:root {
            --primary-blue: #0C2340;
            --accent-orange: #FF8C00;
            --medium-bg: #F5F5F5;
            --dark-grey-text: #333;
            --white: #fff;
        }

        body {
            font-family: 'Poppins', sans-serif;
            background: var(--medium-bg);
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            padding: 20px;
            color: var(--dark-grey-text);
        }

        .auth-box {
            width: 100%;
            max-width: 430px;
            background: var(--white);
            padding: 35px 30px;
            border-radius: 12px;
            box-shadow: 0 4px 14px rgba(0, 0, 0, .1);
        }

        .auth-box h1 {
            text-align: center;
            font-size: 26px;
            font-weight: 700;
            color: var(--primary-blue);
            margin-bottom: 25px;
        }

        .auth-box input {
            width: 100%;
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 8px;
            margin-bottom: 15px;
            font-size: 14px;
        }

        .auth-box input:focus {
            border-color: var(--primary-blue);
            outline: none;
        }

        .btn-submit {
            width: 100%;
            padding: 12px;
            background: var(--accent-orange);
            border: none;
            border-radius: 8px;
            color: var(--white);
            font-weight: 600;
            cursor: pointer;
            transition: .3s;
        }

        .btn-submit:hover {
            background: #e67e00;
        }