:root{color-scheme:light;--color-bg: #f2f6fc;--color-card: #ffffff;--color-border: #d6e2f5;--color-text: #16233d;--color-muted: #5b6f8f;--color-primary: #1d5fd6;--color-primary-contrast: #ffffff;--color-accent: #0f8f6f;--color-danger: #c23b3b;--color-success: #0f8f6f;font-family:Inter,-apple-system,BlinkMacSystemFont,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--color-bg);color:var(--color-text);-webkit-tap-highlight-color:transparent}h1,h2,h3{color:var(--color-primary);margin:0 0 .75rem}h1{font-size:1.5rem}h2{font-size:1.15rem}h3{font-size:1rem}a{color:var(--color-primary)}.splash{min-height:100vh;display:flex;align-items:center;justify-content:center;color:var(--color-muted)}.app{min-height:100vh;display:flex;flex-direction:column}.app-header{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1rem;border-bottom:1px solid var(--color-border);background:var(--color-card);gap:.5rem;flex-wrap:wrap;position:sticky;top:0;z-index:5}.content{flex:1;padding:1rem 1rem 3rem;max-width:720px;width:100%;margin:0 auto}.login-page{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1rem}.login-card{background:var(--color-card);border:1px solid var(--color-border);border-radius:16px;padding:2rem;width:100%;max-width:380px;display:flex;flex-direction:column;gap:.9rem;text-align:center;box-shadow:0 8px 24px #1d5fd61a}.login-logo{font-size:2.5rem}.hint{color:var(--color-muted);font-size:.85rem;margin:0}label{display:flex;flex-direction:column;gap:.3rem;text-align:left;font-size:.85rem;font-weight:600;color:var(--color-text)}.checkbox-row{flex-direction:row;align-items:center;gap:.5rem;font-weight:500}input,select,textarea{font:inherit;padding:.55rem .65rem;border:1px solid var(--color-border);border-radius:8px;background:var(--color-card);color:var(--color-text);width:100%}button{font:inherit;cursor:pointer;border-radius:8px;padding:.6rem 1rem;border:1px solid transparent}button.primary{background:var(--color-primary);color:var(--color-primary-contrast)}button.secondary{background:var(--color-card);border-color:var(--color-border);color:var(--color-text)}button.danger{background:var(--color-card);border-color:var(--color-danger);color:var(--color-danger)}button.link-btn{background:none;border:none;color:var(--color-primary);text-decoration:underline;padding:.2rem}button:disabled{opacity:.6;cursor:not-allowed}.form-error{color:var(--color-danger);font-size:.85rem}.card{background:var(--color-card);border:1px solid var(--color-border);border-radius:12px;padding:1rem;margin-bottom:1rem}.row{display:flex;align-items:center;justify-content:space-between;gap:.5rem}.stack{display:flex;flex-direction:column;gap:.6rem}.badge{display:inline-block;padding:.15rem 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var(--color-border)}.item-row:last-child{border-bottom:none}.item-name{flex:1;font-weight:600}.item-amount{color:var(--color-muted);font-variant-numeric:tabular-nums}.slot-grid{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.4rem}.slot-chip{border:1px solid var(--color-border);border-radius:999px;padding:.35rem .75rem;font-size:.8rem;background:var(--color-card);display:flex;align-items:center;gap:.3rem}.slot-chip.mine{background:var(--color-primary);color:var(--color-primary-contrast);border-color:var(--color-primary)}.slot-chip.empty{color:var(--color-muted);border-style:dashed}.member-chip{display:inline-flex;align-items:center;gap:.3rem;border:1px solid var(--color-border);border-radius:999px;padding:.3rem .7rem;font-size:.85rem;background:var(--color-card)}.icon{font-size:1.1rem;line-height:1}.settlement-line{display:flex;align-items:center;justify-content:space-between;padding:.6rem 0;border-bottom:1px solid var(--color-border)}.settlement-line.mine{font-weight:700;color:var(--color-primary)}.join-code-box{display:flex;align-items:center;justify-content:space-between;gap:.5rem;background:#1d5fd614;border:1px dashed var(--color-primary);border-radius:10px;padding:.75rem 1rem;font-size:1.1rem;font-weight:700;letter-spacing:.1em}.upload-box{border:2px dashed var(--color-border);border-radius:12px;padding:2rem 1rem;text-align:center;color:var(--color-muted)}@media print{.no-print{display:none!important}}