.admin{display:flex;min-height:100vh;background:var(--color-bg-light)}.admin__sidebar{width:260px;background:var(--color-bg-white);border-right:1px solid var(--color-border);display:flex;flex-direction:column;position:fixed;top:0;left:0;height:100vh;z-index:100}.admin__logo{padding:var(--spacing-lg);border-bottom:1px solid var(--color-border)}.admin__logo a{display:flex;align-items:center;gap:var(--spacing-sm);color:var(--color-text-primary);font-weight:700;font-size:var(--font-size-lg)}.admin__logo-icon{font-size:24px}.admin__logo-text{background:var(--color-primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.admin__nav{flex:1 1;overflow-y:auto;padding:var(--spacing-md)}.admin__sidebar-footer{padding:var(--spacing-md);border-top:1px solid var(--color-border)}.admin__logout-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);font-size:var(--font-size-sm);font-weight:500;color:var(--color-text-secondary);background:var(--color-bg-light);border:1px solid var(--color-border);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast)}.admin__logout-btn:hover:not(:disabled){background:var(--color-bg-white);border-color:var(--color-error);color:var(--color-error)}.admin__logout-btn:disabled{opacity:.6;cursor:not-allowed}.admin__nav-section{margin-bottom:var(--spacing-lg)}.admin__nav-title{font-size:var(--font-size-xs);font-weight:600;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.5px;padding:var(--spacing-xs) var(--spacing-sm);margin-bottom:var(--spacing-xs)}.admin__nav-list{list-style:none}.admin__nav-link{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);color:var(--color-text-secondary);font-size:var(--font-size-sm);border-radius:var(--radius-md);transition:all var(--transition-fast)}.admin__nav-link:hover{background:var(--color-bg-light);color:var(--color-primary)}.admin__nav-link--active{background:var(--color-primary);background:linear-gradient(135deg,rgba(255,107,0,.1),rgba(255,140,0,.1));color:var(--color-primary);font-weight:500}.admin__main{flex:1 1;margin-left:260px;padding:var(--spacing-lg);min-height:100vh}.admin-page{max-width:1200px;margin:0 auto}.admin-page__header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-lg)}.admin-page__title{font-size:var(--font-size-2xl);font-weight:700;color:var(--color-text-primary)}.admin-page__subtitle{font-size:var(--font-size-sm);color:var(--color-text-secondary);margin-top:var(--spacing-xs)}.admin-page__actions{display:flex;gap:var(--spacing-sm)}.admin-card{background:var(--color-bg-white);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden}.admin-card__header{padding:var(--spacing-md) var(--spacing-lg);border-bottom:1px solid var(--color-border-light);display:flex;justify-content:space-between;align-items:center}.admin-card__title{font-size:var(--font-size-lg);font-weight:600;color:var(--color-text-primary)}.admin-card__body{padding:var(--spacing-lg)}.admin-table{width:100%;border-collapse:collapse}.admin-table td,.admin-table th{padding:var(--spacing-md);text-align:left;border-bottom:1px solid var(--color-border-light)}.admin-table th{font-size:var(--font-size-sm);font-weight:600;color:var(--color-text-secondary);background:var(--color-bg-light)}.admin-table td{font-size:var(--font-size-sm);color:var(--color-text-primary)}.admin-table tr:hover td{background:var(--color-bg-light)}.admin-table__row--selected td{background:rgba(255,107,0,.08)}.admin-table__row--selected:hover td{background:rgba(255,107,0,.12)}.admin-table__actions{display:flex;gap:var(--spacing-xs)}.admin-btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-xs);padding:var(--spacing-sm) var(--spacing-md);font-size:var(--font-size-sm);font-weight:500;border-radius:var(--radius-md);transition:all var(--transition-fast);cursor:pointer}.admin-btn--primary{background:var(--color-primary-gradient);color:var(--color-text-inverse)}.admin-btn--primary:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}.admin-btn--secondary{background:var(--color-bg-light);color:var(--color-text-primary);border:1px solid var(--color-border)}.admin-btn--secondary:hover{background:var(--color-bg-white);border-color:var(--color-primary);color:var(--color-primary)}.admin-btn--danger{background:var(--color-error);color:var(--color-text-inverse)}.admin-btn--danger:hover{opacity:.9}.admin-btn--small{padding:var(--spacing-xs) var(--spacing-sm);font-size:var(--font-size-xs)}.admin-btn--icon{width:32px;height:32px;padding:0}.admin-form{max-width:600px}.admin-form__group{margin-bottom:var(--spacing-lg)}.admin-form__label{display:block;font-size:var(--font-size-sm);font-weight:500;color:var(--color-text-primary);margin-bottom:var(--spacing-xs)}.admin-form__hint{font-size:var(--font-size-xs);color:var(--color-text-muted);margin-top:var(--spacing-xs)}.admin-form__input,.admin-form__select,.admin-form__textarea{width:100%;padding:var(--spacing-sm) var(--spacing-md);font-size:var(--font-size-md);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg-white);color:var(--color-text-primary);transition:all var(--transition-fast)}.admin-form__input:focus,.admin-form__select:focus,.admin-form__textarea:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px rgba(255,107,0,.1)}.admin-form__textarea{min-height:120px;resize:vertical}.admin-form__checkbox{display:flex;align-items:center;gap:var(--spacing-sm);cursor:pointer}.admin-form__checkbox input{accent-color:var(--color-primary);width:18px;height:18px}.admin-form__actions{display:flex;gap:var(--spacing-sm);margin-top:var(--spacing-xl)}.admin-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));grid-gap:var(--spacing-md);gap:var(--spacing-md);margin-bottom:var(--spacing-lg)}.admin-stat{background:var(--color-bg-white);padding:var(--spacing-lg);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.admin-stat__icon{font-size:32px;margin-bottom:var(--spacing-sm)}.admin-stat__value{font-size:var(--font-size-2xl);font-weight:700;color:var(--color-text-primary)}.admin-stat__label{font-size:var(--font-size-sm);color:var(--color-text-secondary);margin-top:var(--spacing-xs)}.admin-empty{text-align:center;padding:var(--spacing-2xl);color:var(--color-text-muted)}.admin-empty__icon{font-size:64px;margin-bottom:var(--spacing-md);opacity:.5}.admin-empty__title{font-size:var(--font-size-lg);font-weight:600;color:var(--color-text-secondary);margin-bottom:var(--spacing-sm)}.admin-empty__desc{font-size:var(--font-size-sm);margin-bottom:var(--spacing-lg)}.admin-badge{display:inline-flex;align-items:center;padding:var(--spacing-xs) var(--spacing-sm);font-size:var(--font-size-xs);font-weight:500;border-radius:var(--radius-full)}.admin-badge--success{background:rgba(82,196,26,.1);color:var(--color-success)}.admin-badge--warning{background:rgba(250,173,20,.1);color:var(--color-warning)}.admin-badge--error{background:rgba(255,77,79,.1);color:var(--color-error)}.admin-badge--info{background:rgba(24,144,255,.1);color:var(--color-info)}.admin-grid--products{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));grid-gap:var(--spacing-lg);gap:var(--spacing-lg);padding:var(--spacing-lg)}.product-card{position:relative;background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden;transition:box-shadow .2s,transform .2s,border-color .2s;border:2px solid transparent}.product-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.product-card--selected{border-color:var(--color-primary);box-shadow:0 0 0 3px rgba(255,107,0,.15)}.product-card__checkbox{position:absolute;top:var(--spacing-sm);left:var(--spacing-sm);z-index:10;background:#fff;border-radius:var(--radius-sm);padding:2px;box-shadow:var(--shadow-sm)}.product-card__checkbox input{width:18px;height:18px;cursor:pointer}.product-card__image{height:160px;background:linear-gradient(135deg,#f5f5f5,#e5e5e5);display:flex;align-items:center;justify-content:center}.product-card__image img{width:100%;height:100%;object-fit:cover}.product-card__placeholder{font-size:3rem;opacity:.3}.product-card__body{padding:var(--spacing-md)}.product-card__title{font-size:var(--font-size-lg);font-weight:600;color:var(--color-text);margin-bottom:var(--spacing-xs)}.product-card__exhibitor{font-size:var(--font-size-sm);color:var(--color-text-secondary);margin-bottom:var(--spacing-xs)}.product-card__booth{font-size:var(--font-size-xs);color:var(--color-text-muted);margin-bottom:var(--spacing-sm)}.product-card__desc{font-size:var(--font-size-sm);color:var(--color-text-muted);line-height:1.5;margin-top:var(--spacing-sm)}.product-card__footer{padding:var(--spacing-md);padding-top:0}.admin-badge--secondary{background:rgba(255,107,0,.1);color:var(--color-primary)}.admin__menu-toggle{display:none;position:fixed;top:var(--spacing-md);left:var(--spacing-md);z-index:200;width:44px;height:44px;background:var(--color-primary-gradient);color:#fff;border:none;border-radius:var(--radius-md);font-size:20px;cursor:pointer;box-shadow:var(--shadow-md);transition:transform .2s}.admin__menu-toggle:hover{transform:scale(1.05)}.admin__overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);z-index:90}@media (max-width:768px){.admin__menu-toggle{display:flex;align-items:center;justify-content:center}.admin__overlay{display:block}.admin__sidebar{transform:translateX(-100%);transition:transform .3s ease-in-out}.admin__sidebar--open{transform:translateX(0)}.admin__main{margin-left:0;padding-top:70px}.admin-page__header{flex-direction:column;align-items:flex-start;gap:var(--spacing-md)}.admin-table{display:block;overflow-x:auto}.admin-stats{grid-template-columns:repeat(2,1fr)}}