:root{--primary: #6366f1;--primary-dark: #4f46e5;--primary-light: #818cf8;--secondary: #10b981;--danger: #ef4444;--warning: #f59e0b;--background: #0f172a;--surface: #1e293b;--surface-light: #334155;--text: #f8fafc;--text-muted: #94a3b8;--border: #475569;--shadow: rgba(0, 0, 0, .4);--bg-secondary: #1e293b;--bg-tertiary: #334155;--nav-bg: rgba(30, 41, 59, .8);--logo-filter: none}:root.light{--background: #e2e8f0;--surface: #ffffff;--surface-light: #f1f5f9;--text: #334155;--text-muted: #64748b;--border: #cbd5e1;--shadow: rgba(0, 0, 0, .05);--bg-secondary: #ffffff;--bg-tertiary: #f1f5f9;--nav-bg: rgba(255, 255, 255, .9);--primary: #4f46e5;--secondary: #059669;--danger: #dc2626;--logo-filter: drop-shadow(0 0 3px rgba(0, 0, 0, .6)) drop-shadow(0 0 6px rgba(0, 0, 0, .4))}:root.dark{--logo-filter: none}body{background:var(--background);color:var(--text);background-image:none}:root.dark body{background:linear-gradient(135deg,#0f172a,#1a1f3a)}*{margin:0;padding:0;box-sizing:border-box}html{background:var(--background);min-height:100vh;transition:background-color .3s ease}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background-attachment:fixed;color:var(--text);min-height:100vh;line-height:1.6;margin:0;transition:background-color .3s ease,color .3s ease}#root{min-height:100vh}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--surface)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}button{font-family:inherit;cursor:pointer;border:none;transition:all .2s ease}button:hover{transform:translateY(-2px)}button:active{transform:translateY(0)}input,select,textarea{font-family:inherit;font-size:1rem}input[type=number]{-moz-appearance:textfield;appearance:textfield}input[type=number]::-webkit-outer-spin-button,input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}textarea{resize:vertical}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes spin{to{transform:rotate(360deg)}}.top-bar{display:flex;justify-content:space-between;align-items:flex-end;gap:2rem;margin-bottom:2rem;padding:1rem 2rem;background:var(--surface);border-radius:16px;border:1px solid var(--border);box-shadow:0 4px 20px #0003}.desktop-nav-only{display:block}.mobile-nav-only{display:none}.mobile-header-fixed{position:sticky;top:0;z-index:1250;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);background:color-mix(in srgb,var(--background) 82%,transparent);border-bottom:1px solid var(--border);margin:0 -.75rem .6rem;padding:0 .75rem}.mobile-top-bar{display:flex;align-items:center;justify-content:space-between;background:transparent;border:none;border-radius:0;padding:.2rem 0 .5rem;margin-bottom:.75rem;max-width:1200px;margin-left:auto;margin-right:auto}.mobile-top-title{font-size:1rem;font-weight:700;color:var(--text)}.mobile-menu-trigger{width:38px;height:38px;border-radius:10px;border:1px solid var(--border);background:var(--surface-light);color:var(--text);display:flex;align-items:center;justify-content:center}.mobile-menu-panel{background:transparent;border:none;border-radius:0;overflow:visible;display:flex;flex-direction:column;gap:.35rem}.mobile-menu-backdrop{position:fixed;inset:0;background:#00000073;opacity:0;pointer-events:none;transition:opacity .2s ease;z-index:1290}.mobile-menu-backdrop.open{opacity:1;pointer-events:auto}.mobile-menu-drawer{position:fixed;top:0;right:0;bottom:0;width:min(62vw,280px);background:var(--surface);border:1px solid var(--border);border-right:none;border-top-left-radius:14px;border-bottom-left-radius:14px;transform:translate(100%);transition:transform .25s ease;z-index:1300;padding:.9rem .75rem}.mobile-menu-drawer.open{transform:translate(0)}.mobile-menu-drawer-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:.8rem}.mobile-menu-drawer-title{color:var(--text);font-weight:700;font-size:1rem}.mobile-menu-email{margin-top:.2rem;color:var(--text-muted);font-size:.82rem;max-width:170px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mobile-menu-link{width:100%;display:block;text-align:left;background:transparent;color:var(--text-muted);text-decoration:none;padding:.68rem .75rem;border:1px solid transparent;border-radius:10px;font-size:.96rem;line-height:1.25}.mobile-menu-link.active{background:#6366f11f;border-color:#6366f147;color:var(--text);font-weight:600}.mobile-menu-link:hover{background:var(--surface-light);color:var(--text)}.nav-links{display:flex;gap:1rem;margin-bottom:5px}.nav-link{padding:.75rem 1.5rem;border-radius:8px;color:var(--text-muted);text-decoration:none;font-weight:600;transition:all .2s ease}.nav-link:hover{color:var(--text);background:var(--surface-light)}.nav-link.active{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff}.profile-menu{position:fixed;top:.85rem;right:1rem;z-index:1200;display:flex;align-items:center;gap:.55rem}.profile-trigger{width:40px;height:40px;border-radius:999px;background:var(--surface);color:var(--text);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;box-shadow:0 4px 16px var(--shadow)}.profile-trigger:hover{background:var(--surface-light)}.profile-dropdown{position:absolute;top:48px;right:0;width:240px;background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:0 10px 30px var(--shadow);padding:.4rem}.profile-email{color:var(--text);font-size:.85rem;font-weight:600;padding:.5rem .6rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.profile-divider{height:1px;background:var(--border);margin:.25rem 0}.profile-section{color:var(--text-muted);font-size:.75rem;text-transform:uppercase;letter-spacing:.04em;padding:.4rem .6rem .2rem}.profile-item{width:100%;text-align:left;border-radius:8px;background:transparent;color:var(--text-muted);padding:.55rem .6rem;font-size:.9rem}.profile-item:hover{background:var(--surface-light);color:var(--text)}.profile-item.active{color:var(--text);font-weight:600}.profile-item.logout{color:#f97373}.profile-item.logout:hover{background:#ef444426;color:#ef4444}.readonly-field{background:var(--bg-tertiary)!important;color:var(--text-muted)!important;cursor:not-allowed}.app{max-width:1200px;margin:0 auto;padding:2rem;animation:fadeIn .5s ease}.header{text-align:center;margin-bottom:2rem}.auth-shell{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;padding:1rem;gap:.75rem}.auth-card{width:min(460px,100%);background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:1.5rem;box-shadow:0 8px 28px var(--shadow)}.auth-page-title{color:var(--text);font-size:clamp(1.9rem,4vw,3rem);font-weight:800;line-height:1.1;letter-spacing:-.02em;text-align:center;margin:0;position:absolute;top:8vh;left:50%;transform:translate(-50%);width:min(90vw,900px)}.auth-card h1{margin-bottom:.5rem}.auth-card p{color:var(--text-muted);margin-bottom:1rem}.auth-submit{width:100%}.auth-error{background-color:#fee2e2;border:1px solid #ef4444;color:#b91c1c;padding:.75rem;border-radius:.5rem;margin-bottom:1rem}.auth-info{background:#3b82f61f;border:1px solid rgba(59,130,246,.35);color:#93c5fd;padding:.75rem;border-radius:.5rem;margin-bottom:1rem}.auth-switch-link{margin-top:.8rem;width:100%;text-align:center;background:transparent;color:var(--text-muted);font-size:.9rem;text-decoration:underline;text-underline-offset:2px}.auth-switch-link:hover{color:var(--text)}.header-container{display:flex;align-items:flex-end;justify-content:center;gap:1rem}.header-text{text-align:left;display:flex;flex-direction:column;justify-content:flex-end}.header-text h1{font-size:2.5rem;font-weight:700;background:linear-gradient(135deg,var(--primary-light),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin:0;margin-bottom:.2rem;line-height:1}.header-text p{color:var(--text-muted);font-size:1.1rem;margin:0;padding-left:0}.app-logo{height:100px;margin-bottom:-20px;mix-blend-mode:screen;border-radius:12px}.stats-bar{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:2rem}.stat-card{background:var(--surface);border-radius:12px;padding:1.25rem;border:1px solid var(--border);transition:all .3s ease}.stat-card:hover{border-color:var(--primary);box-shadow:0 4px 20px var(--shadow)}.stat-card .label{color:var(--text-muted);font-size:.875rem;margin-bottom:.5rem}.stat-card .value{font-size:1.75rem;font-weight:700;color:var(--text)}.stat-card.highlight .value{color:var(--secondary)}.add-button{display:flex;align-items:center;gap:.5rem;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;padding:.875rem 1.5rem;border-radius:10px;font-size:1rem;font-weight:600;box-shadow:0 4px 15px #6366f166;margin-bottom:1.5rem}.add-button:hover{box-shadow:0 6px 25px #6366f180}.add-button .icon{font-size:1.25rem}.modal-overlay{position:fixed;inset:0;padding:1rem;background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;overflow-y:auto;z-index:1000;animation:fadeIn .2s ease}.modal{background:var(--surface);border-radius:16px;padding:2rem;width:90%;max-width:500px;max-height:calc(100vh - 2rem);overflow-y:auto;border:1px solid var(--border);box-shadow:0 20px 60px var(--shadow);animation:slideIn .3s ease}.modal h2{font-size:1.5rem;margin-bottom:1.5rem;color:var(--text)}.form-group{margin-bottom:1.25rem;min-width:0}.form-group label{display:block;margin-bottom:.5rem;color:var(--text-muted);font-size:.875rem;font-weight:500}.form-group input,.form-group select,.form-group textarea{width:100%;min-width:0;max-width:100%;padding:.875rem 1rem;background:var(--background);border:1px solid var(--border);border-radius:8px;color:var(--text);transition:all .2s ease}.form-group input[type=date]{display:block;width:100%!important;max-width:100%!important;min-width:0!important;inline-size:100%!important;max-inline-size:100%!important;min-inline-size:0!important;box-sizing:border-box;overflow:hidden}.form-group input[type=date]::-webkit-date-and-time-value{text-align:left}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #6366f133}.form-group input::placeholder,.form-group textarea::placeholder{color:var(--text-muted)}.settings-toggle-row{display:flex!important;align-items:center;justify-content:flex-start;gap:.45rem;width:fit-content;margin:0!important;cursor:pointer}.settings-toggle{position:relative;width:46px;height:26px;flex:0 0 auto}.settings-toggle input{position:absolute;opacity:0;width:0;height:0}.settings-toggle-slider{position:absolute;inset:0;border-radius:999px;background:var(--surface-light);border:1px solid var(--border);transition:all .2s ease}.settings-toggle-slider:before{content:"";position:absolute;width:20px;height:20px;top:2px;left:2px;border-radius:999px;background:var(--text-muted);transition:all .2s ease}.settings-toggle input:checked+.settings-toggle-slider{background:color-mix(in srgb,var(--primary) 35%,transparent);border-color:var(--primary)}.settings-toggle input:checked+.settings-toggle-slider:before{transform:translate(20px);background:var(--primary-light)}.price-mode-toggle{display:grid;grid-template-columns:1fr 1fr;gap:.5rem}.price-mode-btn{background:var(--surface-light);color:var(--text-muted);border:1px solid var(--border);border-radius:8px;padding:.62rem .75rem;font-size:.88rem;font-weight:600}.price-mode-btn.active{background:color-mix(in srgb,var(--primary) 22%,transparent);color:var(--text);border-color:var(--primary)}.status-filter-toggle{display:flex;background:var(--bg-tertiary);padding:4px;border-radius:12px;gap:4px}.status-filter-btn{padding:.4rem .85rem;border-radius:8px;border:none;cursor:pointer;background:transparent;color:var(--text-muted);font-weight:600;font-size:.88rem;transition:all .2s}.status-filter-btn.active{background:var(--surface-light);color:var(--text);box-shadow:0 2px 5px #0000001a}.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.form-row>*{min-width:0}.form-row.form-row-3{grid-template-columns:repeat(3,minmax(0,1fr))}.form-row.form-row-3 .form-group label{min-height:2.5em;display:flex;align-items:flex-end}.sell-compact-row .form-group{margin-bottom:.9rem}.sell-compact-row .form-group label{min-height:0;display:block;font-size:.82rem;line-height:1.2;white-space:nowrap}.sell-compact-row .form-group input{padding:.72rem .82rem}.form-actions{display:flex;gap:1rem;margin-top:1.5rem}.btn-primary{flex:1;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;padding:.875rem;border-radius:8px;font-weight:600}.btn-secondary{flex:1;background:var(--surface-light);color:var(--text);padding:.875rem;border-radius:8px;font-weight:600;border:1px solid var(--border)}.toolbar{display:flex;gap:1rem;margin-bottom:1.5rem;flex-wrap:wrap}.search-box{flex:1;min-width:250px;position:relative}.search-box input{width:100%;padding:.875rem 1rem .875rem 2.75rem;background:var(--surface);border:1px solid var(--border);border-radius:10px;color:var(--text);font-size:1rem}.search-box input:focus{outline:none;border-color:var(--primary)}.search-box .search-icon{position:absolute;left:1rem;top:50%;transform:translateY(-50%);color:var(--text-muted)}.filter-select{padding:.875rem 1rem;background:var(--surface);border:1px solid var(--border);border-radius:10px;color:var(--text);min-width:150px}.stock-table-container{background:var(--surface);border-radius:16px;border:1px solid var(--border);overflow:hidden}.stock-table{width:100%;border-collapse:collapse}.stock-table th{text-align:left;padding:1rem 1.25rem;background:var(--surface-light);color:var(--text-muted);font-size:.875rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.stock-table td{padding:1rem 1.25rem;border-top:1px solid var(--border)}.stock-table tr{transition:background .2s ease}.stock-table tbody tr:hover{background:#6366f11a}.stock-table .item-name{font-weight:600;color:var(--text)}.stock-table .item-category{display:inline-block;padding:.25rem .75rem;background:#6366f133;color:var(--primary-light);border-radius:20px;font-size:.75rem;font-weight:500}.stock-table .item-price{color:var(--secondary);font-weight:600}.stock-table .item-quantity{font-weight:600}.stock-table .quantity-low{color:var(--danger)}.stock-table .quantity-medium{color:var(--warning)}.stock-table .quantity-high{color:var(--secondary)}.action-buttons{display:flex;gap:.5rem}.btn-icon{width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:1rem;background:var(--surface-light);color:var(--text-muted);border:1px solid var(--border)}.btn-icon:hover{color:var(--text);border-color:var(--primary)}.btn-icon:disabled{opacity:.45;cursor:not-allowed}.btn-icon.delete:hover{background:#ef444433;border-color:var(--danger);color:var(--danger)}.empty-state{text-align:center;padding:4rem 2rem;color:var(--text-muted)}.empty-state .icon{font-size:4rem;margin-bottom:1rem;opacity:.5}.empty-state h3{font-size:1.25rem;color:var(--text);margin-bottom:.5rem}.empty-state p{font-size:.95rem}.loading-state{padding:3rem;text-align:center;color:var(--text-muted)}.loading-state p{margin-top:.75rem}.loading-spinner{width:28px;height:28px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .9s linear infinite}.mobile-list-container{background:var(--surface);border:1px solid var(--border);border-radius:12px;overflow:hidden}.mobile-list-row{width:100%;text-align:left;border-bottom:1px solid var(--border);background:transparent;padding:.875rem .9rem}.mobile-list-row:last-child{border-bottom:none}.mobile-list-row-title{font-size:.95rem;font-weight:600;color:var(--text);margin-bottom:.35rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mobile-list-row-title-wrap{display:flex;align-items:center;justify-content:space-between;gap:.5rem;margin-bottom:.35rem}.mobile-status-pill{display:inline-flex;align-items:center;gap:.25rem;font-size:.72rem;border-radius:999px;padding:.15rem .45rem;border:1px solid var(--border);color:var(--text-muted);white-space:nowrap}.mobile-status-pill.success{color:#10b981;border-color:#10b98166;background:#10b9811f}.mobile-status-pill.warning{color:#f59e0b;border-color:#f59e0b66;background:#f59e0b1f}.mobile-status-dot{width:7px;height:7px;border-radius:999px;background:currentColor}.mobile-list-row-values{display:flex;justify-content:space-between;color:var(--text-muted);font-size:.85rem}.mobile-list-empty{padding:2rem 1rem;text-align:center}.mobile-list-empty h3{margin:0 0 .5rem;font-size:1rem;color:var(--text)}.mobile-list-empty p{margin:0;color:var(--text-muted);font-size:.875rem}.mobile-form-page,.stock-form-page{min-height:100dvh;max-width:100%}.mobile-form-shell{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:.9rem;overflow-x:hidden;max-width:100%}.stock-form-shell{width:min(820px,100%);margin:0 auto;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:1rem}.stock-form-section{border:1px solid var(--border);border-radius:10px;padding:.85rem;margin-bottom:.9rem}.stock-form-section h3{margin:0 0 .75rem;color:var(--text);font-size:.95rem}.mobile-form-shell *{min-width:0;max-width:100%}.mobile-form-shell .form-group input,.mobile-form-shell .form-group select,.mobile-form-shell .form-group textarea{display:block;width:100%!important;max-width:100%!important;min-width:0!important}.mobile-form-header{display:flex;align-items:center;justify-content:space-between;gap:.75rem;margin-bottom:1rem}.mobile-form-header h2{margin:0;font-size:1.05rem;color:var(--text)}.mobile-detail-summary{background:var(--background);border:1px solid var(--border);border-radius:10px;padding:.75rem;margin-bottom:1rem;color:var(--text);display:grid;gap:.35rem}.mobile-action-grid{display:grid;gap:.65rem}.mobile-back-link{margin-top:.75rem;background:transparent;color:var(--text-muted);padding:.25rem 0;font-size:.92rem;width:fit-content;border:none;text-align:left}.mobile-back-link:hover{color:var(--text);transform:none}@media(max-width:768px){.app{padding:.75rem}.desktop-nav-only{display:none}.mobile-nav-only{display:block}.profile-menu{top:.5rem;right:.5rem}.profile-dropdown{width:min(240px,calc(100vw - 1rem))}.header h1,.header-text h1{font-size:1.5rem}.toolbar{flex-direction:column;gap:.75rem}.search-box,.filter-select{width:100%;min-width:0}.status-filter-toggle{width:100%;display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}.form-row,.form-row.form-row-3{grid-template-columns:1fr}.modal-overlay{align-items:flex-end;padding:0}.modal{width:100%;max-width:none;margin:0;padding:1rem;border-radius:14px 14px 0 0;max-height:88vh;overflow-y:auto;animation:slideIn .2s ease}.modal h2{font-size:1.2rem;margin-bottom:1rem}.form-group{margin-bottom:.85rem}.form-group input,.form-group select,.form-group textarea{padding:.72rem .82rem;font-size:16px}.search-box input,.filter-select,input,select,textarea{font-size:16px}.form-actions{gap:.6rem;margin-top:1rem}.btn-primary,.btn-secondary{padding:.75rem}.mobile-form-shell,.stock-form-shell{border-radius:12px;padding:.8rem}.mobile-form-header h2{font-size:1rem}.stock-table-container{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 -.5rem;border-radius:8px;border-left:none;border-right:none}.stock-table{min-width:600px}.stock-table th,.stock-table td{padding:.5rem .75rem;font-size:.8rem}.stock-table .item-name{font-size:.85rem}.btn-icon{width:32px;height:32px;font-size:.9rem}.stats-bar{grid-template-columns:1fr 1fr;gap:.5rem;margin-bottom:1.5rem}.stat-card{padding:.75rem}.stat-card .label{font-size:.75rem;margin-bottom:.25rem}.stat-card .value{font-size:1.2rem}}@media(max-width:480px){.app{padding:.5rem}.header-text h1{font-size:1.35rem}.app-logo{height:70px}.add-button{padding:.75rem 1rem;font-size:.9rem}}