.logo,.nav-links,.nav-links a,body{display:flex}.header-container,main{max-width:1200px;margin:0 auto}.birthday-text,.editor h3,.flip-card-inner,.selected-emojis,footer{text-align:center}.footer-links a,.logo,.nav-links a,.social-icons a{text-decoration:none}.confetti,.footer-links a:hover,.nav-links a:hover{opacity:.8}:root{--primary-color:#e91e63;--secondary-color:#4caf50;--accent-color:#ffeb3b;--text-color:#333;--light-bg:#ffebee;--card-shadow:0 10px 25px rgba(0,0,0,0.3);--success-color:#4caf50;--error-color:#f44336}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Poppins,'Noto Sans Devanagari',sans-serif;background-color:var(--light-bg);color:var(--text-color);line-height:1.6;min-height:100vh;flex-direction:column}.main-header{background:linear-gradient(135deg,#6a11cb 0,#2575fc 100%);color:#fff;padding:1rem 0;box-shadow:0 2px 10px rgba(0,0,0,.1);position:sticky;top:0;z-index:1000}.header-container{display:flex;justify-content:space-between;align-items:center;padding:0 20px}.logo{color:#fff;font-weight:700;font-size:1.5rem;align-items:center;gap:10px}.logo i{color:var(--accent-color)}.nav-links{list-style:none;gap:20px}.nav-links a{color:#fff;font-weight:500;align-items:center;gap:5px;transition:opacity .3s}.mobile-menu-btn{display:none;background:0 0;border:none;color:#fff;font-size:1.5rem;cursor:pointer}main{flex:1;width:100%;padding:20px}.card-container{display:flex;justify-content:center;margin:2rem 0}.flip-card{background-color:transparent;width:100%;max-width:500px;height:600px;perspective:1000px;cursor:pointer}.flip-card-inner{position:relative;width:100%;height:100%;transition:transform .8s cubic-bezier(.175, .885, .32, 1.275);transform-style:preserve-3d;box-shadow:var(--card-shadow);border-radius:15px}.flip-card-back,.flip-card.flipped .flip-card-inner,.flip-card:hover .flip-card-inner{transform:rotateY(180deg)}.flip-card-back,.flip-card-front{position:absolute;width:100%;height:100%;backface-visibility:hidden;border-radius:15px;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:30px;box-sizing:border-box}.confetti,.random-emoji,.success-message{position:fixed;z-index:1000}.flip-card-front{background:linear-gradient(135deg,#ff9a9e 0,#fad0c4 100%);color:#d32f2f;font-size:2rem;font-weight:700;text-shadow:2px 2px 4px rgba(0,0,0,.2);border:5px solid var(--accent-color);overflow:hidden}.flip-card-back{background:linear-gradient(135deg,#a1c4fd 0,#c2e9fb 100%);color:var(--text-color);font-size:1.3rem;line-height:1.8;box-shadow:inset 0 0 20px rgba(0,0,0,.1);border:5px solid var(--secondary-color);overflow-y:auto}.profile-image{width:150px;height:150px;border-radius:50%;object-fit:cover;border:5px solid #fff;box-shadow:0 5px 15px rgba(0,0,0,.2);margin-bottom:20px;background-color:#eee}.editor,.image-upload-section,.share-section{background:#fff;box-shadow:var(--card-shadow)}.social-icons{display:flex;justify-content:center;gap:15px;margin-top:20px;flex-wrap:wrap}.social-icons a{color:var(--text-color);font-size:24px;transition:.3s;display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.3)}.birthday-text,.editor h3,.social-icons a:hover{color:var(--primary-color)}.social-icons a:hover{transform:scale(1.2);background:rgba(255,255,255,.5)}.birthday-text{font-size:1.8rem;font-weight:700;text-shadow:1px 1px 3px rgba(0,0,0,.3);margin:15px 0}.editor-container{max-width:800px;margin:0 auto}.editor{padding:2rem;border-radius:10px;margin-bottom:2rem}.editor h3{margin-bottom:1.2rem;font-size:1.2rem;display:flex;align-items:center;justify-content:center;gap:10px}.form-group label,button{font-weight:600;align-items:center;gap:8px}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;color:var(--text-color);display:flex}.form-group input,.form-group textarea{width:100%;padding:12px;border:2px solid #ddd;border-radius:6px;font-family:inherit;font-size:1rem;transition:border-color .3s}.form-group input:focus,.form-group textarea:focus{border-color:var(--primary-color);outline:0;box-shadow:0 0 0 3px rgba(233,30,99,.1)}.form-group textarea{min-height:120px;resize:vertical}.social-inputs{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}.button-group{display:flex;flex-wrap:wrap;gap:15px;justify-content:center;margin-top:2rem}button{padding:12px 24px;border:none;border-radius:6px;font-size:1rem;cursor:pointer;transition:.3s;display:flex;justify-content:center;min-width:140px}button.primary{background-color:var(--primary-color);color:#fff}button.primary:hover{background-color:#d81b60;transform:translateY(-2px);box-shadow:0 4px 12px rgba(233,30,99,.3)}button.secondary{background-color:var(--secondary-color);color:#fff}button.secondary:hover{background-color:#43a047;transform:translateY(-2px);box-shadow:0 4px 12px rgba(76,175,80,.3)}button.accent{background-color:var(--accent-color);color:var(--text-color)}button.accent:hover{background-color:#fdd835;transform:translateY(-2px);box-shadow:0 4px 12px rgba(255,235,59,.3)}.image-upload-section,.share-section{padding:1.5rem;border-radius:10px;margin-bottom:2rem;text-align:center}.upload-btn{background:linear-gradient(135deg,#00b09b 0,#96c93d 100%);color:#fff;padding:12px 30px;border-radius:50px;font-size:1.1rem;min-width:auto;display:inline-flex}.upload-btn:hover{transform:scale(1.05);box-shadow:0 5px 20px rgba(0,176,155,.4)}.upload-progress{margin-top:1rem;padding:1rem;display:none}.progress-bar{width:100%;height:20px;background:#e0e0e0;border-radius:10px;overflow:hidden;margin-bottom:10px}.progress-fill{height:100%;background:linear-gradient(90deg,#00b09b,#96c93d);width:0%;transition:width .3s}.emoji-section{background:#fff;padding:1.5rem;border-radius:10px;box-shadow:var(--card-shadow);margin-bottom:2rem}.emoji-section h4{color:var(--primary-color);margin-bottom:1rem;display:flex;align-items:center;gap:10px}.emoji-selector{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:1rem 0}.emoji-option{font-size:2rem;cursor:pointer;padding:10px;border-radius:10px;border:2px solid transparent;transition:.3s;user-select:none;background:#f5f5f5}.emoji-option:hover{transform:scale(1.2);background:var(--light-bg)}.emoji-option.selected{border-color:var(--primary-color);background:var(--light-bg);transform:scale(1.1)}.selected-emojis{min-height:50px;padding:15px;background:var(--light-bg);border-radius:8px;margin-top:1rem;font-size:1.5rem;letter-spacing:5px;display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:10px}.share-btn{background:linear-gradient(135deg,#6a11cb 0,#2575fc 100%);color:#fff;padding:12px 30px;border-radius:50px;font-size:1.1rem;min-width:auto;display:inline-flex}.share-btn:hover{transform:scale(1.05);box-shadow:0 5px 20px rgba(106,17,203,.4)}.generated-url{margin-top:1.5rem;padding:1rem;background:#f8f9fa;border-radius:8px;border:2px dashed #6a11cb;animation:.5s fadeIn}@keyframes fadeIn{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.url-display{display:flex;gap:10px;margin-top:10px}.url-display input{flex:1;padding:10px 15px;border:2px solid #ddd;border-radius:6px;font-family:'Courier New',monospace;background:#fff;font-size:.9rem}.url-display button{padding:10px 20px;min-width:auto}.copy-btn{background:var(--secondary-color);color:#fff}.open-btn{background:var(--primary-color);color:#fff}.url-note{margin-top:10px;font-size:.9rem;color:#666;font-style:italic}.confetti{width:10px;height:10px;background-color:red;animation:5s linear forwards fall;pointer-events:none}@keyframes fall{to{transform:translateY(100vh) rotate(360deg);opacity:0}}.random-emoji{font-size:3rem;animation:2s ease-out forwards floatEmoji;pointer-events:none;text-shadow:2px 2px 4px rgba(0,0,0,.3)}@keyframes floatEmoji{0%{opacity:0;transform:translateY(0) scale(.5)}20%{opacity:1;transform:translateY(-20px) scale(1.2)}80%{opacity:1;transform:translateY(-100px) scale(1)}100%{opacity:0;transform:translateY(-150px) scale(.5)}}footer{background:linear-gradient(135deg,#434343 0,#000 100%);color:#fff;padding:2rem 0;margin-top:auto}.footer-content{max-width:1200px;margin:0 auto;padding:0 20px}.footer-links{display:flex;justify-content:center;flex-wrap:wrap;gap:20px;margin-bottom:1.5rem}.footer-links a{color:#fff;transition:opacity .3s;display:flex;align-items:center;gap:5px}.footer-text{margin-bottom:1rem;opacity:.8;font-size:.9rem}.footer-text p{margin:5px 0}.error-message{color:var(--error-color);background-color:#ffebee;padding:10px;border-radius:4px;margin-top:5px;font-size:.9rem;display:none;animation:.5s shake}@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}.has-error{border-color:var(--error-color)!important}.success-message{bottom:20px;left:50%;transform:translateX(-50%);background-color:var(--success-color);color:#fff;padding:12px 24px;border-radius:6px;box-shadow:0 2px 10px rgba(0,0,0,.2);animation:.3s slideIn,.3s 2.7s forwards slideOut;display:flex;align-items:center;gap:10px}@keyframes slideIn{from{opacity:0;transform:translateX(-50%) translateY(20px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}@keyframes slideOut{from{opacity:1;transform:translateX(-50%) translateY(0)}to{opacity:0;transform:translateX(-50%) translateY(20px)}}.loading{position:relative;overflow:hidden}.loading::after{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.5),transparent);animation:1.5s infinite loading}@keyframes loading{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}@media (max-width:768px){.nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:linear-gradient(135deg,#6a11cb 0,#2575fc 100%);flex-direction:column;padding:1rem;gap:15px;box-shadow:0 5px 10px rgba(0,0,0,.1)}.nav-links.active{display:flex}.mobile-menu-btn{display:block}.flip-card{height:500px}.flip-card-front{font-size:1.5rem;padding:20px}.flip-card-back{font-size:1.1rem;padding:20px}.profile-image{width:120px;height:120px}.birthday-text{font-size:1.5rem}.editor{padding:1.5rem}.button-group,.url-display{flex-direction:column}.url-display input,button{width:100%}.social-inputs{grid-template-columns:1fr}}@media (max-width:480px){.flip-card{height:400px}.flip-card-front,.selected-emojis{font-size:1.2rem}.flip-card-back{font-size:1rem}.profile-image{width:100px;height:100px}.birthday-text{font-size:1.3rem}.emoji-option{font-size:1.5rem;padding:8px}}