@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap";:root{--sidebar-width: 260px;--sidebar-collapsed-width: 72px;--header-height: 64px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--radius-full: 9999px;--transition-fast: .15s ease;--transition-base: .25s ease;--transition-slow: .35s cubic-bezier(.4, 0, .2, 1)}[data-theme=dark]{--color-bg-primary: #0a0e1a;--color-bg-secondary: #111827;--color-bg-tertiary: #1f2937;--color-bg-card: rgba(17, 24, 39, .8);--color-bg-card-hover: rgba(31, 41, 55, .9);--color-bg-glass: rgba(17, 24, 39, .6);--color-border: rgba(255, 255, 255, .08);--color-border-hover: rgba(255, 255, 255, .15);--color-text-primary: #f9fafb;--color-text-secondary: #9ca3af;--color-text-tertiary: #6b7280;--color-text-muted: #4b5563;--color-accent: #818cf8;--color-accent-hover: #6366f1;--color-accent-glow: rgba(129, 140, 248, .25);--color-accent-subtle: rgba(129, 140, 248, .1);--color-danger: #f87171;--color-danger-bg: rgba(248, 113, 113, .1);--color-success: #34d399;--color-warning: #fbbf24;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 4px 14px rgba(0, 0, 0, .35);--shadow-lg: 0 10px 40px rgba(0, 0, 0, .4);--shadow-glow: 0 0 30px rgba(129, 140, 248, .15);--scrollbar-thumb: #374151;--scrollbar-track: #111827}[data-theme=light]{--color-bg-primary: #f8fafc;--color-bg-secondary: #ffffff;--color-bg-tertiary: #f1f5f9;--color-bg-card: rgba(255, 255, 255, .9);--color-bg-card-hover: rgba(241, 245, 249, 1);--color-bg-glass: rgba(255, 255, 255, .7);--color-border: rgba(0, 0, 0, .08);--color-border-hover: rgba(0, 0, 0, .15);--color-text-primary: #0f172a;--color-text-secondary: #475569;--color-text-tertiary: #94a3b8;--color-text-muted: #cbd5e1;--color-accent: #6366f1;--color-accent-hover: #4f46e5;--color-accent-glow: rgba(99, 102, 241, .2);--color-accent-subtle: rgba(99, 102, 241, .08);--color-danger: #ef4444;--color-danger-bg: rgba(239, 68, 68, .08);--color-success: 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spin{to{transform:rotate(360deg)}}.login{position:relative;display:flex;align-items:center;justify-content:center;min-height:100vh;overflow:hidden;background:var(--color-bg-primary)}.login__bg{position:absolute;inset:0;overflow:hidden;z-index:0}.login__bg-orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.5;animation:float 8s ease-in-out infinite}.login__bg-orb--1{width:400px;height:400px;background:linear-gradient(135deg,#6366f1,#818cf8);top:-10%;left:-5%;animation-delay:0s}.login__bg-orb--2{width:300px;height:300px;background:linear-gradient(135deg,#a78bfa,#c084fc);bottom:-5%;right:-5%;animation-delay:-3s}.login__bg-orb--3{width:250px;height:250px;background:linear-gradient(135deg,#818cf8,#6366f1);top:50%;left:50%;transform:translate(-50%,-50%);animation-delay:-5s}@keyframes float{0%,to{transform:translate(0) scale(1)}33%{transform:translate(30px,-30px) scale(1.05)}66%{transform:translate(-20px,20px) scale(.95)}}.login__card{position:relative;z-index:1;width:100%;max-width:420px;padding:40px;background:var(--color-bg-glass);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border:1px solid var(--color-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg),var(--shadow-glow);animation:cardEnter .6s cubic-bezier(.16,1,.3,1)}@keyframes cardEnter{0%{opacity:0;transform:translateY(30px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}.login__header{text-align:center;margin-bottom:32px}.login__logo{font-size:48px;margin-bottom:8px;animation:pulse 2s ease-in-out infinite}@keyframes 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var(--color-border);border-radius:var(--radius-md);padding:16px}.users-table-skeleton__row{display:flex;align-items:center;gap:20px;padding:14px 8px;border-bottom:1px solid var(--color-border)}.users-table-skeleton__row:last-child{border-bottom:none}.users-error{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;gap:12px;color:var(--color-text-tertiary);font-size:1.6rem}.users-error p{font-size:.9rem}.users-error button{padding:8px 20px;background:var(--color-accent);color:#fff;border-radius:var(--radius-sm);font-size:.85rem;font-weight:500;transition:opacity var(--transition-fast)}.users-error button:hover{opacity:.9}.users-page__footer{margin-top:16px;font-size:.8rem;color:var(--color-text-tertiary);text-align:right}.modal-overlay{position:fixed;inset:0;background:#00000080;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1100;padding:20px;animation:overlayIn .2s 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var(--transition-fast)}.modal__close:hover{background:var(--color-bg-tertiary);color:var(--color-text-primary)}.modal__loading{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:40px;color:var(--color-text-secondary)}.modal__header{display:flex;align-items:center;gap:16px;margin-bottom:24px}.modal__avatar{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,var(--color-accent),#a78bfa);color:#fff;font-size:1.4rem;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}.modal__name{font-size:1.25rem;font-weight:700;margin-bottom:6px}.modal__details{display:flex;flex-direction:column;gap:16px}.modal__detail-item{display:flex;align-items:flex-start;gap:12px}.modal__detail-icon{font-size:1.2rem;color:var(--color-accent);margin-top:2px;flex-shrink:0}.modal__detail-item label{font-size:.75rem;font-weight:500;color:var(--color-text-tertiary);text-transform:uppercase;letter-spacing:.3px}.modal__detail-item p{font-size:.9rem;color:var(--color-text-primary);margin-top:2px;word-break:break-all}.delete-confirm{text-align:center}.delete-confirm__icon{width:56px;height:56px;border-radius:50%;background:var(--color-danger-bg);color:var(--color-danger);font-size:1.6rem;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}.delete-confirm h3{font-size:1.15rem;font-weight:600;margin-bottom:8px}.delete-confirm p{font-size:.88rem;color:var(--color-text-secondary);margin-bottom:24px;line-height:1.5}.delete-confirm__actions{display:flex;gap:10px;justify-content:center}.delete-confirm__btn{padding:10px 24px;border-radius:var(--radius-sm);font-size:.875rem;font-weight:500;transition:all var(--transition-fast);display:flex;align-items:center;justify-content:center;min-width:100px}.delete-confirm__btn--cancel{background:var(--color-bg-tertiary);color:var(--color-text-secondary);border:1px solid var(--color-border)}.delete-confirm__btn--cancel:hover{background:var(--color-bg-card-hover)}.delete-confirm__btn--delete{background:var(--color-danger);color:#fff}.delete-confirm__btn--delete:hover{opacity:.9}.delete-confirm__btn:disabled{opacity:.6;cursor:not-allowed}.toast{position:fixed;top:24px;right:24px;display:flex;align-items:center;gap:10px;padding:14px 20px;border-radius:var(--radius-sm);font-size:.875rem;font-weight:500;z-index:1200;animation:toastIn .3s cubic-bezier(.16,1,.3,1);box-shadow:var(--shadow-lg)}@keyframes toastIn{0%{opacity:0;transform:translate(30px)}to{opacity:1;transform:translate(0)}}.toast--success{background:var(--color-success);color:#fff}.toast--error{background:var(--color-danger);color:#fff}.toast svg{font-size:1.2rem;flex-shrink:0}@media(max-width:900px){.users-table-wrapper{overflow-x:auto}.users-table{min-width:700px}}@media(max-width:600px){.users-toolbar{flex-direction:column;align-items:stretch}.users-toolbar__filters{overflow-x:auto;padding-bottom:4px}}.products-page{width:100%;position:relative}.products-page__header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;flex-wrap:wrap;gap:16px}.products-page__title{font-size:1.5rem;font-weight:700;display:flex;align-items:center;gap:10px}.products-page__title-icon{color:var(--color-accent);font-size:1.6rem}.products-page__subtitle{color:var(--color-text-secondary);font-size:.9rem;margin-top:4px}.products-page__add-btn{display:flex;align-items:center;gap:8px;padding:10px 22px;background:linear-gradient(135deg,var(--color-accent-hover),var(--color-accent));color:#fff;font-size:.875rem;font-weight:600;border-radius:var(--radius-sm);transition:transform var(--transition-fast),box-shadow var(--transition-fast)}.products-page__add-btn:hover{transform:translateY(-1px);box-shadow:0 4px 16px var(--color-accent-glow)}.products-toolbar{display:flex;align-items:center;gap:16px;margin-bottom:24px;flex-wrap:wrap}.products-toolbar__search{position:relative;display:flex;align-items:center;flex:1;min-width:200px}.products-toolbar__search-icon{position:absolute;left:14px;font-size:1.1rem;color:var(--color-text-tertiary);pointer-events:none}.products-toolbar__search-input{width:100%;padding:10px 40px 10px 42px;background:var(--color-bg-tertiary);border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text-primary);font-size:.875rem;transition:border-color var(--transition-fast)}.products-toolbar__search-input::placeholder{color:var(--color-text-muted)}.products-toolbar__search-input:focus{border-color:var(--color-accent)}.products-toolbar__search-clear{position:absolute;right:10px;display:flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;font-size:1rem;color:var(--color-text-tertiary);transition:all var(--transition-fast)}.products-toolbar__search-clear:hover{background:var(--color-bg-card-hover);color:var(--color-text-primary)}.products-toolbar__filters{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.products-toolbar__filter-icon{color:var(--color-text-tertiary);font-size:1.1rem;margin-right:4px}.products-toolbar__filter-btn{padding:6px 14px;border-radius:var(--radius-full);font-size:.78rem;font-weight:500;color:var(--color-text-secondary);background:var(--color-bg-tertiary);border:1px solid var(--color-border);transition:all 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var(--transition-fast)}.course-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--color-border-hover)}.course-card__thumb-wrap{position:relative;height:180px;overflow:hidden;background:var(--color-bg-tertiary)}.course-card__thumb{width:100%;height:100%;object-fit:cover;transition:transform var(--transition-base)}.course-card:hover .course-card__thumb{transform:scale(1.05)}.course-card__thumb-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:3rem;color:var(--color-text-muted)}.status-badge{display:inline-flex;align-items:center;padding:3px 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.upload-zone__icon{color:var(--color-accent)}.upload-zone__text{font-size:.85rem;font-weight:500;color:var(--color-text-secondary);margin:0}.upload-zone__hint{font-size:.72rem;color:var(--color-text-muted)}.upload-preview{position:relative;border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--color-border)}.upload-preview__img{width:100%;max-height:200px;object-fit:cover;display:block}.upload-preview__remove{position:absolute;top:8px;right:8px;width:28px;height:28px;border-radius:50%;background:#0009;color:#fff;font-size:1rem;display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.upload-preview__remove:hover{background:var(--color-danger);transform:scale(1.1)}.upload-gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:10px;margin-bottom:10px}.upload-gallery-item{position:relative;border-radius:var(--radius-sm);overflow:hidden;border:1px 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p{font-size:.9rem;margin:0}.message-detail{padding:8px 0}.message-detail__row{display:flex;margin-bottom:16px;padding-bottom:16px;border-bottom:1px solid var(--color-border)}.message-detail__row:last-child{margin-bottom:0;padding-bottom:0;border-bottom:none}.message-detail__col{flex:1}.message-detail__label{font-size:.75rem;text-transform:uppercase;letter-spacing:.5px;color:var(--color-text-tertiary);font-weight:600;margin-bottom:4px}.message-detail__value{font-size:.95rem;color:var(--color-text-primary);font-weight:500}.message-detail__valuea{color:var(--color-accent);text-decoration:none}.message-detail__valuea:hover{text-decoration:underline}.message-detail__body{margin-top:12px;background:var(--color-bg-tertiary);padding:16px;border-radius:var(--radius-md);color:var(--color-text-secondary);font-size:.95rem;line-height:1.6;white-space:pre-wrap;border:1px solid var(--color-border)}.sessions-page{animation:fadeIn .3s ease-in-out;display:flex;flex-direction:column;gap:24px;height:100%}.sessions-page__header{display:flex;align-items:center;justify-content:space-between}.sessions-page__title{font-size:1.8rem;font-weight:700;display:flex;align-items:center;gap:12px;margin-bottom:8px}.sessions-page__title-icon{color:var(--color-accent)}.sessions-page__subtitle{color:var(--color-text-tertiary);font-size:.95rem}.sessions-toolbar{display:flex;align-items:center;gap:16px;background:var(--color-bg-card);padding:16px 20px;border-radius:var(--radius-md);border:1px solid var(--color-border)}.sessions-toolbar__search{flex:1;position:relative;display:flex;align-items:center}.sessions-toolbar__search-icon{position:absolute;left:14px;color:var(--color-text-muted);font-size:1.2rem}.sessions-toolbar__search-input{width:100%;padding:12px 14px 12px 42px;border-radius:var(--radius-md);border:1px solid var(--color-border);background:var(--color-bg-secondary);color:var(--color-text-primary);font-size:.95rem;transition:all var(--transition-fast)}.sessions-toolbar__search-input:focus{border-color:var(--color-accent);box-shadow:0 0 0 3px var(--color-accent-subtle);outline:none}.sessions-table-container{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow-x:auto;flex:1}.sessions-table{width:100%;border-collapse:collapse;text-align:left}.sessions-table th{padding:16px 20px;font-size:.75rem;text-transform:uppercase;letter-spacing:.5px;color:var(--color-text-tertiary);border-bottom:1px solid var(--color-border);background:var(--color-bg-secondary);font-weight:600}.sessions-table td{padding:16px 20px;border-bottom:1px solid var(--color-border);font-size:.95rem;color:var(--color-text-secondary)}.sessions-table tbody tr{transition:background var(--transition-fast)}.sessions-table tbody tr:hover{background:var(--color-bg-card-hover)}.session-user{display:flex;align-items:center;gap:12px}.session-user__avatar{width:36px;height:36px;border-radius:50%;background:var(--color-accent-subtle);color:var(--color-accent);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:1rem}.session-user__info{display:flex;flex-direction:column}.session-user__name{font-weight:600;color:var(--color-text-primary)}.session-user__email{font-size:.8rem;color:var(--color-text-tertiary)}.session-device{font-family:monospace;font-size:.85rem;padding:4px 8px;background:var(--color-bg-secondary);border-radius:var(--radius-sm);color:var(--color-text-secondary);display:inline-block;max-width:200px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sessions-actions{display:flex;align-items:center;gap:8px}.session-action-btn{width:34px;height:34px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;border:1px solid transparent;background:transparent;color:var(--color-text-muted);cursor:pointer;transition:all var(--transition-fast);font-size:1.15rem}.session-action-btn:hover{background:var(--color-bg-secondary);color:var(--color-text-primary);border-color:var(--color-border)}.session-action-btn--delete:hover{background:#ef44441a;color:var(--color-danger);border-color:#ef444433}.user-sessions-modal__header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.user-sessions-modal__list{display:flex;flex-direction:column;gap:12px;max-height:400px;overflow-y:auto;margin-bottom:20px}.user-sessions-card{display:flex;align-items:center;justify-content:space-between;padding:16px;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg-secondary)}.user-sessions-card__info{display:flex;flex-direction:column;gap:4px}.pagination{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:auto;padding-top:16px}.pagination-btn{padding:8px 16px;border-radius:var(--radius-sm);background:var(--color-bg-card);border:1px solid var(--color-border);color:var(--color-text-secondary);font-weight:500;cursor:pointer}.pagination-btn:hover:not(:disabled){background:var(--color-bg-secondary);color:var(--color-text-primary)}.pagination-btn:disabled{opacity:.5;cursor:not-allowed}.dashboard-layout{display:flex;height:100vh;overflow:hidden;background:var(--color-bg-primary)}.dashboard-layout__main{flex:1;display:flex;flex-direction:column;overflow:hidden;margin-left:var(--sidebar-width);transition:margin-left var(--transition-slow)}.dashboard-layout--collapsed .dashboard-layout__main{margin-left:var(--sidebar-collapsed-width)}.dashboard-layout__content{flex:1;overflow-y:auto;padding:28px}.sidebar{position:fixed;top:0;left:0;height:100vh;width:var(--sidebar-width);background:var(--color-bg-secondary);border-right:1px solid var(--color-border);display:flex;flex-direction:column;z-index:100;transition:width var(--transition-slow);overflow:hidden}.sidebar--collapsed{width:var(--sidebar-collapsed-width)}.sidebar__brand{padding:20px 16px;border-bottom:1px solid var(--color-border);min-height:65px;display:flex;align-items:center}.sidebar__logo{display:flex;align-items:center;gap:12px;overflow:hidden;white-space:nowrap}.sidebar__logo-icon{font-size:1.6rem;flex-shrink:0;width:36px;text-align:center}.sidebar__logo-text{font-size:1.2rem;font-weight:700;background:linear-gradient(135deg,var(--color-accent),#a78bfa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translate(-8px)}to{opacity:1;transform:translate(0)}}.sidebar__nav{flex:1;padding:12px 8px;overflow-y:auto;overflow-x:hidden}.sidebar__list{display:flex;flex-direction:column;gap:4px}.sidebar__link{display:flex;align-items:center;gap:12px;padding:11px 14px;border-radius:var(--radius-sm);color:var(--color-text-secondary);font-size:.9rem;font-weight:500;transition:all var(--transition-fast);white-space:nowrap;overflow:hidden;position:relative}.sidebar__link:hover{background:var(--color-accent-subtle);color:var(--color-text-primary)}.sidebar__link--active{background:var(--color-accent-subtle);color:var(--color-accent);font-weight:600}.sidebar__link--active:before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:60%;background:var(--color-accent);border-radius:var(--radius-full)}.sidebar__link-icon{font-size:1.3rem;flex-shrink:0;width:24px}.sidebar__link-text{animation:fadeIn .25s ease}.sidebar__toggle{padding:14px;border-top:1px solid var(--color-border);display:flex;align-items:center;justify-content:center;color:var(--color-text-tertiary);font-size:1.2rem;transition:color var(--transition-fast),background var(--transition-fast)}.sidebar__toggle:hover{color:var(--color-text-primary);background:var(--color-bg-tertiary)}.header{display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:var(--header-height);background:var(--color-bg-secondary);border-bottom:1px solid var(--color-border);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);flex-shrink:0;position:relative;z-index:900}.header__left{display:flex;align-items:center;gap:16px}.header__right{display:flex;align-items:center;gap:8px}.header__menu-btn{display:flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:var(--radius-sm);font-size:1.4rem;color:var(--color-text-secondary);transition:all var(--transition-fast)}.header__menu-btn:hover{background:var(--color-bg-tertiary);color:var(--color-text-primary)}.header__search{position:relative;display:flex;align-items:center}.header__search-icon{position:absolute;left:12px;font-size:1.1rem;color:var(--color-text-tertiary);pointer-events:none}.header__search-input{padding:9px 14px 9px 38px;background:var(--color-bg-tertiary);border:1px solid var(--color-border);border-radius:var(--radius-full);width:260px;font-size:.875rem;color:var(--color-text-primary);transition:border-color var(--transition-fast),width var(--transition-base)}.header__search-input::placeholder{color:var(--color-text-muted)}.header__search-input:focus{border-color:var(--color-accent);width:320px}.header__icon-btn{position:relative;display:flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:var(--radius-sm);font-size:1.3rem;color:var(--color-text-secondary);transition:all var(--transition-fast)}.header__icon-btn:hover{background:var(--color-bg-tertiary);color:var(--color-text-primary)}.header__badge{position:absolute;top:4px;right:4px;width:18px;height:18px;background:var(--color-danger);color:#fff;font-size:.65rem;font-weight:700;border-radius:50%;display:flex;align-items:center;justify-content:center}.header__user{position:relative;margin-left:8px}.header__user-btn{display:flex;align-items:center;gap:10px;padding:6px 12px 6px 6px;border-radius:var(--radius-full);transition:background var(--transition-fast)}.header__user-btn:hover{background:var(--color-bg-tertiary)}.header__avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--color-accent),#a78bfa);color:#fff;font-size:.85rem;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}.header__username{font-size:.875rem;font-weight:500;color:var(--color-text-primary)}.header__dropdown{position:absolute;top:calc(100% + 8px);right:0;min-width:220px;background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);padding:8px;z-index:1000;animation:dropdownIn .2s cubic-bezier(.16,1,.3,1)}@keyframes dropdownIn{0%{opacity:0;transform:translateY(-8px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}.header__dropdown-header{padding:10px 12px}.header__dropdown-name{font-size:.9rem;font-weight:600;color:var(--color-text-primary)}.header__dropdown-email{font-size:.8rem;color:var(--color-text-tertiary);margin-top:2px}.header__dropdown-divider{height:1px;background:var(--color-border);margin:4px 0}.header__dropdown-item{display:flex;align-items:center;gap:10px;width:100%;padding:10px 12px;border-radius:var(--radius-sm);font-size:.875rem;color:var(--color-text-secondary);transition:all var(--transition-fast)}.header__dropdown-item:hover{background:var(--color-bg-tertiary);color:var(--color-text-primary)}.header__dropdown-item--danger:hover{background:var(--color-danger-bg);color:var(--color-danger)}.dashboard-page{width:100%}.dashboard-page__greeting h1{font-size:1.6rem;font-weight:700}.dashboard-page__name{background:linear-gradient(135deg,var(--color-accent),#a78bfa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.dashboard-page__greeting p{color:var(--color-text-secondary);margin-top:4px;font-size:.95rem}.dashboard-page__stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin-top:28px}.stat-card{display:flex;align-items:center;gap:16px;padding:22px;background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-md);transition:transform var(--transition-fast),box-shadow var(--transition-fast),border-color var(--transition-fast)}.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--color-border-hover)}.stat-card__icon{width:48px;height:48px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1.4rem;flex-shrink:0}.stat-card__label{font-size:.8rem;font-weight:500;color:var(--color-text-tertiary);text-transform:uppercase;letter-spacing:.5px}.stat-card__value{font-size:1.5rem;font-weight:700;margin-top:2px}.dashboard-page__placeholder{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:20px;margin-top:28px}.placeholder-card{padding:24px;background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-md)}.placeholder-card h3{font-size:1rem;font-weight:600;margin-bottom:6px}.placeholder-card p{font-size:.85rem;color:var(--color-text-secondary);margin-bottom:18px}.placeholder-card__skeleton{display:flex;flex-direction:column;gap:12px}.skeleton-bar{height:10px;background:linear-gradient(90deg,var(--color-bg-tertiary) 25%,var(--color-border-hover) 50%,var(--color-bg-tertiary) 75%);background-size:200% 100%;border-radius:var(--radius-full);animation:shimmer 1.5s ease-in-out infinite}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@media(max-width:768px){.sidebar,.sidebar--collapsed{transform:translate(-100%)}.dashboard-layout__main{margin-left:0!important}.header__search-input{width:160px}.header__search-input:focus{width:200px}.header__username{display:none}.dashboard-layout__content{padding:20px 16px}}