7bf);box-shadow:0 16px 32px rgba(94,70,36,.16);padding:17px;transform:translate3d(0,var(--fall-y,0px),0) rotate(var(--fall-rotate,0deg));transition:transform .08s linear}.card-header{display:flex;justify-content:space-between;gap:12px;color:#8b7857;font-size:.78rem;font-weight:900;letter-spacing:.08em}.document-label{margin:12px 0 8px;color:#6b5b3f;font-weight:900;font-size:.82rem;letter-spacing:.1em}.document-text{margin:0;min-height:3.8em;display:grid;place-items:center;text-align:center;font-size:clamp(1.28rem,2.4vw,2.1rem);font-weight:850;line-height:1.55}.floor-line{position:absolute;left:18px;right:18px;bottom:22px;height:28px;border-top:4px solid rgba(83,75,53,.44);color:#806f4c;font-size:.72rem;font-weight:900;letter-spacing:.1em;display:flex;justify-content:flex-end;align-items:flex-end}.floor-line::before{content:"";position:absolute;inset:4px 0 0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.32),transparent)}.stamp{position:absolute;right:18px;bottom:18px;border:3px solid #4f8d60;color:#2d7044;border-radius:7px;padding:6px 12px;font-weight:900;letter-spacing:.08em;transform:rotate(-5deg);background:rgba(255,255,255,.62)}.stamp.is-fail{border-color:#8d673f;color:#7b4e24}.gravity-stage.is-complete .falling-card{transform:translate3d(0,70px,0) rotate(0deg)}
.height-meter{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:10px;align-items:center;margin-top:10px;color:#4f4635;font-weight:800}.height-meter-track{height:12px;border-radius:99px;overflow:hidden;background:#d8c195;border:1px solid #bfa676}.height-meter-track i{display:block;height:100%;width:100%;border-radius:inherit;background:linear-gradient(90deg,#e47b4d,#e6c460,#67ad78);transform-origin:left center;transform:scaleX(var(--height-left,1));transition:transform .08s linear}
.input-panel{padding:12px 14px;margin-bottom:12px}.input-heading{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin-bottom:8px}.input-heading h2{font-size:1rem;margin:0}.input-heading p{margin:0;color:var(--muted);font-size:.9rem}#typing-input{width:100%;min-height:76px;resize:vertical;padding:12px;font-size:1rem;line-height:1.55}.next-row{margin-top:8px}.metrics-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;padding:10px}.metric-card{min-width:0;padding:10px;border-radius:7px;background:#fffdf6;border:1px solid #eadab9}.metric-card span,.result-grid span{display:block;color:var(--muted);font-size:.8rem}.metric-card strong,.result-grid strong{display:block;margin:4px 0;font-size:1.05rem}.metric-card small,.result-grid small{color:#7d6d55;font-size:.76rem}.metrics-grid.is-hidden{display:none}
.result-panel,.related-panel,.prompt-list{margin-top:14px;padding:16px}.result-panel.is-highlight{outline:3px solid rgba(77,139,92,.28)}.result-panel h2,.related-panel h2{margin:3px 0 6px}.result-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin:14px 0}.result-grid div{padding:10px;border-radius:7px;background:#fffdf6;border:1px solid #eadab9}.share-box textarea{width:100%;margin:8px 0 10px;padding:10px;resize:vertical}.button-row{display:flex;gap:10px;flex-wrap:wrap}.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.related-grid>*{padding:12px;border:1px solid #eadab9;border-radius:7px;background:#fffdf7;text-decoration:none}.prompt-list summary{cursor:pointer;font-weight:800}.prompt-list ul{margin:12px 0 0;padding-left:1.2rem}.site-footer{padding:18px clamp(14px,3vw,34px) 28px;color:var(--muted);font-size:.9rem}.site-footer p{margin:0 0 8px}.site-footer nav{display:flex;gap:12px;flex-wrap:wrap}
@media (min-width:1600px){.gravity-stage{min-height:370px}.document-text{font-size:2.25rem}}
@media (max-width:1100px){.page-shell{grid-template-columns:minmax(0,1fr)}.ad-rail{display:none}.metrics-grid,.result-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.site-header{align-items:flex-start;flex-direction:column}.page-shell{padding:12px 10px 0}.mode-title{grid-template-columns:1fr;padding:12px}.control-bar{justify-content:flex-start}.gravity-panel{padding:9px}.status-strip{font-size:.9rem}.gravity-stage{min-height:300px;padding:14px}.falling-card{min-height:140px;padding:14px}.document-text{font-size:1.26rem;line-height:1.58}.metrics-grid,.result-grid,.related-grid{grid-template-columns:1fr}#typing-input{min-height:74px}.input-heading{display:block}.input-heading p{margin-top:4px}.floor-line{left:12px;right:12px;bottom:16px}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{transition-duration:.001ms!important;animation-duration:.001ms!important;scroll-behavior:auto!important}.falling-card{transition:none}}