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768px){.layout{flex-direction:column}.sidebar{width:100%;padding:12px 0}.sidebar-header h1{font-size:1.5rem}.nav-menu{display:flex;overflow-x:auto;gap:8px;justify-content:flex-start;padding:10px 15px}.nav-link{min-width:120px;padding:12px 20px;font-size:14px;flex-shrink:0}.main-content{padding:15px;margin:10px;border-radius:16px}.page-title{font-size:2rem}.page-subtitle{font-size:1rem}.card{padding:20px}.card-header{flex-direction:column;gap:15px;align-items:stretch}.table{font-size:14px}.table th,.table td{padding:12px 10px}.modal{margin:15px;padding:25px;width:calc(100% - 30px);max-width:none}.modal-title{font-size:1.5rem}.btn{padding:12px 20px;font-size:14px;min-height:44px}}@media (min-width: 769px) and (max-width: 1200px){.main-content{padding:30px;margin:15px}.nav-menu{gap:8px}.nav-link{min-width:130px}.card-header{flex-wrap:nowrap}}@media (min-width: 1201px){.layout{flex-direction:row}.sidebar{width:300px;flex-direction:column;position:fixed;height:100vh;overflow-y:auto}.nav-menu{flex-direction:column;gap:8px;padding:20px 15px}.nav-link{justify-content:flex-start;min-width:auto;width:100%}.main-content{margin:20px 20px 20px 320px}}