:root{color-scheme:light;--bg: #f5efe5;--paper: rgba(255, 251, 245, .85);--ink: #1c1917;--muted: #6b625b;--accent: #d46a3a;--accent-deep: #8a3b1d;--line: rgba(28, 25, 23, .1);--success: #285943;--warn: #9a3412}*{box-sizing:border-box}body{margin:0;font-family:Space Grotesk,sans-serif;color:var(--ink);background:radial-gradient(circle at top left,rgba(212,106,58,.22),transparent 28%),radial-gradient(circle at bottom right,rgba(138,59,29,.18),transparent 26%),linear-gradient(135deg,#efe4d2,#f7f3ec 50%,#e9e1d4);min-height:100vh}button,input,select,textarea{font:inherit}.app-shell{max-width:1240px;margin:0 auto;padding:32px 20px 60px}.hero{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:24px}.hero h1{font-size:clamp(2.2rem,5vw,4.5rem);line-height:.95;margin:8px 0 12px;max-width:780px}.eyebrow{font-family:IBM Plex Mono,monospace;text-transform:uppercase;letter-spacing:.12em;color:var(--accent-deep);margin:0}.hero-copy,.card-head p,.mini-panel p,.settlement-row p,.table-row p,label span,.privacy-lock,.muted-line{color:var(--muted)}.hero-controls,.toolbar{display:flex;gap:12px;flex-wrap:wrap}.split{display:flex;justify-content:space-between;gap:12px;align-items:start}label{display:grid;gap:6px}select,input,textarea,button{border-radius:16px;border:1px solid var(--line);padding:12px 14px;background:#ffffffd9}textarea{min-height:92px;resize:vertical}button{background:linear-gradient(135deg,var(--accent),var(--accent-deep));color:#fff;font-weight:700;cursor:pointer}.ghost-button{background:#ffffffb8;color:var(--ink)}.status-banner{margin-bottom:16px;padding:14px 16px;border-radius:16px;background:#ffffffd9;border:1px solid var(--line)}.grid{display:grid;gap:18px;margin-bottom:18px}.two-up{grid-template-columns:repeat(2,minmax(0,1fr))}.three-up{grid-template-columns:repeat(3,minmax(0,1fr))}.card{border:1px solid rgba(28,25,23,.08);background:var(--paper);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-radius:26px;padding:20px;box-shadow:0 14px 40px #5a3a2114}.card-head h2,.mini-panel h3,.subpanel h3{margin:0 0 4px}.stats,.budget-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.inline-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.stat,.mini-panel,.subpanel,.privacy-lock{padding:16px;border-radius:20px;background:#ffffffb8;border:1px solid var(--line)}.stat span{display:block;margin-bottom:8px;color:var(--muted)}.stat strong{font-size:1.5rem}.mini-list,.settlement-list,.tableish,.expense-form{display:grid;gap:12px}.settlement-row,.table-row{display:flex;justify-content:space-between;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}.settlement-row:last-child,.table-row:last-child{border-bottom:0}.stacked-row{gap:16px;align-items:center}.pill{align-self:center;padding:8px 12px;border-radius:999px;font-family:IBM Plex Mono,monospace;font-size:.85rem;white-space:nowrap}.pill.receive{background:#2859431f;color:var(--success)}.pill.pay{background:#9a34121f;color:var(--warn)}.pill.settled{background:#1c191714}.toggle{display:flex;align-items:center;gap:10px}.toggle input{width:18px;height:18px;margin:0}.upload-button{position:relative;overflow:hidden;display:inline-flex;align-items:center;justify-content:center;min-width:150px;padding:12px 14px;border-radius:16px;border:1px solid var(--line);background:#ffffffd9;cursor:pointer}.upload-button input{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;cursor:pointer}.upload-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.upload-list a{color:var(--accent-deep);text-decoration:none;font-family:IBM Plex Mono,monospace;font-size:.85rem}.chat-log{display:grid;gap:10px;margin-bottom:12px;max-height:320px;overflow:auto}.chat-bubble{padding:14px;border-radius:18px;border:1px solid var(--line);background:#ffffffb8}.chat-bubble.user{background:#d46a3a1f}.chat-bubble p{margin:6px 0 0}.action-list{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}.action-list small{padding:4px 8px;border-radius:999px;background:#1c191714;font-family:IBM Plex Mono,monospace}.wide-upload{width:100%;margin-top:8px}.auth-shell{min-height:100vh;display:grid;place-items:center}.auth-card{width:min(520px,100%)}@media (max-width: 900px){.hero,.settlement-row,.table-row{flex-direction:column;align-items:stretch}.two-up,.three-up,.stats,.budget-grid,.inline-grid{grid-template-columns:1fr}.split{flex-direction:column}}