:root{--trendyol-orange: #f27a1a;--trendyol-dark: #333;--trendyol-grey: #666;--bg-partner: #f4f6f9;--sidebar-dark: #2c3e50;--success: #2ecc71;--danger: #e74c3c;--border-light: #e0e0e0}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Source Sans Pro,sans-serif;background-color:var(--bg-partner);color:var(--trendyol-dark)}.app-container{display:flex;min-height:100vh}.sidebar{width:240px;background-color:var(--sidebar-dark);color:#fff;padding:20px 0;display:flex;flex-direction:column}.sidebar-title{padding:0 20px 30px;font-size:1.4rem;font-weight:800;color:var(--trendyol-orange);text-align:center}.nav-link{padding:15px 25px;cursor:pointer;font-weight:600;transition:all .2s;display:flex;align-items:center;gap:12px}.nav-link:hover{background-color:#ffffff1a}.nav-link.active{background-color:var(--trendyol-orange);color:#fff}.main-content{flex:1;padding:30px;overflow-y:auto}.dashboard-container{max-width:1200px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}.stat-card{background:#fff;padding:24px;border-radius:8px;box-shadow:0 2px 4px #0000000d;border-left:4px solid var(--trendyol-orange)}.stat-label{font-size:.9rem;color:var(--trendyol-grey);margin-bottom:8px}.stat-value{font-size:1.8rem;font-weight:800;margin-bottom:8px}.stat-delta{font-size:.8rem;color:var(--trendyol-grey)}.stat-delta.positive{color:var(--success)}table{width:100%;background:#fff;border-radius:8px;overflow:hidden;border-collapse:collapse;margin-top:20px;box-shadow:0 2px 4px #0000000d}th{background:#f8f9fa;padding:15px;text-align:left;font-weight:700;font-size:.85rem;color:var(--trendyol-grey);border-bottom:1px solid var(--border-light)}td{padding:15px;border-bottom:1px solid var(--border-light);font-size:.9rem}.form-control{width:100%;padding:12px;margin-bottom:15px;border:1px solid var(--border-light);border-radius:4px;font-family:inherit}.btn{padding:10px 20px;border-radius:4px;border:none;font-weight:700;cursor:pointer;transition:opacity .2s}.btn-primary{background:var(--trendyol-orange);color:#fff}.btn-danger{background:var(--danger);color:#fff}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;padding:20px}.modal-content{background:#fff;padding:30px;border-radius:8px;width:100%;max-width:500px}