@keyframes skeleton-loading{0%{background-position:-200% 0}to{background-position:200% 0}}.skeleton{background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0,#f0f0f0 75%);background-size:200% 100%;animation:skeleton-loading 1.5s ease-in-out infinite;border-radius:4px}#navbar-skeleton{position:relative;z-index:999;background:#fff}#navbar-skeleton .topbar-skeleton{background:#2c2c2c;padding:8px;text-align:center;height:29px}#navbar-skeleton .topbar-skeleton .skeleton{display:inline-block;width:400px;max-width:80%;height:13px;background:linear-gradient(90deg,#3c3c3c 25%,#4c4c4c,#3c3c3c 75%);background-size:200% 100%;animation:skeleton-loading 1.5s ease-in-out infinite}#navbar-skeleton .navbar-skeleton{background:#fff;padding:15px 0;box-shadow:0 2px 5px #0000001a}#navbar-skeleton .nav-container-skeleton{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:0 20px}#navbar-skeleton .logo-skeleton{display:flex;align-items:center;gap:10px;margin-left:20px}#navbar-skeleton .logo-skeleton .skeleton{width:120px;height:80px}#navbar-skeleton .nav-links-skeleton{display:flex;gap:40px;align-items:center}#navbar-skeleton .nav-links-skeleton .skeleton{width:100px;height:20px}#navbar-skeleton .nav-links-skeleton .skeleton:nth-child(2){width:120px}#navbar-skeleton .nav-links-skeleton .skeleton:nth-child(3){width:80px}#navbar-skeleton .nav-links-skeleton .skeleton:nth-child(4){width:110px}#navbar-skeleton .nav-links-skeleton .skeleton:nth-child(5){width:105px}#navbar-skeleton .nav-links-skeleton .skeleton:nth-child(6){width:90px}@media(max-width:767px){#navbar-skeleton .nav-links-skeleton{display:none}#navbar-skeleton .mobile-menu-skeleton{display:block;width:30px;height:24px}}@media(min-width:768px){#navbar-skeleton .mobile-menu-skeleton{display:none}}.assignment-cards-skeleton{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;margin-top:20px}.assignment-card-skeleton{background:#fff;border-radius:12px;padding:20px;box-shadow:0 3px 10px #0000001a;display:flex;flex-direction:column;gap:15px}.assignment-card-skeleton .title-skeleton{height:24px;width:80%;margin-bottom:10px}.assignment-card-skeleton .tags-skeleton{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px}.assignment-card-skeleton .tags-skeleton .skeleton{height:24px;width:60px;border-radius:12px}.assignment-card-skeleton .tags-skeleton .skeleton:nth-child(2){width:80px}.assignment-card-skeleton .tags-skeleton .skeleton:nth-child(3){width:50px}.assignment-card-skeleton .rate-skeleton{height:16px;width:60%;margin-bottom:5px}.assignment-card-skeleton .rate-skeleton:nth-child(2){width:50%}.assignment-card-skeleton .actions-skeleton{display:flex;justify-content:space-between;align-items:center;margin-top:auto}.assignment-card-skeleton .actions-skeleton .link-skeleton{height:18px;width:110px}.assignment-card-skeleton .actions-skeleton .button-skeleton{height:36px;width:80px;border-radius:8px}.profile-skeleton{max-width:800px;margin:40px auto;padding:0 20px}.profile-header-skeleton{background:#fff;border-radius:12px;padding:30px;box-shadow:0 3px 10px #0000001a;margin-bottom:30px}.profile-header-skeleton .title-skeleton{height:32px;width:200px;margin-bottom:20px}.profile-header-skeleton .subtitle-skeleton{height:20px;width:150px;margin-bottom:30px}.profile-section-skeleton{background:#fff;border-radius:12px;padding:25px;box-shadow:0 3px 10px #0000001a;margin-bottom:20px}.profile-section-skeleton .section-title-skeleton{height:24px;width:180px;margin-bottom:20px}.profile-field-skeleton{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}.profile-field-skeleton .label-skeleton{height:16px;width:120px}.profile-field-skeleton .value-skeleton{height:40px;width:100%;border-radius:6px}.profile-field-skeleton .value-skeleton.short{width:50%}.profile-field-skeleton .value-skeleton.medium{width:70%}.table-skeleton{background:#fff;border-radius:12px;padding:20px;box-shadow:0 3px 10px #0000001a}.table-skeleton .table-header-skeleton{display:flex;gap:20px;padding-bottom:15px;border-bottom:2px solid #e0e0e0;margin-bottom:15px}.table-skeleton .table-header-skeleton .skeleton{height:20px;flex:1}.table-skeleton .table-row-skeleton{display:flex;gap:20px;padding:15px 0;border-bottom:1px solid #f0f0f0}.table-skeleton .table-row-skeleton .skeleton{height:18px;flex:1}.skeleton-container{width:100%;padding:20px}.skeleton-text{height:16px;margin-bottom:10px}.skeleton-text.large{height:24px}.skeleton-text.small{height:12px}.skeleton-circle{border-radius:50%}.skeleton-button{height:40px;border-radius:8px}.skeleton-fadeout{animation:fadeOut .3s ease-out forwards}@keyframes fadeOut{0%{opacity:1}to{opacity:0}}