:root{--bg-color:#0b0613;--text-color:#f1f1f1;--heading-color:#a076f9;--card-bg:rgba(36, 22, 47, 0.65);--btn-bg:linear-gradient(135deg, #a076f9, #ff6ec7);--btn-glow:0 0 10px rgba(160, 118, 249, 0.4),0 0 20px rgba(255, 110, 199, 0.3);--nav-bg:rgba(18, 13, 24, 0.85);--input-bg:#1a1224;--section-dark:#0e0812;--primary:#a076f9;--highlight:#ff6ec7}body.light-mode{--bg-color:#f4f6f9;--text-color:#1a1a1a;--heading-color:#6a1b9a;--card-bg:#ffffff;--btn-bg:linear-gradient(135deg, #6a1b9a, #ab47bc);--btn-glow:0 0 10px rgba(106, 27, 154, 0.15),0 0 20px rgba(171, 71, 188, 0.1);--nav-bg:#ffffff;--input-bg:#f9f9f9;--section-dark:#ffffff}body{font-family:Poppins,sans-serif;background-color:var(--bg-color);color:var(--text-color);margin:0;display:flex;flex-direction:column;min-height:100vh;overflow-x:hidden;animation:fadeInPage 1s ease}@keyframes fadeInPage{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}nav{height:80px;background:var(--nav-bg);backdrop-filter:blur(20px);display:flex;align-items:center;justify-content:space-between;padding:0 2rem;border-bottom:1px solid rgba(255,255,255,.08);box-shadow:0 2px 10px rgba(0,0,0,.3)}.navbar-brand{font-size:1.8rem;font-weight:700;color:var(--text-color);transition:color .3s ease}.theme-toggle{font-size:1.5rem;color:var(--heading-color);cursor:pointer;transition:transform .3s ease}.theme-toggle:hover{transform:scale(1.2)}main{flex:1;display:flex;align-items:center;justify-content:center;padding:60px 15px}.form-container{background:var(--card-bg);padding:40px 30px;border-radius:18px;border:1px solid rgba(255,255,255,.1);max-width:480px;width:100%;box-shadow:var(--btn-glow);backdrop-filter:blur(25px);animation:slideIn 1s ease}@keyframes slideIn{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}h2{font-size:2.4rem;font-weight:800;text-align:center;margin-bottom:10px;background:var(--btn-bg);-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:1px;animation:fadeInHeading 1.2s ease-in-out}.signup-description{font-size:.95rem;text-align:center;color:var(--text-color);margin-bottom:20px}@keyframes fadeInHeading{from{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.input-group-text{background-color:var(--input-bg);color:var(--text-color);border:none;padding:.75rem .85rem;font-size:1rem;border-radius:10px 0 0 10px;height:48px}.input-group .form-control{border-radius:0 10px 10px 0;margin-bottom:0;height:48px}.input-group-text i{line-height:1}.form-control{background-color:var(--input-bg);color:var(--text-color);border:none;border-radius:10px;padding:12px;font-size:.95rem;margin-bottom:20px;box-shadow:inset 0 0 0 1px #3d2e50;transition:all .2s ease-in-out}.form-control:focus{background-color:#2c1c3f;box-shadow:0 0 0 2px #a076f9,0 0 15px rgba(127,66,245,.3);transform:scale(1.02)}.btn-primary{background:var(--btn-bg);border:none;font-weight:600;font-size:1rem;padding:12px;border-radius:30px;width:100%;box-shadow:var(--btn-glow);color:#fff;transition:all .3s ease-in-out}.btn-primary:hover{transform:scale(1.05);filter:brightness(1.1);box-shadow:0 0 20px rgba(255,110,199,.5),0 0 10px rgba(160,118,249,.5)}.error{font-size:.8rem;color:#ff4d4d;margin-top:4px;margin-bottom:10px;padding-left:10px}.form-container p{text-align:center;margin-top:20px;font-size:.9rem}.form-container a{color:var(--highlight);text-decoration:none}footer{background:var(--section-dark);text-align:center;padding:15px 0;color:#aaa;font-size:.9rem;border-top:2px solid var(--heading-color)}footer a{color:var(--primary);text-decoration:none}.modal-content{background-color:var(--card-bg);color:var(--text-color)}.modal-header{background:var(--btn-bg);border-bottom:none}@media (max-width:576px){.form-container{padding:30px 20px}nav .navbar-brand{font-size:1.4rem}}.animate-pulse{animation:pulse 2.5s infinite ease-in-out}@keyframes pulse{0%{transform:scale(1);opacity:1}50%{transform:scale(1.1);opacity:.85}100%{transform:scale(1);opacity:1}}::placeholder{color:#ccc;opacity:1}body.light-mode ::placeholder{color:#777}body:not(.light-mode) input.form-control::placeholder{color:#ccc!important;opacity:1}body.light-mode input.form-control::placeholder{color:#777!important}body.light-mode footer{background:#f1f1f1;border-top:2px solid #ab47bc;color:#555}body.light-mode footer a{color:#6a1b9a}body:not(.light-mode) input.form-control,body:not(.light-mode) textarea.form-control{color:var(--text-color)!important;background-color:var(--input-bg)!important}body.light-mode input.form-control,body.light-mode textarea.form-control{color:var(--text-color)!important;background-color:var(--input-bg)!important}input.form-control,textarea.form-control{caret-color:var(--highlight)}#loader .modal-dialog{display:flex;justify-content:center;align-items:center;height:100vh}@media (max-width:576px){.form-container{padding:30px 20px;max-width:100%;width:90%;margin:0 auto}nav .navbar-brand{font-size:1.4rem}.btn-primary{font-size:.9rem;padding:10px 20px}}#messageModal .modal-content,#otpModal .modal-content,#successmodal .modal-content{background-color:#2c1c3f;color:#f1f1f1}body.light-mode #messageModal .modal-content,body.light-mode #otpModal .modal-content,body.light-mode #successmodal .modal-content{background-color:#fff!important;color:#212121!important;border:1px solid #ddd!important;box-shadow:0 0 20px rgba(0,0,0,.1)}.modal-content{transition:background-color .3s ease,color .3s ease}body.light-mode .btn.btn-primary{background-color:#212121!important;border-color:#212121!important;color:#fff!important}body.light-mode .btn.btn-primary:disabled{background-color:#555!important;border-color:#555!important;color:#ccc!important;opacity:1!important}.form-container p{text-align:center;margin-top:20px;font-size:.9rem}.form-container a{color:var(--highlight);text-decoration:none}body:not(.light-mode) input.form-control:-webkit-autofill,body:not(.light-mode) input.form-control:-webkit-autofill:active,body:not(.light-mode) input.form-control:-webkit-autofill:focus,body:not(.light-mode) input.form-control:-webkit-autofill:hover{-webkit-box-shadow:0 0 0 1000px var(--input-bg) inset!important;-webkit-text-fill-color:var(--text-color)!important;transition:background-color 5000s ease-in-out 0s}body:not(.light-mode) input.form-control:-webkit-autofill,body:not(.light-mode) input.form-control:-webkit-autofill:active,body:not(.light-mode) input.form-control:-webkit-autofill:focus,body:not(.light-mode) input.form-control:-webkit-autofill:hover{-webkit-box-shadow:0 0 0 1000px var(--input-bg) inset!important;-webkit-text-fill-color:var(--text-color)!important;transition:background-color 5000s ease-in-out 0s}body.light-mode input.form-control:-webkit-autofill,body.light-mode input.form-control:-webkit-autofill:active,body.light-mode input.form-control:-webkit-autofill:focus,body.light-mode input.form-control:-webkit-autofill:hover{-webkit-box-shadow:0 0 0 1000px var(--input-bg) inset!important;-webkit-text-fill-color:var(--text-color)!important;transition:background-color 5000s ease-in-out 0s}