*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-primary: #b8860b;--color-primary-hover: #996f0a;--color-danger: #c0392b;--color-success: #27ae60;--color-warning: #d4a017;--color-bg: #faf9f7;--color-surface: #ffffff;--color-text: #2c2c2c;--color-text-muted: #6b6b6b;--color-border: #e8e4df;--radius: 8px;--shadow: 0 1px 3px rgba(0, 0, 0, .08)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.6}.app-layout{min-height:100vh;display:flex;flex-direction:column}.app-header{background:var(--color-surface);border-bottom:1px solid var(--color-border);padding:.75rem 1.5rem;display:flex;align-items:center;justify-content:space-between;box-shadow:var(--shadow)}.header-brand{display:flex;align-items:center;gap:1rem}.header-brand h2{font-size:1.1rem;font-weight:600}.user-name{color:var(--color-text-muted);font-size:.875rem}.header-nav{display:flex;align-items:center;gap:1rem}.header-nav a{color:var(--color-text-muted);text-decoration:none;padding:.5rem .75rem;border-radius:var(--radius);font-size:.875rem;font-weight:500;transition:color .15s,background .15s}.header-nav a:hover,.header-nav a.nav-active{color:var(--color-primary);background:#fdf6e3}.btn-logout{background:none;border:1px solid var(--color-border);padding:.4rem .75rem;border-radius:var(--radius);font-size:.8rem;cursor:pointer;color:var(--color-text-muted)}.btn-logout:hover{border-color:var(--color-danger);color:var(--color-danger)}.app-main{flex:1;padding:1.5rem;max-width:900px;margin:0 auto;width:100%}.page-container{display:flex;flex-direction:column;gap:1rem}.page-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.75rem}.page-header h1{font-size:1.5rem}.header-actions{display:flex;gap:.5rem}.form-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow);max-width:440px;width:100%;margin:2rem auto}.form-card h1{margin-bottom:1rem;font-size:1.4rem}.form-card h2{margin-bottom:.75rem;font-size:1.1rem}.form-field{margin-bottom:1rem}.form-field label{display:block;font-size:.875rem;font-weight:500;margin-bottom:.25rem;color:var(--color-text)}.form-field input{width:100%;padding:.5rem .75rem;border:1px solid var(--color-border);border-radius:var(--radius);font-size:.9rem;transition:border-color .15s}.form-field input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #2563eb1a}.form-field input:disabled{background:#f1f5f9}.field-error{display:block;color:var(--color-danger);font-size:.8rem;margin-top:.25rem}.char-count{display:block;color:var(--color-text-muted);font-size:.75rem;text-align:right;margin-top:.15rem}.btn-primary{width:100%;padding:.6rem 1rem;background:var(--color-primary);color:#fff;border:none;border-radius:var(--radius);font-size:.9rem;font-weight:500;cursor:pointer;transition:background .15s}.btn-primary:hover:not(:disabled){background:var(--color-primary-hover)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{padding:.5rem 1rem;background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border);border-radius:var(--radius);font-size:.85rem;font-weight:500;cursor:pointer;transition:border-color .15s}.btn-secondary:hover:not(:disabled){border-color:var(--color-primary);color:var(--color-primary)}.btn-secondary:disabled{opacity:.5;cursor:not-allowed}.btn-small{padding:.3rem .6rem;background:none;border:1px solid var(--color-border);border-radius:var(--radius);font-size:.8rem;cursor:pointer;color:var(--color-primary)}.btn-small:hover{background:#fdf6e3}.form-actions{display:flex;gap:.5rem;margin-top:.75rem}.form-actions .btn-primary{width:auto}.error-message{background:#fef2f2;border:1px solid #fecaca;color:var(--color-danger);padding:.6rem .75rem;border-radius:var(--radius);font-size:.85rem;margin-bottom:.75rem}.success-message{color:var(--color-success);margin-bottom:1rem;font-size:.95rem}.empty-message{color:var(--color-text-muted);text-align:center;padding:2rem 1rem;font-size:.95rem}.form-footer{text-align:center;margin-top:1rem;font-size:.85rem;color:var(--color-text-muted)}.form-footer a{color:var(--color-primary);text-decoration:none}.form-footer a:hover{text-decoration:underline}.loading{display:flex;align-items:center;justify-content:center;min-height:200px;color:var(--color-text-muted)}.items-list{display:flex;flex-direction:column;gap:.75rem}.item-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:1rem;box-shadow:var(--shadow)}.item-info{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap}.item-description{flex:1;font-weight:500;min-width:150px}.item-price{font-weight:600;color:var(--color-text)}.item-label{margin-top:.5rem}.item-label code{font-size:.8rem;background:#f1f5f9;padding:.2rem .5rem;border-radius:4px;color:var(--color-text-muted)}.status-badge{display:inline-block;padding:.2rem .5rem;border-radius:4px;font-size:.75rem;font-weight:500;text-transform:capitalize}.badge-listed{background:#dbeafe;color:#1e40af}.badge-sold{background:#dcfce7;color:#166534}.badge-returned{background:#fef3c7;color:#92400e}.badge-in-basket{background:#f3e8ff;color:#6b21a8}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:.75rem}.stat-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:1rem;text-align:center;box-shadow:var(--shadow)}.stat-value{display:block;font-size:1.75rem;font-weight:700;color:var(--color-primary)}.stat-label{display:block;font-size:.8rem;color:var(--color-text-muted);margin-top:.25rem}.revenue-summary{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:1.25rem;box-shadow:var(--shadow)}.revenue-summary h2{font-size:1rem;margin-bottom:.75rem}.revenue-row{display:flex;justify-content:space-between;padding:.4rem 0;font-size:.9rem}.revenue-row.revenue-total{border-top:1px solid var(--color-border);margin-top:.4rem;padding-top:.6rem;font-weight:600}.revenue-value{font-weight:500}.breakdown-section{margin-top:1rem}.breakdown-section h2{font-size:1rem;margin-bottom:.75rem}.breakdown-table{width:100%;border-collapse:collapse;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);overflow:hidden;font-size:.85rem}.breakdown-table th,.breakdown-table td{padding:.6rem .75rem;text-align:left;border-bottom:1px solid var(--color-border)}.breakdown-table th{background:#f8fafc;font-weight:600;font-size:.8rem;color:var(--color-text-muted)}.breakdown-table tr:last-child td{border-bottom:none}