@keyframes skeleton-pulse{0%,100%{opacity:1}50%{opacity:0.5}}@keyframes skeleton-shimmer{0%{background-position:-1000px 0}100%{background-position:1000px 0}}.skeleton{background:linear-gradient(90deg,#f0f0f0 0%,#f8f8f8 20%,#f0f0f0 40%,#f0f0f0 100%);background-size:1000px 100%;animation:skeleton-shimmer 2s infinite linear;border-radius:8px;display:inline-block}.dark-theme .skeleton{background:linear-gradient(90deg,#1e293b 0%,#334155 20%,#1e293b 40%,#1e293b 100%)}.skeleton-text{height:1em;margin-bottom:0.5em;border-radius:4px;width:100%}.skeleton-text.short{width:60%}.skeleton-text.medium{width:80%}.skeleton-text.long{width:95%}.skeleton-title{height:2em;margin-bottom:1em;border-radius:8px;width:70%}.skeleton-subtitle{height:1.5em;margin-bottom:0.75em;border-radius:6px;width:50%}.skeleton-image{width:100%;height:200px;border-radius:12px}.skeleton-image.small{height:120px}.skeleton-image.large{height:300px}.skeleton-avatar{width:44px;height:44px;border-radius:50%;flex-shrink:0}.skeleton-avatar.small{width:32px;height:32px}.skeleton-avatar.large{width:64px;height:64px}.skeleton-card{padding:20px;background:#ffffff;border:1px solid #e9eef5;border-radius:16px;box-shadow:0 2px 12px rgba(0,0,0,0.04)}.dark-theme .skeleton-card{background:#1e293b;border-color:#334155}.skeleton-card-header{display:flex;align-items:center;gap:12px;margin-bottom:16px}.skeleton-card-body{display:flex;flex-direction:column;gap:8px}.skeleton-weather-card{min-width:200px;height:250px;border-radius:16px;flex-shrink:0;position:relative;overflow:hidden}.skeleton-weather-card::after{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.3),transparent);animation:skeleton-slide 2s infinite}@keyframes skeleton-slide{0%{left:-100%}100%{left:100%}}.skeleton-list{display:flex;flex-direction:column;gap:12px}.skeleton-list-item{display:flex;align-items:center;gap:12px;padding:12px;background:#ffffff;border:1px solid #e9eef5;border-radius:12px}.dark-theme .skeleton-list-item{background:#1e293b;border-color:#334155}.skeleton-list-item-content{flex:1;display:flex;flex-direction:column;gap:6px}.skeleton-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}.skeleton-table{width:100%;border-collapse:collapse}.skeleton-table-row{display:flex;gap:16px;padding:16px;border-bottom:1px solid #e9eef5}.dark-theme .skeleton-table-row{border-bottom-color:#334155}.skeleton-table-cell{flex:1}.skeleton-form-group{margin-bottom:20px}.skeleton-label{height:1em;width:30%;margin-bottom:8px;border-radius:4px}.skeleton-input{height:48px;width:100%;border-radius:12px}.skeleton-button{height:44px;width:150px;border-radius:999px}.skeleton-container{animation:skeleton-pulse 2s ease-in-out infinite}.loading-state{position:relative;min-height:200px;display:flex;align-items:center;justify-content:center}.loading-state::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(255,255,255,0.8);backdrop-filter:blur(2px);z-index:10}.dark-theme .loading-state::before{background:rgba(15,23,42,0.8)}.loading-spinner{width:40px;height:40px;border:3px solid #e9eef5;border-top-color:#1E90FF;border-radius:50%;animation:spin 0.8s linear infinite;position:relative;z-index:11}@keyframes spin{to{transform:rotate(360deg)}}.skeleton-fade-out{animation:fade-out 0.3s ease-out forwards}@keyframes fade-out{from{opacity:1}to{opacity:0}}.content-fade-in{animation:fade-in 0.3s ease-in forwards}@keyframes fade-in{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media (max-width:640px){.skeleton-grid{grid-template-columns:1fr}.skeleton-weather-card{min-width:100%}}