:root{--bg: #0f1220;--panel: #1e2338;--input: #141829;--border: #2e364f;--text: #e8eaf1;--muted: #949ab0;--accent: #6c8cff;--accent-hover: #5a75d9;--danger: #ff6b6b;--success: #00d287;--shadow: 0 4px 6px rgba(0, 0, 0, .3);--radius: 12px}[data-theme=light]{--bg: #f0f2f5;--panel: #ffffff;--input: #f9fafb;--border: #e5e7eb;--text: #1f2937;--muted: #6b7280;--accent: #4f46e5;--accent-hover: #4338ca;--danger: #ef4444;--success: #10b981;--shadow: 0 4px 6px -1px rgba(0, 0, 0, .1)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,sans-serif;padding-bottom:90px;transition:background-color .3s ease,color .3s ease;-webkit-font-smoothing:antialiased}.container{max-width:600px;margin:0 auto;padding:20px}.header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.app-title{font-size:20px;font-weight:800;background:linear-gradient(45deg,var(--accent),var(--success));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin:0}@keyframes spin{to{transform:rotate(360deg)}}.animate-spin{animation:spin 1s linear infinite}.panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:16px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease}.panel:hover{transform:translateY(-2px);box-shadow:0 8px 12px #0000001a}h1,h2,h3{margin:0 0 16px;font-size:18px;font-weight:600}.text-sm{font-size:13px;color:var(--muted)}.text-lg{font-size:28px;font-weight:800;letter-spacing:-.5px}.flex{display:flex;align-items:center;gap:10px}.between{justify-content:space-between}.col{flex-direction:column;align-items:flex-start}input,select{width:100%;padding:14px;background:var(--input);border:1px solid var(--border);border-radius:8px;color:var(--text);margin-bottom:16px;font-size:15px;transition:border-color .2s;outline:none}input:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px #6c8cff26}input[type=date],input[type=month]{color-scheme:light dark;font-family:inherit;position:relative;cursor:text}input[type=date]::-webkit-calendar-picker-indicator,input[type=month]::-webkit-calendar-picker-indicator{cursor:pointer;padding:4px;border-radius:4px;filter:none;opacity:.7;transition:opacity .2s}input[type=date]::-webkit-calendar-picker-indicator:hover,input[type=month]::-webkit-calendar-picker-indicator:hover{opacity:1;background-color:var(--border)}[data-theme=dark] input[type=date]::-webkit-calendar-picker-indicator,[data-theme=dark] input[type=month]::-webkit-calendar-picker-indicator{filter:invert(1)}.btn{width:100%;padding:14px;border:none;border-radius:8px;background:var(--accent);color:#fff;font-weight:600;font-size:15px;cursor:pointer;display:flex;justify-content:center;align-items:center;gap:8px;transition:background .2s,transform .1s}.btn:hover{background:var(--accent-hover)}.btn:active{transform:scale(.98)}.btn-outline{background:transparent;border:1px solid var(--border);color:var(--muted)}.btn-outline:hover{border-color:var(--text);color:var(--text)}.btn-sm{padding:8px 16px;font-size:13px;width:auto;border-radius:6px}.btn-danger{color:var(--danger);border-color:var(--danger)}.btn-danger:hover{background:var(--danger);color:#fff}.btn-icon{padding:8px;border-radius:50%;background:var(--input);border:1px solid var(--border);color:var(--text);cursor:pointer;display:flex;align-items:center;justify-content:center}.btn-icon:hover{background:var(--border)}.chips-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;width:100%;margin-bottom:16px}.chip{padding:12px;background:var(--input);border:1px solid var(--border);border-radius:8px;text-align:center;font-size:12px;font-weight:500;cursor:pointer;transition:all .2s}.chip:hover{border-color:var(--muted)}.chip.selected{background:#6c8cff26;border-color:var(--accent);color:var(--accent)}.nav{position:fixed;bottom:0;left:0;width:100%;background:var(--panel);border-top:1px solid var(--border);display:flex;justify-content:space-around;padding:12px 0 24px;z-index:100;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.nav-item{display:flex;flex-direction:column;align-items:center;font-size:11px;font-weight:500;color:var(--muted);cursor:pointer;transition:color .2s;padding:4px 12px;border-radius:8px}.nav-item:hover{background:var(--input)}.nav-item.active{color:var(--accent)}.toggle{display:flex;background:var(--input);padding:4px;border-radius:10px;margin-bottom:20px;border:1px solid var(--border)}.toggle-opt{flex:1;text-align:center;padding:8px;font-size:13px;font-weight:500;border-radius:8px;cursor:pointer;color:var(--muted);transition:all .2s}.toggle-opt.active{background:var(--panel);color:var(--text);font-weight:600;box-shadow:0 2px 4px #0000001a}.settle-row{display:flex;justify-content:space-between;align-items:center;padding:14px 0;border-bottom:1px solid var(--border)}.settle-row:last-child{border-bottom:none}.pos{color:var(--success);font-weight:700}.modal-overlay{position:fixed;inset:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:2000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);padding:20px}.modal{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:24px;width:100%;max-width:400px;box-shadow:0 10px 25px #0003;animation:modal-pop .3s cubic-bezier(.34,1.56,.64,1)}@keyframes modal-pop{0%{transform:scale(.9);opacity:0}to{transform:scale(1);opacity:1}}.neg{color:var(--danger);font-weight:700}