:root {
            --primary: #8a2be2;
            --primary-dark: #6a1cb9;
            --secondary: #121212;
            --accent: #ff6bff;
            --light: #f0e6ff;
            --danger: #ff4d6d;
            --success: #4ade80;
            --warning: #facc15;
        }
        
        ::-webkit-scrollbar {
          width: 8px;
          height: 8px;
        }

        ::-webkit-scrollbar-track {
          background: rgba(30, 30, 30, 0.5);
        }

        ::-webkit-scrollbar-thumb {
          background: linear-gradient(to bottom, #8a2be2, #4b0082);
          border-radius: 4px;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Poppins', sans-serif;
        }
        
        body {
            background: linear-gradient(135deg, var(--secondary), #1a1a2e);
            color: var(--light);
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
            position: relative;
            overflow-x: hidden;
        }
        
        .bubbles {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 0;
            overflow: hidden;
        }
        
        .bubble {
            position: absolute;
            bottom: -100px;
            width: 40px;
            height: 40px;
            background: rgba(138, 43, 226, 0.15);
            border-radius: 50%;
            animation: rise 10s infinite ease-in;
        }
        
        .bubble:nth-child(1) {
            width: 40px;
            height: 40px;
            left: 10%;
            animation-duration: 8s;
        }
        
        .bubble:nth-child(2) {
            width: 20px;
            height: 20px;
            left: 20%;
            animation-duration: 5s;
            animation-delay: 1s;
        }
        
        .bubble:nth-child(3) {
            width: 50px;
            height: 50px;
            left: 35%;
            animation-duration: 7s;
            animation-delay: 2s;
        }
        
        .bubble:nth-child(4) {
            width: 80px;
            height: 80px;
            left: 50%;
            animation-duration: 11s;
            animation-delay: 0s;
        }
        
        .bubble:nth-child(5) {
            width: 35px;
            height: 35px;
            left: 55%;
            animation-duration: 6s;
            animation-delay: 1s;
        }
        
        .bubble:nth-child(6) {
            width: 45px;
            height: 45px;
            left: 65%;
            animation-duration: 8s;
            animation-delay: 3s;
        }
        
        .bubble:nth-child(7) {
            width: 25px;
            height: 25px;
            left: 75%;
            animation-duration: 7s;
            animation-delay: 2s;
        }
        
        .bubble:nth-child(8) {
            width: 80px;
            height: 80px;
            left: 80%;
            animation-duration: 12s;
            animation-delay: 1s;
        }
        
        .bubble:nth-child(9) {
            width: 15px;
            height: 15px;
            left: 70%;
            animation-duration: 5s;
            animation-delay: 1s;
        }
        
        .bubble:nth-child(10) {
            width: 50px;
            height: 50px;
            left: 85%;
            animation-duration: 10s;
            animation-delay: 4s;
        }
        
        @keyframes rise {
            0% {
                bottom: -100px;
                transform: translateX(0);
            }
            50% {
                transform: translateX(100px);
            }
            100% {
                bottom: 1080px;
                transform: translateX(-200px);
            }
        }
        
        .container {
            display: flex;
            width: 100%;
            max-width: 500px;
            height: auto;
            min-height: 650px;
            background: rgba(25, 25, 35, 0.85);
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
            position: relative;
            z-index: 1;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(138, 43, 226, 0.3);
            margin: 20px;
        }
        
        .form-side {
            flex: 1;
            padding: 50px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        
        .form-container {
            width: 100%;
            max-width: 450px;
            margin: 0 auto;
        }
        
        .form-header {
            text-align: center;
            margin-bottom: 20px;
        }
        
        .form-header h2 {
            font-size: 2.2rem;
            color: var(--light);
            margin-bottom: 10px;
            background: linear-gradient(to right, var(--accent), var(--primary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        
        .form-header p {
            color: #bbb;
            font-size: 1rem;
        }
        
        .form-group {
            margin-bottom: 20px;
            position: relative;
        }
        
        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
            color: var(--light);
        }
        
        .input-with-icon {
            position: relative;
        }
        
        .input-icon {
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--primary);
        }
        
        .form-control {
            width: 100%;
            padding: 10px 15px 15px 45px;
            background: rgba(40, 40, 50, 0.7);
            border: 2px solid rgba(138, 43, 226, 0.3);
            border-radius: 12px;
            color: var(--light);
            font-size: 1rem;
            transition: all 0.3s ease;
            outline: none;
        }
        
        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(138, 43, 226, 0.3);
        }
        
        .password-toggle {
            position: absolute;
            right: 15px;
            top: 50%;
            transform: translateY(-50%);
            background: none;
            border: none;
            color: #aaa;
            cursor: pointer;
        }
        
        .password-toggle:hover {
            color: var(--primary);
        }
        
        .password-strength {
            margin-top: 8px;
            height: 6px;
            border-radius: 3px;
            background: #333;
            overflow: hidden;
        }
        
        .password-strength-meter {
            height: 100%;
            width: 0;
            transition: width 0.3s ease;
        }
        
        .strength-0 { width: 20%; background: var(--danger); }
        .strength-1 { width: 40%; background: #ff9f1c; }
        .strength-2 { width: 60%; background: var(--warning); }
        .strength-3 { width: 80%; background: #4ade80; }
        .strength-4 { width: 100%; background: var(--success); }
        
        .strength-text {
            font-size: 0.85rem;
            margin-top: 5px;
            text-align: right;
        }
        
        .error-message {
            color: var(--danger);
            font-size: 0.9rem;
            margin-top: 5px;
            display: none;
        }
        
        a {
            text-decoration: none;
        }

        .btn {
            width: 100%;
            padding: 15px;
            border: none;
            border-radius: 12px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        
        .btn-primary {
            background: linear-gradient(to right, var(--primary), var(--primary-dark));
            color: white;
            box-shadow: 0 5px 15px rgba(138, 43, 226, 0.4);
        }
        
        .btn-primary:hover {
            background: linear-gradient(to right, var(--primary-dark), var(--primary));
            box-shadow: 0 8px 20px rgba(138, 43, 226, 0.6);
            transform: translateY(-2px);
        }
        
        .btn-google {
            background: rgba(40, 40, 50, 0.7);
            color: #ddd;
            border: 2px solid rgba(138, 43, 226, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            margin-top: 15px;
        }
        
        .btn-google:hover {
            background: rgba(50, 50, 60, 0.9);
            border-color: var(--primary);
        }
        
        .form-footer {
            text-align: center;
            margin-top: 25px;
            color: #bbb;
            font-size: 0.95rem;
        }
        
        .form-footer a {
            color: var(--accent);
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        
        .form-footer a:hover {
            color: var(--primary);
            text-decoration: underline;
        }
        
        .form-switch {
            display: none;
        }
        
        @media (max-width: 992px) {
            .container {
                flex-direction: column;
                height: auto;
            }
            
            .brand-side {
                padding: 30px 20px;
            }
            
            .form-side {
                padding: 40px 30px;
            }
        }
        
        @media (max-width: 576px) {
            body {
                padding: 10px;
            }
            
            .container {
                margin: 10px;
            }
            
            .form-side {
                padding: 30px 20px;
            }
        }
        
        .form-container {
            transition: transform 0.5s ease, opacity 0.5s ease;
        }
        
        .form-container.hidden {
            transform: translateX(100px);
            opacity: 0;
            position: absolute;
            pointer-events: none;
        }
        
        .form-container.visible {
            transform: translateX(0);
            opacity: 1;
        }

        .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 15px;
            background: rgba(40, 40, 50, 0.7);
            color: var(--light);
            border-radius: 10px;
            text-decoration: none;
            font-size: 0.95rem;
            margin-bottom: 10px;
            transition: background 0.3s ease;
            width: fit-content;
        }

        .btn-back:hover {
            background: rgba(50, 50, 60, 0.9);
            color: var(--accent);
        }
        
        .username-requirements {
            font-size: 0.8rem;
            color: #aaa;
            margin-top: 5px;
        }
        .g-recaptcha {
            margin-bottom: 20px;
            display: flex;
            justify-content: center;
        }