:root{--font-sans:-apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-mono:"SF Mono", "Roboto Mono", Menlo, Consolas, monospace;--bg-primary:#f2f2f7;--bg-card:#ffffffe0;--bg-card-solid:#fff;--bg-card-subtle:#f8f8fa;--bg-elevated:#fff;--text-primary:#1c1c1e;--text-secondary:#636366;--text-tertiary:#8e8e93;--text-quaternary:#aeaeb2;--accent:#007aff;--accent-soft:#007aff1f;--emerald:#34c759;--emerald-soft:#34c75924;--amber:#ff9500;--amber-soft:#ff950024;--coral:#ff3b30;--coral-soft:#ff3b301f;--indigo:#5856d6;--indigo-soft:#5856d61f;--teal:#30b0c7;--teal-soft:#30b0c71f;--border:#3c3c4314;--border-strong:#3c3c4329;--shadow-sm:0 2px 8px #0000000a;--shadow-md:0 8px 24px #0000000f;--shadow-lg:0 16px 36px #00000017;--blur-card:blur(20px);--radius-sm:10px;--radius-md:16px;--radius-lg:22px;--radius-full:9999px;--safe-bottom:env(safe-area-inset-bottom,16px);--safe-top:env(safe-area-inset-top,0px)}[data-theme=dark]{--bg-primary:#000;--bg-card:#1c1c1ed9;--bg-card-solid:#1c1c1e;--bg-card-subtle:#2c2c2e;--bg-elevated:#2c2c2e;--text-primary:#fff;--text-secondary:#8e8e93;--text-tertiary:#636366;--text-quaternary:#48484a;--accent:#0a84ff;--accent-soft:#0a84ff33;--emerald:#30d158;--emerald-soft:#30d15833;--amber:#ff9f0a;--amber-soft:#ff9f0a33;--coral:#ff453a;--coral-soft:#ff453a33;--indigo:#5e5ce6;--indigo-soft:#5e5ce633;--teal:#40cbe0;--teal-soft:#40cbe033;--border:#ffffff14;--border-strong:#ffffff29;--shadow-sm:0 2px 10px #0006;--shadow-md:0 8px 30px #00000080;--shadow-lg:0 16px 40px #0009}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-user-select:none;user-select:none;min-height:100vh;line-height:1.45;overflow-x:hidden}.app-viewport{background-color:var(--bg-primary);flex-direction:column;max-width:460px;min-height:100vh;margin:0 auto;display:flex;position:relative;box-shadow:0 0 50px #0000000d}.app-header{z-index:40;background:var(--bg-card-solid);border-bottom:.5px solid var(--border);padding:calc(var(--safe-top) + 12px) 18px 12px 18px;justify-content:space-between;align-items:center;display:flex;position:sticky;top:0}.brand-wrapper{align-items:center;gap:10px;display:flex}.brand-title-box{align-items:center;display:flex}.brand-title{letter-spacing:-.035em;color:var(--text-primary);font-size:21px;font-weight:750;line-height:1.2}.vault-pill-btn{border-radius:var(--radius-full);background:var(--bg-card-subtle);border:.5px solid var(--border-strong);color:var(--text-secondary);cursor:pointer;align-items:center;gap:5px;padding:4px 10px;font-size:11px;font-weight:600;transition:all .18s cubic-bezier(.4,0,.2,1);display:inline-flex}.vault-pill-btn:active{background:var(--border);transform:scale(.94)}.vault-dot{background:var(--text-quaternary);border-radius:50%;width:6px;height:6px}.vault-dot.active{background:var(--emerald);box-shadow:0 0 6px #34c75999}.header-actions{align-items:center;gap:8px;display:flex}.icon-button{border-radius:var(--radius-full);background:var(--bg-card-subtle);border:1px solid var(--border);width:36px;height:36px;color:var(--text-secondary);cursor:pointer;justify-content:center;align-items:center;transition:all .18s cubic-bezier(.4,0,.2,1);display:flex}.icon-button:active{background:var(--border-strong);transform:scale(.92)}.app-content{padding:16px 16px calc(var(--safe-bottom) + 90px) 16px;flex-direction:column;flex:1;gap:16px;display:flex}.card{background:var(--bg-card-solid);border:.5px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:18px;transition:transform .2s cubic-bezier(.4,0,.2,1),box-shadow .2s;position:relative}.card-hero{background:linear-gradient(145deg, var(--bg-card-solid) 0%, var(--bg-card-subtle) 100%);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:22px}.hero-label{color:var(--text-secondary);letter-spacing:-.2px;margin-bottom:4px;font-size:13px;font-weight:500}.hero-number{letter-spacing:-1.2px;color:var(--text-primary);align-items:baseline;gap:4px;font-size:38px;font-weight:800;line-height:1.1;display:flex}.hero-unit{color:var(--text-secondary);letter-spacing:normal;font-size:15px;font-weight:500}.hero-subtext{color:var(--text-tertiary);margin-top:8px;font-size:12px}.segmented-control{background:var(--bg-card-subtle);border-radius:var(--radius-sm);border:.5px solid var(--border);gap:2px;padding:3px;display:flex}.segment-item{text-align:center;color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:8px;flex:1;padding:7px 0;font-size:13px;font-weight:500;transition:all .2s cubic-bezier(.4,0,.2,1)}.segment-item.active{background:var(--bg-card-solid);color:var(--text-primary);font-weight:600;box-shadow:0 1px 4px #00000014}.tab-navigation{z-index:50;background:var(--bg-card-solid);border-top:.5px solid var(--border);width:100%;max-width:460px;padding:8px 12px calc(var(--safe-bottom) + 4px) 12px;justify-content:space-around;align-items:center;display:flex;position:fixed;bottom:0;left:50%;transform:translate(-50%);box-shadow:0 -2px 10px #0000000a}.tab-btn{color:var(--text-tertiary);cursor:pointer;border-radius:var(--radius-sm);background:0 0;border:none;flex-direction:column;justify-content:center;align-items:center;gap:3px;padding:4px 12px;font-size:10px;font-weight:500;transition:all .2s cubic-bezier(.4,0,.2,1);display:flex}.tab-btn.active{color:var(--accent)}.tab-btn:active{transform:scale(.9)}.fab-btn{bottom:calc(var(--safe-bottom) + 70px);z-index:45;border-radius:var(--radius-full);background:var(--accent);color:#fff;cursor:pointer;border:none;justify-content:center;align-items:center;width:52px;height:52px;transition:transform .2s cubic-bezier(.4,0,.2,1),box-shadow .2s;display:flex;position:fixed;right:calc(50% - 210px);box-shadow:0 8px 24px #007aff59}@media (width<=460px){.fab-btn{right:20px}}.fab-btn:active{transform:scale(.92);box-shadow:0 4px 12px #007aff40}.item-card{background:var(--bg-card-solid);border-radius:var(--radius-md);border:.5px solid var(--border);box-shadow:var(--shadow-sm);cursor:pointer;flex-direction:column;gap:12px;padding:16px;transition:transform .18s cubic-bezier(.4,0,.2,1),box-shadow .18s;display:flex}.item-card:active{transform:scale(.985)}.item-header{justify-content:space-between;align-items:center;display:flex}.item-title-group{align-items:center;gap:10px;display:flex}.item-icon-box{border-radius:var(--radius-sm);background:var(--bg-card-subtle);border:.5px solid var(--border);width:40px;height:40px;color:var(--accent);flex-shrink:0;justify-content:center;align-items:center;display:flex}.item-name{color:var(--text-primary);font-size:15px;font-weight:600;line-height:1.25}.item-category-tag{color:var(--text-tertiary);margin-top:2px;font-size:11px}.item-daily-cost-box{text-align:right}.daily-cost-amount{letter-spacing:-.5px;color:var(--text-primary);font-size:18px;font-weight:700;line-height:1.1}.daily-cost-unit{color:var(--text-tertiary);font-size:11px}.progress-container{flex-direction:column;gap:6px;display:flex}.progress-track{border-radius:var(--radius-full);background:var(--bg-card-subtle);width:100%;height:6px;position:relative;overflow:hidden}.progress-fill{border-radius:var(--radius-full);height:100%;transition:width .6s cubic-bezier(.4,0,.2,1)}.progress-fill.paid-off{background:var(--emerald)}.progress-fill.in-progress{background:var(--accent)}.progress-meta{color:var(--text-secondary);justify-content:space-between;align-items:center;font-size:11px;display:flex}.badge{border-radius:var(--radius-full);letter-spacing:.1px;align-items:center;gap:4px;padding:3px 8px;font-size:11px;font-weight:600;display:inline-flex}.badge-emerald{background:var(--emerald-soft);color:var(--emerald)}.badge-amber{background:var(--amber-soft);color:var(--amber)}.badge-coral{background:var(--coral-soft);color:var(--coral)}.badge-accent{background:var(--accent-soft);color:var(--accent)}.grid-2{grid-template-columns:repeat(2,1fr);gap:12px;display:grid}.grid-3{grid-template-columns:repeat(3,1fr);gap:8px;display:grid}.metric-tile{background:var(--bg-card-subtle);border-radius:var(--radius-sm);border:.5px solid var(--border);flex-direction:column;gap:2px;padding:12px;display:flex}.metric-title{color:var(--text-tertiary);font-size:11px;font-weight:500}.metric-value{color:var(--text-primary);letter-spacing:-.3px;font-size:16px;font-weight:700}.modal-overlay{z-index:100;-webkit-backdrop-filter:blur(8px);background:#00000073;flex-direction:column;justify-content:flex-end;animation:.25s ease-out fadeIn;display:flex;position:fixed;inset:0}.modal-sheet{background:var(--bg-card-solid);border-top-left-radius:var(--radius-lg);border-top-right-radius:var(--radius-lg);width:100%;max-width:460px;max-height:90vh;box-shadow:var(--shadow-lg);flex-direction:column;margin:0 auto;animation:.3s cubic-bezier(.16,1,.3,1) slideUp;display:flex;overflow:hidden}.modal-header{border-bottom:.5px solid var(--border);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.modal-title{letter-spacing:-.3px;font-size:17px;font-weight:700}.modal-body{flex-direction:column;gap:16px;padding:20px;display:flex;overflow-y:auto}.form-group{flex-direction:column;gap:6px;display:flex}.form-label{color:var(--text-secondary);font-size:12px;font-weight:600}.form-input,.form-select,.form-textarea{border-radius:var(--radius-sm);background:var(--bg-card-subtle);border:1px solid var(--border);width:100%;color:var(--text-primary);outline:none;padding:12px 14px;font-family:inherit;font-size:15px;transition:border-color .2s}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--accent);background:var(--bg-card-solid)}.btn-primary{border-radius:var(--radius-md);background:var(--accent);color:#fff;cursor:pointer;border:none;width:100%;padding:14px 0;font-size:16px;font-weight:600;transition:all .18s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 16px #007aff4d}.btn-primary:active{transform:scale(.98)}.btn-secondary{border-radius:var(--radius-md);background:var(--bg-card-subtle);width:100%;color:var(--text-primary);border:.5px solid var(--border);cursor:pointer;padding:12px 0;font-size:15px;font-weight:600}.btn-danger{background:var(--coral-soft);color:var(--coral);border-radius:var(--radius-md);cursor:pointer;border:none;padding:12px 0;font-size:14px;font-weight:600}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.empty-state{text-align:center;color:var(--text-tertiary);flex-direction:column;align-items:center;gap:12px;padding:40px 20px;display:flex}.empty-icon{border-radius:var(--radius-full);background:var(--bg-card-subtle);width:56px;height:56px;color:var(--text-quaternary);justify-content:center;align-items:center;display:flex}