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transparent;max-width:650px;margin-left:auto;margin-right:auto}.error-message{color:var(--error-color);background-color:rgba(248,81,73,.1);border-color:rgba(248,81,73,.3)}.info-message-box{color:var(--text-color);background-color:rgba(var(--teal-mid-rgb),.05);border-color:rgba(var(--teal-mid-rgb),.2)}a{color:var(--accent-color);text-decoration:none;font-weight:500}a:hover{text-decoration:underline;color:var(--teal-light)}.modal-overlay{display:none;position:fixed;z-index:1000;left:0;top:0;margin:0;padding:0;width:100vw;height:100vh;background-color:var(--modal-backdrop-color);backdrop-filter:blur(6px);align-items:center;justify-content:center;animation:fadeInModalBg .3s var(--easing-decelerate)forwards;overflow-y:auto}@keyframes fadeInModalBg{from{background-color:transparent;opacity:0}to{background-color:var(--modal-backdrop-color);opacity:1}}@keyframes fadeOutModalBg{from{background-color:var(--modal-backdrop-color);opacity:1}to{background-color:transparent;opacity:0}}.modal-content{background:var(--popover-bg);padding:30px 35px;border:1px solid var(--card-border-color);border-radius:var(--border-radius-large);width:90%;max-width:550px;box-shadow:0 20px 70px rgba(0,0,0,.5);position:relative;opacity:0;animation:slideInModalContent .4s var(--easing-decelerate).05s forwards;text-align:left;margin:auto}@keyframes slideInModalContent{from{opacity:0;transform:translateY(20px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes slideOutModalContent{from{opacity:1;transform:translateY(0)scale(1)}to{opacity:0;transform:translateY(20px)scale(.98)}}.modal-content h3{color:var(--teal-light);margin-bottom:15px;font-size:1.5rem}.modal-content p{margin-bottom:15px;line-height:1.6;color:rgba(240,240,240,.85)}.modal-content p:last-child{margin-bottom:0}.modal-close-btn{position:absolute;top:15px;right:20px;background:0 0;border:none;font-size:2rem;color:rgba(240,240,240,.5);cursor:pointer;padding:5px;line-height:1;transition:color .2s var(--easing-standard),transform .2s var(--easing-standard);z-index:10}.modal-close-btn:hover{color:var(--text-color);transform:scale(1.1)}.api-key-modal-input-container{margin-bottom:10px}.api-key-modal-input-container #apiKeyInput{width:100%;margin-bottom:8px}.api-key-modal-input-container label{font-size:.85rem;color:rgba(240,240,240,.7);display:block;text-align:center;margin-bottom:15px}.modal-content .message-box{text-align:center}.definition-popover{display:none;position:absolute;z-index:1010;background-color:var(--popover-bg);border:1px solid var(--card-border-color);border-radius:var(--border-radius);padding:18px 22px;min-width:280px;max-width:350px;box-shadow:0 10px 40px rgba(0,0,0,.4);opacity:0;transform:translateX(15px)scale(.97);transition:opacity .25s var(--easing-decelerate),transform .25s var(--easing-decelerate);text-align:left}.definition-popover.visible{display:block;opacity:1;transform:translateX(0)scale(1);animation:popoverSlideInRight .25s var(--easing-decelerate)}@keyframes popoverSlideInRight{from{opacity:0;transform:translateX(15px)scale(.97)}to{opacity:1;transform:translateX(0)scale(1)}}.definition-popover.popover-left{transform:translateX(-15px)scale(.97)}.definition-popover.visible.popover-left{animation:popoverSlideInLeft .25s var(--easing-decelerate);transform:translateX(0)scale(1)}@keyframes popoverSlideInLeft{from{opacity:0;transform:translateX(-15px)scale(.97)}to{opacity:1;transform:translateX(0)scale(1)}}.definition-popover::after{content:"";position:absolute;top:50%;left:-9px;transform:translateY(-50%);border-width:9px;border-style:solid;border-color:transparent var(--popover-bg)transparent transparent}.definition-popover.popover-left::after{left:auto;right:-9px;border-color:transparent transparent transparent var(--popover-bg)}#popover-word{color:var(--teal-light);font-size:1.2rem;font-weight:600;margin-bottom:10px;padding-bottom:10px;border-bottom:1px solid rgba(var(--teal-mid-rgb),.2)}#popover-definition{font-size:.95rem;line-height:1.65;color:rgba(240,240,240,.85);min-height:30px}#popover-definition-loader{margin:10px auto;width:24px;height:24px;border-width:3px}#popover-error{margin-top:10px;font-size:.85rem}.copy-notification{display:none;position:fixed;bottom:30px;left:50%;transform:translateX(-50%);background-color:var(--teal-mid);color:var(--bg-color);padding:10px 20px;border-radius:var(--border-radius);font-size:.9rem;font-weight:500;box-shadow:0 4px 15px rgba(var(--teal-mid-rgb),.2);z-index:2000;opacity:0;transition:opacity .3s var(--easing-standard)}.copy-notification.show{display:block;opacity:1;animation:slideUpNotification .3s var(--easing-decelerate)forwards}@keyframes slideUpNotification{from{transform:translateX(-50%)translateY(20px)}to{transform:translateX(-50%)translateY(0)}}@media(max-width:640px){main{padding:15px}h1{font-size:2.2rem}.header-title{gap:8px;margin-bottom:12px}.header-title .info-icon{width:20px;height:20px}.tagline{font-size:.9rem;margin-bottom:25px;max-width:100%}.input-area{flex-direction:column;gap:12px;margin-bottom:25px;max-width:100%}#word-input,#apiKeyInput{width:100%;padding:14px 18px;height:50px;font-size:1rem}#generate-btn{width:100%;height:50px;border-radius:var(--border-radius)}#generate-btn .btn-icon,#generate-btn .loading-btn-icon{width:20px;height:20px}#saveApiKeyBtn{width:100%;height:50px}.results-area{margin-top:25px;min-height:60px;max-width:100%}.results-area h2{font-size:1.15rem;margin-bottom:12px}#synonym-list{padding-left:0}.synonym-item{width:100%;max-width:100%;padding:12px 15px;font-size:.9rem}.synonym-item:hover{transform:translateY(-2px)}.loading-spinner{width:36px;height:36px;margin:25px auto}.message-box{padding:12px 15px;font-size:.9rem;max-width:100%}.modal-overlay{padding:10px}.modal-content{padding:25px 20px;width:100%;max-width:100%;margin:auto 0}.modal-content h3{font-size:1.3rem}.modal-content p{font-size:.9rem;line-height:1.55}.modal-close-btn{top:10px;right:10px;font-size:1.8rem}.definition-popover{padding:14px 18px;min-width:0;width:calc(100vw - 20px);max-width:calc(100vw - 20px);box-sizing:border-box}#popover-word{font-size:1.05rem}#popover-definition{font-size:.85rem;line-height:1.6}#popover-definition-loader{width:20px;height:20px;border-width:2px}.copy-notification{bottom:20px;padding:8px 15px;font-size:.85rem;width:calc(100% - 30px);max-width:300px;box-sizing:border-box}}