:root {
            --primary-color: #0d6efd;
            --primary-dark: #0b5ed7;
            --primary-light: #3d8bfd;
            --secondary-color: #121212;
            --bg-color: #000000;
            --card-bg: #121212;
            --text-color: #ffffff;
            --text-muted: #a0a0a0;
            --danger: #dc3545;
            --success: #28a745;
            --border-radius: 12px;
            --input-bg: #1e1e1e;
            --box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Inter', sans-serif;
        }

        body {
            background-color: var(--bg-color);
            color: var(--text-color);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background-image: linear-gradient(to bottom right, #000000, #0d0d0d, #1a1a1a);
            overflow-x: hidden;
        }

        .container {
            width: 100%;
            min-height: 100vh;
            display: flex;
            align-items: stretch;
        }

        /* Left side content */
        .brand-section {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            background-color: var(--bg-color);
            padding: 40px;
            position: relative;
            overflow: hidden;
            flex: 1;
        }

        .brand-content {
            max-width: 500px;
            z-index: 2;
            text-align: center;
        }

        .brand-logo-large {
            width: 180px;
            height: auto;
            margin-bottom: 30px;
            animation: floatLogo 6s ease-in-out infinite;
        }

        .brand-title {
            font-size: 42px;
            font-weight: 700;
            margin-bottom: 20px;
            background: linear-gradient(90deg, #ffffff, var(--primary-light));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .brand-description {
            font-size: 18px;
            line-height: 1.6;
            color: var(--text-muted);
            margin-bottom: 30px;
        }

        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
            margin-top: 20px;
            text-align: left;
        }

        .feature-item {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .feature-icon {
            background-color: rgba(13, 110, 253, 0.1);
            border-radius: 50%;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-color);
        }

        .feature-text {
            font-size: 16px;
            color: var(--text-muted);
        }

        /* Animated background elements */
        .animated-bg {
            position: absolute;
            inset: 0;
            z-index: 1;
            opacity: 0.5;
        }

        .circle {
            position: absolute;
            border-radius: 50%;
            background: linear-gradient(to right, var(--primary-dark), var(--primary-light));
            filter: blur(60px);
        }

        .circle-1 {
            width: 300px;
            height: 300px;
            top: -50px;
            left: -100px;
            animation: move1 20s ease-in-out infinite alternate;
        }

        .circle-2 {
            width: 200px;
            height: 200px;
            bottom: 50px;
            right: -50px;
            animation: move2 15s ease-in-out infinite alternate;
        }

        .grid {
            position: absolute;
            inset: 0;
            background-image: 
                linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 20px 20px;
        }

        /* Right side - Auth form */
        .auth-container {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 30px;
            width: 100%;
            flex: 1;
        }

        .auth-box {
            background-color: var(--card-bg);
            border-radius: var(--border-radius);
            padding: 40px;
            width: 100%;
            max-width: 450px;
            box-shadow: var(--box-shadow);
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.05);
            animation: fadeIn 0.6s ease-out;
        }

        .login-header {
            text-align: center;
            margin-bottom: 35px;
            position: relative;
        }

        .heading {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-color);
        }

        .sub-heading {
            font-size: 16px;
            font-weight: 400;
            color: var(--text-muted);
            margin-bottom: 10px;
        }

        .auth-form {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .input-group {
            position: relative;
            display: flex;
            align-items: center;
            background-color: var(--input-bg);
            border-radius: 10px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.05);
            transition: all 0.3s ease;
        }

        .input-group:focus-within {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 2px rgba(13, 110, 253, 0.15);
            transform: translateY(-2px);
        }

        .input-group span {
            padding: 15px;
            color: var(--text-muted);
            font-size: 22px;
        }

        .input-group input {
            flex: 1;
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-color);
            font-size: 16px;
            padding: 18px 18px 18px 0;
        }

        .input-group input::placeholder {
            color: var(--text-muted);
        }

        .form-actions {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 5px;
        }

        .remember-me {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-muted);
            font-size: 14px;
            cursor: pointer;
            transition: color 0.3s ease;
        }

        .remember-me:hover {
            color: var(--text-color);
        }

        .remember-me input {
            accent-color: var(--primary-color);
            cursor: pointer;
            width: 16px;
            height: 16px;
        }

        .forgot-link {
            color: var(--primary-light);
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            transition: color 0.2s ease;
            position: relative;
        }

        .forgot-link:hover {
            color: var(--primary-color);
        }

        .forgot-link::after {
            content: '';
            position: absolute;
            width: 0;
            height: 1px;
            bottom: -2px;
            left: 0;
            background-color: var(--primary-color);
            transition: width 0.3s ease;
        }

        .forgot-link:hover::after {
            width: 100%;
        }

        .auth-button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 18px;
            border-radius: 10px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-top: 15px;
            position: relative;
            overflow: hidden;
        }

        .auth-button::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: 0.5s;
        }

        .auth-button:hover {
            background-color: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(13, 110, 253, 0.3);
        }

        .auth-button:hover::before {
            left: 100%;
        }

        .auth-button:active {
            transform: translateY(-1px);
            box-shadow: 0 4px 15px rgba(13, 110, 253, 0.3);
        }

        .auth-footer {
            text-align: center;
            margin-top: 30px;
            color: var(--text-muted);
            font-size: 15px;
            position: relative;
        }

        .auth-footer a {
            color: var(--primary-light);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.2s ease;
            position: relative;
        }

        .auth-footer a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 1px;
            bottom: -2px;
            left: 0;
            background-color: var(--primary-color);
            transition: width 0.3s ease;
        }

        .auth-footer a:hover::after {
            width: 100%;
        }

        .auth-footer a:hover {
            color: var(--primary-color);
        }

        .alert {
            padding: 15px;
            border-radius: 10px;
            margin-bottom: 25px;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 12px;
            animation: slideDown 0.4s ease-out;
        }

        .alert-error {
            background-color: rgba(220, 53, 69, 0.1);
            color: #ff6b6b;
            border-left: 4px solid var(--danger);
        }

        .alert-success {
            background-color: rgba(40, 167, 69, 0.1);
            color: #2ecc71;
            border-left: 4px solid var(--success);
        }
        
        .brand-logo {
            display: block;
            width: 80px;
            height: auto;
            margin: 0 auto 20px;
            animation: pulse 2s infinite ease-in-out;
        }
        
        .brand-logo img {
            width: 100%;
            height: auto;
            object-fit: contain;
        }

        /* Dividers */
        .divider {
            display: flex;
            align-items: center;
            text-align: center;
            margin: 15px 0;
            color: var(--text-muted);
            font-size: 14px;
        }

        .divider::before,
        .divider::after {
            content: '';
            flex: 1;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .divider::before {
            margin-right: 10px;
        }

        .divider::after {
            margin-left: 10px;
        }

        /* Social login buttons */
        .social-login {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }

        .social-btn {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px;
            border-radius: 8px;
            background-color: var(--input-bg);
            border: 1px solid rgba(255, 255, 255, 0.05);
            color: var(--text-color);
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .social-btn:hover {
            background-color: rgba(255, 255, 255, 0.05);
            border-color: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }

        /* Animations */
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes pulse {
            0% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.05);
            }
            100% {
                transform: scale(1);
            }
        }

        @keyframes floatLogo {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-20px);
            }
        }

        @keyframes move1 {
            0% {
                transform: translate(0, 0);
            }
            100% {
                transform: translate(100px, 50px);
            }
        }

        @keyframes move2 {
            0% {
                transform: translate(0, 0);
            }
            100% {
                transform: translate(-50px, -100px);
            }
        }

        /* Responsive styles */
        @media (min-width: 992px) {
            .brand-section {
                display: flex;
            }
        }

        @media (max-width: 991px) {
            .container {
                flex-direction: column;
            }
            
            .auth-container {
                padding: 30px 20px;
            }
            
            .auth-box {
                max-width: 500px;
                padding: 30px;
            }
        }

        @media (max-width: 600px) {
            .auth-box {
                padding: 25px 20px;
                border-radius: 10px;
            }

            .heading {
                font-size: 28px;
            }
            
            .auth-button {
                padding: 16px;
            }
            
            .brand-logo {
                width: 70px;
            }
            
            .input-group input {
                padding: 16px 16px 16px 0;
            }
            
            .input-group span {
                padding: 13px;
            }
        }

        @media (max-width: 400px) {
            .form-actions {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            
            .forgot-link {
                align-self: flex-end;
            }
            
            .social-login {
                flex-direction: column;
            }
        }