:root{--primary-bg-gradient: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 100%);--secondary-bg: #ffffff;--text-primary: #1f2937;--text-secondary: #6b7280;--border-color: #dbeafe;--accent-color: #2563eb;--accent-hover-color: #1d4ed8;--category-active-bg: #dbeafe;--category-active-text: #1e40af;--card-shadow: 0 4px 12px rgba(37, 99, 235, .08);--button-hover-bg: #eff6ff;--copied-tooltip-bg: rgba(37, 99, 235, .8);--copied-tooltip-color: #ffffff;--light-blue-accent: #60a5fa}body{margin:0;font-family:-apple-system,Inter,PingFang SC,system-ui,sans-serif;background:var(--primary-bg-gradient);color:var(--text-primary);line-height:1.6;font-size:15px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app-container{display:flex;flex-direction:column;min-height:100vh;overflow-x:hidden}.app-header{background-color:#fffc;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);padding:20px 24px;border-bottom:1px solid var(--border-color);border-radius:0 0 20px 20px;margin:0 16px;position:sticky;top:0;z-index:1000;box-shadow:0 2px 8px #6366f10d}.header-content{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.logo{display:flex;align-items:center;color:var(--accent-color);font-weight:600}.logo h1{font-size:22px;margin:0 0 0 10px;font-weight:600;color:var(--accent-color)}.cloud-status{font-size:13px;color:var(--text-secondary);background-color:var(--category-active-bg);padding:4px 10px;border-radius:8px;display:flex;align-items:center;gap:5px;font-weight:500}.categories-nav{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:20px;padding-bottom:10px;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;-ms-overflow-style:none}.categories-nav::-webkit-scrollbar{display:none}.category-button{display:flex;align-items:center;gap:6px;padding:10px 18px;background-color:var(--secondary-bg);color:var(--text-secondary);border:1px solid var(--border-color);border-radius:10px;cursor:pointer;font-size:14px;font-weight:500;transition:background-color .3s ease,color .3s ease,border-color .3s ease,transform .2s ease;white-space:nowrap}.category-button:hover{background-color:var(--button-hover-bg);color:var(--accent-color);border-color:var(--accent-color);transform:translateY(-2px)}.category-button.active{background-color:var(--category-active-bg);color:var(--category-active-text);border-color:var(--accent-color);font-weight:600;transform:translateY(-2px)}.category-button svg{stroke:var(--light-blue-accent)}.category-button.active svg{stroke:var(--category-active-text)}.search-container{position:relative;width:100%;max-width:500px;margin:0 auto}.search-input{width:100%;padding:12px 45px 12px 16px;border:1px solid var(--border-color);border-radius:12px;font-size:15px;background-color:var(--secondary-bg);color:var(--text-primary);box-shadow:inset 0 2px 4px #0000000a;transition:border-color .3s ease,box-shadow .3s ease}.search-input:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 3px #60a5f94d}.search-icon{position:absolute;right:12px;top:50%;transform:translateY(-50%);color:var(--light-blue-accent);pointer-events:none}.main-content{flex:1;padding:30px 16px;max-width:1200px;margin:0 auto;width:100%}.phrases-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px}.phrase-card{background-color:var(--secondary-bg);border-radius:16px;padding:24px;box-shadow:var(--card-shadow);transition:transform .3s ease,box-shadow .3s ease;display:flex;flex-direction:column;border:1px solid var(--border-color)}.phrase-card:hover{transform:translateY(-6px);box-shadow:0 8px 20px #2563eb26}.card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:12px}.card-title{margin:0 10px 0 0;font-size:19px;font-weight:600;color:var(--accent-color);flex-grow:1}.card-category{background-color:var(--category-active-bg);color:var(--category-active-text);padding:5px 12px;border-radius:8px;font-size:12px;font-weight:600;white-space:nowrap}.card-description{font-size:14px;color:var(--text-secondary);margin-bottom:18px;flex-grow:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.card-details{font-size:13px;color:var(--text-secondary);margin-bottom:18px;border-top:1px solid var(--border-color);padding-top:18px}.detail-item{margin-bottom:10px}.detail-item strong{color:var(--text-primary);font-weight:500}.card-footer{display:flex;justify-content:flex-end;align-items:center;gap:12px;margin-top:auto;padding-top:12px;border-top:1px solid var(--border-color)}.copy-button,.save-button{background:none;border:none;cursor:pointer;color:var(--light-blue-accent);display:flex;align-items:center;gap:5px;padding:8px 12px;border-radius:8px;transition:background-color .2s ease,color .2s ease}.copy-button:hover,.save-button:hover{background-color:var(--button-hover-bg);color:var(--accent-hover-color)}.copy-button{position:relative}.copied-tooltip{position:absolute;bottom:120%;left:50%;transform:translate(-50%);background-color:var(--copied-tooltip-bg);color:var(--copied-tooltip-color);padding:5px 10px;border-radius:6px;font-size:11px;white-space:nowrap;opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:10}.copy-button:hover .copied-tooltip,.copy-button:active .copied-tooltip{opacity:1;visibility:visible}.no-results{grid-column:1 / -1;text-align:center;padding:40px;color:var(--text-secondary);font-size:16px}.no-results p{margin-bottom:10px}.app-footer{background:#ffffffb3;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);padding:20px 24px;text-align:center;font-size:13px;color:var(--text-secondary);border-top:1px solid var(--border-color);border-radius:20px 20px 0 0;margin:30px 16px 0}.app-footer p{margin:4px 0}@media (max-width: 992px){.app-header{margin:0 12px}.main-content{padding:24px 12px}.app-footer{margin:24px 12px 0}}@media (max-width: 768px){.app-header{padding:16px;margin:0 8px;border-radius:0 0 16px 16px}.header-content{flex-direction:column;align-items:flex-start;margin-bottom:12px}.logo h1{font-size:20px}.cloud-status{margin-top:8px;align-self:flex-end}.categories-nav{margin-bottom:16px;padding-bottom:8px;gap:8px}.category-button{padding:8px 12px;font-size:13px}.search-container{max-width:100%}.search-input{padding:10px 40px 10px 12px;border-radius:10px}.main-content{padding:16px 8px}.phrases-grid{grid-template-columns:1fr;gap:16px}.phrase-card{padding:16px;border-radius:12px}.card-title{font-size:17px}.card-description{font-size:13px;-webkit-line-clamp:2}.card-details{font-size:12px}.card-footer{justify-content:center;gap:10px}.copy-button,.save-button{padding:6px 10px}.app-footer{padding:16px;margin:16px 8px 0;border-radius:16px 16px 0 0}}@media (max-width: 480px){.logo h1{font-size:18px}.logo svg{width:24px;height:24px}.category-button span{display:none}.category-button{padding:8px}.card-title{font-size:16px}.card-category{font-size:11px;padding:3px 8px}.card-description{font-size:13px}.detail-item{font-size:12px}}