:root{--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--bg-card: rgba(30, 41, 59, .8);--bg-card-hover: rgba(51, 65, 85, .6);--bg-glass: rgba(15, 23, 42, .85);--accent-primary: #10b981;--accent-secondary: #34d399;--accent-light: #6ee7b7;--accent-dark: #059669;--accent-glow: rgba(16, 185, 129, .3);--accent-gradient: linear-gradient(135deg, #10b981, #06b6d4);--accent-gradient-hover: linear-gradient(135deg, #34d399, #22d3ee);--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-tertiary: #64748b;--text-accent: #34d399;--text-amount: #fbbf24;--text-danger: #f87171;--border-primary: rgba(51, 65, 85, .5);--border-accent: rgba(16, 185, 129, .3);--space-xs: 4px;--space-sm: 8px;--space-md: 12px;--space-lg: 16px;--space-xl: 24px;--space-2xl: 32px;--space-3xl: 48px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .3);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .4);--shadow-glow: 0 0 20px var(--accent-glow);--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .4s cubic-bezier(.4, 0, .2, 1);--top-bar-height: 56px;--bottom-nav-height: 72px;--safe-area-bottom: env(safe-area-inset-bottom, 0px)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);min-height:100vh;overflow-x:hidden;line-height:1.5}#app{display:flex;flex-direction:column;min-height:100vh;max-width:480px;margin:0 auto;position:relative}a{color:inherit;text-decoration:none}button{border:none;background:none;cursor:pointer;font-family:inherit;color:inherit}input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;border:none;outline:none;background:none}ul,ol{list-style:none}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:var(--radius-full)}.top-bar{position:fixed;top:0;left:50%;transform:translate(-50%);width:100%;max-width:480px;height:var(--top-bar-height);display:flex;align-items:center;justify-content:space-between;padding:0 var(--space-lg);background:var(--bg-glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border-primary);z-index:100}.top-bar-left{display:flex;align-items:center;gap:var(--space-sm)}.top-bar-title{font-size:1.25rem;font-weight:700;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.top-bar-right{display:flex;align-items:center;gap:var(--space-sm)}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:480px;height:calc(var(--bottom-nav-height) + var(--safe-area-bottom));padding-bottom:var(--safe-area-bottom);display:flex;align-items:center;justify-content:space-around;background:var(--bg-glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-top:1px solid var(--border-primary);z-index:100}.nav-item{display:flex;flex-direction:column;align-items:center;gap:2px;padding:var(--space-sm) var(--space-md);color:var(--text-tertiary);transition:color var(--transition-fast);font-size:.65rem;font-weight:500;position:relative}.nav-item.active{color:var(--accent-primary)}.nav-item.active:after{content:"";position:absolute;top:0;left:50%;transform:translate(-50%);width:20px;height:2px;background:var(--accent-gradient);border-radius:var(--radius-full)}.nav-item svg{width:22px;height:22px}.nav-item-add{position:relative;top:-8px}.nav-add-btn{width:52px;height:52px;border-radius:50%;background:var(--accent-gradient);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-glow),var(--shadow-md);transition:transform var(--transition-fast),box-shadow var(--transition-fast);color:#fff}.nav-item-add:active .nav-add-btn{transform:scale(.92)}.nav-item-add.active:after{display:none}.nav-item-add span{color:var(--accent-primary)}.main-content{flex:1;margin-top:var(--top-bar-height);margin-bottom:calc(var(--bottom-nav-height) + var(--safe-area-bottom));padding:var(--space-lg);overflow-y:auto;position:relative}.page{animation:pageIn .3s ease forwards}@keyframes pageIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes pageOut{0%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-12px)}}.card{background:var(--bg-card);border:1px solid var(--border-primary);border-radius:var(--radius-lg);padding:var(--space-lg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:background var(--transition-fast),border-color var(--transition-fast)}.card:hover{background:var(--bg-card-hover);border-color:var(--border-accent)}.card-accent{border-color:var(--border-accent);background:linear-gradient(135deg,#10b98114,#06b6d40d)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-md) var(--space-xl);border-radius:var(--radius-md);font-weight:600;font-size:.875rem;transition:all var(--transition-fast);cursor:pointer;white-space:nowrap}.btn-primary{background:var(--accent-gradient);color:#fff;box-shadow:var(--shadow-sm)}.btn-primary:hover{background:var(--accent-gradient-hover);box-shadow:var(--shadow-glow)}.btn-primary:active{transform:scale(.97)}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary)}.btn-secondary:hover{background:#47556999}.btn-outline{background:transparent;border:1px solid var(--border-accent);color:var(--text-accent)}.btn-outline:hover{background:#10b9811a}.btn-danger{background:#f8717126;color:var(--text-danger);border:1px solid rgba(248,113,113,.3)}.btn-danger:hover{background:#f8717140}.btn-icon{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-md);transition:background var(--transition-fast);color:var(--text-secondary)}.btn-icon:hover{background:var(--bg-tertiary)}.btn-sm{padding:var(--space-sm) var(--space-md);font-size:.75rem}.btn-lg{padding:var(--space-lg) var(--space-2xl);font-size:1rem;border-radius:var(--radius-lg)}.btn-block{width:100%}.btn-group{display:flex;gap:var(--space-sm)}.tabs{display:flex;background:var(--bg-secondary);border-radius:var(--radius-md);padding:3px;gap:2px}.tab{flex:1;padding:var(--space-sm) var(--space-md);border-radius:var(--radius-sm);font-size:.8rem;font-weight:500;color:var(--text-secondary);text-align:center;transition:all var(--transition-fast);cursor:pointer}.tab.active{background:var(--accent-gradient);color:#fff;box-shadow:var(--shadow-sm)}.form-group{margin-bottom:var(--space-lg)}.form-label{display:block;font-size:.8rem;font-weight:500;color:var(--text-secondary);margin-bottom:var(--space-xs)}.form-input{width:100%;padding:var(--space-md) var(--space-lg);background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:var(--radius-md);color:var(--text-primary);font-size:.9rem;transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.form-input:focus{border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-glow)}.form-input::placeholder{color:var(--text-tertiary)}.form-input-amount{font-size:1.25rem;font-weight:600;color:var(--text-amount);text-align:right}.input-row{display:flex;gap:var(--space-sm);align-items:center}.input-prefix{font-size:.85rem;color:var(--text-secondary);font-weight:500;white-space:nowrap}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-lg)}.section-title{font-size:1rem;font-weight:600;color:var(--text-primary)}.section-subtitle{font-size:.8rem;color:var(--text-secondary)}.section-action{font-size:.8rem;color:var(--accent-primary);font-weight:500;cursor:pointer}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:var(--radius-full);font-size:.65rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.badge-accent{background:#10b98126;color:var(--accent-secondary)}.badge-warning{background:#fbbf2426;color:#fbbf24}.badge-danger{background:#f8717126;color:var(--text-danger)}.amount{font-weight:700;color:var(--text-amount);font-variant-numeric:tabular-nums}.amount-lg{font-size:1.5rem}.amount-sm{font-size:.85rem}.currency{font-size:.7em;font-weight:500;color:var(--text-secondary);margin-right:2px}.list-item{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md) 0;border-bottom:1px solid var(--border-primary)}.list-item:last-child{border-bottom:none}.list-item-icon{width:40px;height:40px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;background:var(--bg-tertiary);flex-shrink:0}.list-item-content{flex:1;min-width:0}.list-item-title{font-size:.9rem;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.list-item-subtitle{font-size:.75rem;color:var(--text-secondary);margin-top:1px}.list-item-end{text-align:right;flex-shrink:0}.avatar{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.85rem;color:#fff;flex-shrink:0}.avatar-sm{width:28px;height:28px;font-size:.7rem}.avatar-lg{width:48px;height:48px;font-size:1.1rem}.avatar-group{display:flex}.avatar-group .avatar{margin-left:-8px;border:2px solid var(--bg-primary)}.avatar-group .avatar:first-child{margin-left:0}.modal-overlay{position:fixed;inset:0;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:flex-end;justify-content:center;z-index:200;animation:fadeIn .2s ease}.modal-overlay.hidden{display:none}.modal{width:100%;max-width:480px;max-height:85vh;background:var(--bg-secondary);border-radius:var(--radius-xl) var(--radius-xl) 0 0;padding:var(--space-xl);overflow-y:auto;animation:slideUp .3s cubic-bezier(.4,0,.2,1)}.modal-handle{width:36px;height:4px;background:var(--bg-tertiary);border-radius:var(--radius-full);margin:0 auto var(--space-lg)}.modal-title{font-size:1.1rem;font-weight:600;margin-bottom:var(--space-lg)}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.toast-container{position:fixed;top:calc(var(--top-bar-height) + var(--space-md));left:50%;transform:translate(-50%);z-index:300;display:flex;flex-direction:column;gap:var(--space-sm);width:calc(100% - var(--space-xl) * 2);max-width:420px;pointer-events:none}.toast{padding:var(--space-md) var(--space-lg);background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:var(--radius-md);font-size:.85rem;font-weight:500;box-shadow:var(--shadow-lg);animation:toastIn .3s ease;pointer-events:auto}.toast-success{border-left:3px solid var(--accent-primary)}.toast-error{border-left:3px solid var(--text-danger)}@keyframes toastIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-3xl) var(--space-lg);text-align:center;min-height:250px}.empty-state-icon{width:72px;height:72px;border-radius:50%;background:var(--bg-secondary);display:flex;align-items:center;justify-content:center;margin-bottom:var(--space-lg);color:var(--text-tertiary)}.empty-state-title{font-size:1rem;font-weight:600;margin-bottom:var(--space-sm)}.empty-state-text{font-size:.85rem;color:var(--text-secondary);max-width:260px;margin-bottom:var(--space-xl)}.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-md)}.stat-card{padding:var(--space-lg)}.stat-label{font-size:.7rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;font-weight:500;margin-bottom:var(--space-xs)}.stat-value{font-size:1.25rem;font-weight:700}.item-row{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) 0;border-bottom:1px solid rgba(51,65,85,.3)}.item-row:last-child{border-bottom:none}.item-num{font-size:.7rem;color:var(--text-tertiary);width:20px;text-align:center;flex-shrink:0}.item-name{flex:1;min-width:0}.item-qty{font-size:.8rem;color:var(--text-secondary);width:32px;text-align:center;flex-shrink:0}.item-price{font-weight:600;font-size:.85rem;color:var(--text-amount);text-align:right;min-width:80px;flex-shrink:0}.person-chips{display:flex;flex-wrap:wrap;gap:var(--space-xs)}.person-chip{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;background:var(--bg-tertiary);border-radius:var(--radius-full);font-size:.75rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast);border:1px solid transparent}.person-chip.selected{background:#10b98126;border-color:var(--accent-primary);color:var(--accent-secondary)}.person-chip .chip-remove{width:14px;height:14px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:10px;background:#f871714d;color:var(--text-danger)}.summary-section{margin-top:var(--space-lg);padding-top:var(--space-lg);border-top:1px dashed var(--border-primary)}.summary-row{display:flex;justify-content:space-between;align-items:center;padding:var(--space-xs) 0;font-size:.85rem}.summary-row.total{font-size:1.1rem;font-weight:700;padding-top:var(--space-md);margin-top:var(--space-sm);border-top:1px solid var(--border-primary)}.camera-area{position:relative;width:100%;aspect-ratio:3/4;border-radius:var(--radius-lg);overflow:hidden;background:#000}.camera-area video,.camera-area img{width:100%;height:100%;object-fit:cover}.camera-controls{position:absolute;bottom:var(--space-lg);left:0;right:0;display:flex;align-items:center;justify-content:center;gap:var(--space-xl)}.capture-btn{width:64px;height:64px;border-radius:50%;border:4px solid white;background:#ffffff4d;cursor:pointer;transition:background var(--transition-fast)}.capture-btn:active{background:#fff9}.form-select{width:100%;padding:var(--space-md) var(--space-lg);background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:var(--radius-md);color:var(--text-primary);font-size:.9rem;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:40px;transition:border-color var(--transition-fast)}.form-select:focus{border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-glow)}.toggle-wrapper{display:flex;align-items:center;justify-content:space-between;padding:var(--space-md) 0}.toggle{position:relative;width:44px;height:24px;background:var(--bg-tertiary);border-radius:var(--radius-full);transition:background var(--transition-fast);cursor:pointer;flex-shrink:0}.toggle.active{background:var(--accent-primary)}.toggle:after{content:"";position:absolute;top:2px;left:2px;width:20px;height:20px;background:#fff;border-radius:50%;transition:transform var(--transition-fast)}.toggle.active:after{transform:translate(20px)}.spinner{width:32px;height:32px;border:3px solid var(--bg-tertiary);border-top-color:var(--accent-primary);border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-md);background:#0f172acc;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:50;border-radius:var(--radius-lg)}.loading-text{font-size:.85rem;color:var(--text-secondary)}.upload-area{border:2px dashed var(--border-primary);border-radius:var(--radius-lg);padding:var(--space-3xl) var(--space-lg);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;cursor:pointer;transition:all var(--transition-fast)}.upload-area:hover,.upload-area.drag-over{border-color:var(--accent-primary);background:#10b9810d}.upload-icon{width:48px;height:48px;margin-bottom:var(--space-md);color:var(--text-tertiary)}.divider{height:1px;background:var(--border-primary);margin:var(--space-lg) 0}.divider-text{display:flex;align-items:center;gap:var(--space-md);margin:var(--space-lg) 0;font-size:.75rem;color:var(--text-tertiary)}.divider-text:before,.divider-text:after{content:"";flex:1;height:1px;background:var(--border-primary)}.swipe-container{overflow:hidden;position:relative}.swipe-actions{position:absolute;right:0;top:0;bottom:0;display:flex;align-items:center}.swipe-action-delete{background:var(--text-danger);color:#fff;padding:0 var(--space-xl);height:100%;display:flex;align-items:center;font-size:.8rem;font-weight:600}.hidden{display:none!important}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.gap-xs{gap:var(--space-xs)}.gap-sm{gap:var(--space-sm)}.gap-md{gap:var(--space-md)}.gap-lg{gap:var(--space-lg)}.gap-xl{gap:var(--space-xl)}.mt-sm{margin-top:var(--space-sm)}.mt-md{margin-top:var(--space-md)}.mt-lg{margin-top:var(--space-lg)}.mt-xl{margin-top:var(--space-xl)}.mb-sm{margin-bottom:var(--space-sm)}.mb-md{margin-bottom:var(--space-md)}.mb-lg{margin-bottom:var(--space-lg)}.mb-xl{margin-bottom:var(--space-xl)}.text-center{text-align:center}.text-right{text-align:right}.text-sm{font-size:.8rem}.text-xs{font-size:.7rem}.text-secondary{color:var(--text-secondary)}.text-accent{color:var(--text-accent)}.text-danger{color:var(--text-danger)}.font-medium{font-weight:500}.font-semibold{font-weight:600}.font-bold{font-weight:700}.w-full{width:100%}.flex-1{flex:1}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@media(min-width:481px){body{background:#070e1b}#app{border-left:1px solid var(--border-primary);border-right:1px solid var(--border-primary);background:var(--bg-primary);min-height:100vh}}.stagger-item{opacity:0;transform:translateY(10px);animation:staggerIn .3s ease forwards}@keyframes staggerIn{to{opacity:1;transform:translateY(0)}}