:root{--bg-color: #0d0d0d;--card-bg: #1a1a1a;--text: #ffffff;--gray: #888;--accent: #e5b323;--danger: #ff4d4d;--border: #222}body{background:var(--bg-color);color:var(--text);font-family:Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-tap-highlight-color:transparent}.app-container{max-width:500px;margin:0 auto;padding:10px}.header{display:flex;justify-content:space-between;padding:15px 5px;border-bottom:2px solid var(--accent)}.logo h1{font-size:1.4rem;letter-spacing:1px;color:var(--accent)}.logo span{font-size:.6rem;color:var(--gray);display:block}.header-actions{display:flex;gap:8px}.reset-btn{background:#222;border:none;color:#fff;padding:8px 12px;border-radius:8px;display:flex;align-items:center;gap:5px;font-size:.8rem}.tabs{display:flex;overflow-x:auto;padding:15px 0;gap:8px;scrollbar-width:none}.tabs::-webkit-scrollbar{display:none}.tab-btn{background:#111;border:1px solid #333;color:#888;padding:6px 15px;border-radius:15px;white-space:nowrap;font-size:.85rem}.tab-btn.active{background:var(--accent);color:#000;border-color:var(--accent);font-weight:700}.category-header{display:flex;justify-content:space-between;margin-bottom:15px;align-items:center}.category-header h2{font-size:1.2rem;color:var(--accent)}.add-btn{background:#333;border:none;color:#fff;width:35px;height:35px;border-radius:50%;display:flex;align-items:center;justify-content:center}.product-list{display:flex;flex-direction:column;gap:8px}.product-card{background:var(--card-bg);border:1px solid var(--border);border-radius:12px;padding:10px;display:flex;flex-direction:column;gap:8px}.drag-handle{display:flex;justify-content:center;color:#444;border-bottom:1px solid #222;padding-bottom:5px}.name-box{display:flex;justify-content:space-between;align-items:flex-start}.product-name{font-weight:500;font-size:.95rem;line-height:1.2}.total-badge{background:var(--accent);color:#000;padding:2px 8px;border-radius:10px;font-size:.75rem;font-weight:700}.product-inputs{display:flex;justify-content:space-between;align-items:flex-end}.input-group{display:flex;gap:10px}.input-field{display:flex;flex-direction:column;gap:4px}.input-field label{font-size:.6rem;color:var(--gray);text-transform:uppercase}.input-field input,.input-field select{background:#000;border:1px solid #444;color:#fff;padding:8px;border-radius:6px;width:65px;font-size:1rem;font-weight:700}.card-actions{display:flex;gap:10px}.card-actions button{background:none;border:none;color:#555}.edit-modal{display:flex;flex-direction:column;gap:12px;background:#252525;padding:12px;border-radius:8px;border:1px solid var(--accent)}.edit-row{display:flex;flex-direction:column;gap:4px}.edit-row input,.edit-row select{background:#000;border:1px solid #444;color:#fff;padding:10px;border-radius:6px;font-size:.9rem}.edit-row label{font-size:.7rem;color:var(--gray);text-transform:uppercase}.edit-actions{display:flex;gap:10px;margin-top:5px}.save-btn,.cancel-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:8px;border-radius:6px;border:none;font-size:.85rem;font-weight:700;cursor:pointer}.save-btn{background:var(--accent);color:#000}.cancel-btn{background:#444;color:#fff}.pdf-btn{background:#2e5c2e;font-weight:700}input::-webkit-outer-spin-button,input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.auth-container{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px}.auth-card{background:var(--card-bg);border:1px solid var(--accent);padding:30px;border-radius:20px;width:100%;max-width:400px;box-shadow:0 10px 30px #00000080}.auth-header{text-align:center;margin-bottom:30px}.auth-header h1{color:var(--accent);margin:0;letter-spacing:2px}.auth-header p{color:var(--gray);font-size:.9rem}.auth-form{display:flex;flex-direction:column;gap:20px}.auth-input-group{display:flex;flex-direction:column;gap:8px}.auth-input-group label{font-size:.8rem;color:var(--gray);display:flex;align-items:center;gap:8px}.password-input-wrapper{position:relative;display:flex;align-items:center;width:100%}.auth-input-group input{width:100%;background:#000;border:1px solid #333;color:#fff;padding:12px;border-radius:8px;font-size:1rem}.auth-input-group input:focus{border-color:var(--accent);outline:none}.toggle-password{position:absolute;right:10px;background:none;border:none;color:var(--gray);cursor:pointer;display:flex;align-items:center}.auth-options{display:flex;justify-content:space-between;align-items:center;font-size:.8rem}.remember-me{display:flex;align-items:center;gap:5px;cursor:pointer}.forgot-link{background:none;border:none;color:var(--accent);cursor:pointer}.auth-submit-btn{background:var(--accent);color:#000;border:none;padding:14px;border-radius:10px;font-weight:700;font-size:1rem;display:flex;align-items:center;justify-content:center;gap:10px;cursor:pointer;margin-top:10px}.auth-submit-btn:disabled{opacity:.5;cursor:not-allowed}.auth-footer{margin-top:25px;text-align:center;font-size:.9rem}.auth-footer p{color:var(--gray)}.auth-footer button{background:none;border:none;color:var(--accent);font-weight:700;cursor:pointer}.auth-error{color:var(--danger);background:#ff4d4d1a;padding:10px;border-radius:6px;font-size:.85rem;border:1px solid var(--danger)}.auth-message{color:#4caf50;background:#4caf501a;padding:10px;border-radius:6px;font-size:.85rem;border:1px solid #4CAF50}.logout-container{padding:5px;border-top:1px solid #222;margin-top:10px;display:flex;justify-content:flex-end}.logout-btn{background:none;border:none;color:var(--gray);display:flex;align-items:center;gap:5px;font-size:.8rem;cursor:pointer}.back-btn{display:flex;align-items:center;gap:5px;margin:0 auto}