:root{--navy:#10273f;--blue:#1e68a5;--cyan:#42b9d4;--cream:#f6f1e7;--white:#fff;--ink:#183047;--muted:#718094;--green:#2fa777;--amber:#e3a638;--red:#d75b61;--shadow:0 18px 45px rgba(15,43,69,.12)}*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:Nunito,sans-serif;color:var(--ink);background:linear-gradient(145deg,#eef8fb,#f8f4eb 55%,#eef7f9);padding:env(safe-area-inset-top) 14px env(safe-area-inset-bottom)}button,input,select{font:inherit}.sky-orb{position:fixed;border-radius:50%;filter:blur(2px);opacity:.35;z-index:-1}.orb-one{width:320px;height:320px;background:#7bd7e7;top:-150px;right:-80px}.orb-two{width:260px;height:260px;background:#f8d48d;bottom:-140px;left:-80px}.app-shell{width:min(880px,100%);margin:auto;padding:30px 0 80px}.topbar{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:24px}.top-actions{display:flex;gap:9px}.topbar h1{font-size:clamp(28px,5vw,42px);margin:2px 0 0;color:var(--navy)}.topbar p{margin:6px 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rgba(30,104,165,.24)}.text-btn{display:block;border:0;background:none;color:var(--blue);font-weight:900;margin:14px auto 0;cursor:pointer}.text-btn.compact{margin:0}.hidden{display:none!important}.trip-heading{display:flex;justify-content:space-between;align-items:end;margin:5px 0 16px}.trip-heading h2{margin:8px 0 0;font-size:28px}.pill{display:inline-flex;background:#e5f5f8;color:var(--blue);padding:7px 10px;border-radius:999px;font-size:12px;font-weight:900}.summary-grid{display:grid;grid-template-columns:1.5fr .8fr .9fr;gap:13px;margin-bottom:17px}.metric-card{background:rgba(255,255,255,.88);border-radius:21px;padding:20px;box-shadow:0 13px 30px rgba(15,43,69,.09);min-height:145px;display:flex;flex-direction:column}.metric-card small{font-weight:900;color:var(--muted)}.metric-card strong{font-size:26px;color:var(--navy);margin:7px 0}.metric-card span{font-size:12px;color:var(--muted);margin-top:auto}.primary-metric{background:linear-gradient(145deg,var(--navy),#194970);color:#fff}.primary-metric small,.primary-metric strong{color:#fff}.primary-metric span{color:#d4e9f3}.progress{height:7px;border-radius:20px;background:rgba(255,255,255,.18);margin-top:12px;overflow:hidden}.progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,#5ee0bf,#f5cc70);border-radius:inherit;transition:.3s}.add-money-btn{align-self:flex-start;border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.12);color:#fff;border-radius:999px;padding:7px 11px;margin-top:12px;font-size:11px;font-weight:900;cursor:pointer}.alert-box{border-radius:17px;padding:14px 17px;margin-bottom:17px;font-size:13px;font-weight:800;background:#fff1d8;color:#8d6414;border:1px solid #f2d799}.section-title{display:flex;justify-content:space-between;align-items:center}.section-title h3{margin:4px 0 0;font-size:22px}.spark{font-size:24px}.expense-grid{grid-template-columns:1.3fr .7fr}.category-summary{display:flex;gap:9px;overflow-x:auto;padding:14px 0 8px;scrollbar-width:none}.category-dashboard{margin-top:18px}.category-row{margin:0 0 16px}.category-row-head{display:flex;justify-content:space-between;gap:12px;font-size:13px;font-weight:900;margin-bottom:7px}.category-row-head strong{white-space:nowrap;color:var(--muted)}.category-bar{height:9px;background:#e7eef2;border-radius:999px;overflow:hidden}.category-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--blue),var(--cyan));border-radius:inherit}.category-chip{white-space:nowrap;border-radius:999px;background:#eef5f7;padding:8px 11px;font-size:12px;font-weight:900}.expense-list{margin-top:10px}.expense-item{display:grid;grid-template-columns:45px 1fr auto auto;align-items:center;gap:12px;padding:13px 0;border-bottom:1px solid #edf1f3}.expense-icon{width:42px;height:42px;border-radius:14px;background:#eef6f8;display:grid;place-items:center}.expense-info b{display:block}.expense-info small{color:var(--muted)}.expense-value{font-weight:900}.delete-btn{border:0;background:none;color:#b5bec5;cursor:pointer;font-size:18px}.empty-state{text-align:center;color:var(--muted);padding:30px 10px}dialog{border:0;padding:0;background:transparent;width:min(520px,calc(100% - 24px))}dialog::backdrop{background:rgba(8,27,43,.58);backdrop-filter:blur(5px)}.modal-card{position:relative;background:#fff;border-radius:24px;padding:28px;box-shadow:var(--shadow)}.modal-card h3{text-align:center;font-size:24px;margin:12px 0}.close-btn{position:absolute;right:14px;top:12px;border:0;background:#f0f4f6;width:34px;height:34px;border-radius:50%;font-size:22px;cursor:pointer}.switch-row{display:flex;align-items:center;gap:10px}.switch-row 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:root[data-theme='dark']{--navy:#e8f3fb;--ink:#e6eef5;--muted:#9fb0bf;--shadow:0 18px 45px rgba(0,0,0,.28)}:root[data-theme='dark'] body{background:linear-gradient(145deg,#0b1824,#132638 55%,#10202e);color:var(--ink)}:root[data-theme='dark'] .panel,:root[data-theme='dark'] .metric-card,:root[data-theme='dark'] .icon-btn,:root[data-theme='dark'] .share-btn{background:rgba(18,36,51,.94);border-color:rgba(255,255,255,.06)}:root[data-theme='dark'] .primary-metric{background:linear-gradient(145deg,#173654,#1b537a)}:root[data-theme='dark'] input,:root[data-theme='dark'] select{background:#102333;border-color:#294357;color:#e6eef5}:root[data-theme='dark'] .choice-card{border-color:#294357}:root[data-theme='dark'] .category-chip,:root[data-theme='dark'] .expense-icon,:root[data-theme='dark'] .code-box,:root[data-theme='dark'] .close-btn{background:#193247}:root[data-theme='dark'] .modal-card{background:#132638;color:var(--ink)}:root[data-theme='dark'] .expense-item{border-bottom-color:#294052}:root[data-theme='dark'] .category-bar{background:#294052}:root[data-theme='dark'] .pill{background:#193b50;color:#80cde1}:root[data-theme='dark'] .danger-btn{background:#3a2229}