:root{color-scheme:light;--bg: #f4f7fb;--surface: #ffffff;--text: #0f172a;--muted: #64748b;--primary: #0f766e;--primary-dark: #115e59;--danger: #dc2626;--success: #16a34a;--warning: #ea580c;--border: #e2e8f0;--shadow: 0 10px 30px rgba(15, 23, 42, .08);font-family:Inter,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;background:var(--bg)}button,input,select,textarea{font:inherit}a{color:inherit;text-decoration:none}.app-shell{min-height:100dvh;padding-bottom:calc(72px + env(safe-area-inset-bottom))}.app-header{display:flex;align-items:center;justify-content:space-between;gap:12px;max-width:720px;margin:0 auto;padding:16px 16px 0}.app-header-title{font-weight:700;color:var(--primary)}.app-header-user{color:var(--muted);font-size:.9rem}.auth-page{display:grid;place-items:center;min-height:calc(100dvh - 32px)}.auth-card{width:min(100%,420px)}.auth-card h1{margin:0 0 8px}.auth-subtitle{margin:0 0 16px;color:var(--muted)}.auth-footer{margin:16px 0 0;text-align:center;color:var(--muted)}.auth-footer a{color:var(--primary);font-weight:600}.page{max-width:720px;margin:0 auto;padding:16px}.page-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.page-header h1{margin:0;font-size:1.5rem}.back-link{color:var(--primary);font-weight:600}.card-grid{display:grid;gap:16px}.trip-card{position:relative;overflow:hidden;border-radius:16px;min-height:180px;background:linear-gradient(135deg,#134e4a,#0f766e);box-shadow:var(--shadow)}.trip-card img{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover}.trip-card-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(to top,rgba(0,0,0,.65),transparent 55%)}.trip-card-content{position:absolute;left:16px;right:16px;bottom:16px;color:#fff}.trip-card-content h2{margin:0 0 4px;font-size:1.1rem}.trip-card-content p{margin:0;opacity:.9;font-size:.9rem}.panel{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:16px;box-shadow:var(--shadow)}.panel+.panel{margin-top:16px}.panel h2,.panel h3{margin:0 0 12px}.list-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--border)}.list-item:last-child{border-bottom:none;padding-bottom:0}.list-item-main{min-width:0}.list-item-title{font-weight:600}.list-item-subtitle{color:var(--muted);font-size:.9rem}.amount{font-weight:700;white-space:nowrap}.amount.positive{color:var(--success)}.amount.negative{color:var(--danger)}.btn,.icon-btn{border:none;border-radius:12px;cursor:pointer;transition:transform .15s ease,background .15s ease}.btn:active,.icon-btn:active{transform:scale(.98)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 16px;background:var(--primary);color:#fff;font-weight:600}.btn.secondary{background:#e2e8f0;color:var(--text)}.btn.danger{background:#fee2e2;color:var(--danger)}.btn.full{width:100%}.icon-btn{width:40px;height:40px;background:#ecfeff;color:var(--primary)}.form-grid{display:grid;gap:12px}label{display:grid;gap:6px;font-size:.92rem;font-weight:600}input,select,textarea{width:100%;border:1px solid var(--border);border-radius:12px;padding:12px;background:#fff}textarea{min-height:96px;resize:vertical}.actions-row{display:flex;gap:8px;flex-wrap:wrap}.bottom-nav{position:fixed;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:#fffffff5;border-top:1px solid var(--border);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.bottom-nav a{display:grid;place-items:center;gap:4px;padding:8px;border-radius:12px;color:var(--muted);font-size:.78rem;font-weight:600}.bottom-nav a.active{background:#ecfeff;color:var(--primary)}.empty-state{text-align:center;padding:32px 16px;color:var(--muted)}.hero{overflow:hidden;border-radius:16px;min-height:220px;position:relative;background:linear-gradient(135deg,#134e4a,#0f766e);margin-bottom:16px}.hero img{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover}.hero-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(to top,rgba(0,0,0,.7),transparent 50%)}.hero-content{position:absolute;left:16px;right:16px;bottom:16px;color:#fff}.hero-content h1{margin:0 0 8px;font-size:1.6rem}.hero-content p{margin:0;opacity:.9}.split-table{width:100%;border-collapse:collapse;font-size:.92rem}.split-table th,.split-table td{padding:10px 8px;border-bottom:1px solid var(--border);text-align:left}.split-table th:last-child,.split-table td:last-child{text-align:right}.error-banner{background:#fee2e2;color:var(--danger);border-radius:12px;padding:12px 16px;margin-bottom:16px}.floating-action{position:fixed;right:16px;bottom:calc(84px + env(safe-area-inset-bottom));width:56px;height:56px;border-radius:50%;background:var(--primary);color:#fff;font-size:1.8rem;box-shadow:var(--shadow)}@media(min-width:768px){.page{padding:24px}.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}